diff options
| author | Jenkins nedprod CI <foo@nowhere> | 2017-09-10 02:52:17 +0300 |
|---|---|---|
| committer | Jenkins nedprod CI <foo@nowhere> | 2017-09-10 02:52:17 +0300 |
| commit | 525ba26147f1386009d4be970df2e296de878176 (patch) | |
| tree | be159609fc7b2eb9f16d678da7e75c16fb857d66 | |
| parent | 29c456437d320dbe7ddbc33e491984af0b145833 (diff) | |
Travis CI updates documentation
66 files changed, 1014 insertions, 818 deletions
diff --git a/classafio__v2__xxx_1_1algorithm_1_1mapped__view-members.html b/classafio__v2__xxx_1_1algorithm_1_1mapped__view-members.html index 3c9676fd..c3332d43 100644 --- a/classafio__v2__xxx_1_1algorithm_1_1mapped__view-members.html +++ b/classafio__v2__xxx_1_1algorithm_1_1mapped__view-members.html @@ -117,7 +117,7 @@ $(document).ready(function(){initNavTree('classafio__v2__xxx_1_1algorithm_1_1map <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1algorithm_1_1mapped__view.html#a347ec4809316c22d4b59b82f2b9b7023">mapped_view</a>()=default</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1algorithm_1_1mapped__view.html">afio_v2_xxx::algorithm::mapped_view< T ></a></td><td class="entry"></td></tr> <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1algorithm_1_1mapped__view.html#af8a986d93d5967962763900af3f99824">mapped_view</a>(size_type length, section_handle::flag _flag=section_handle::flag::readwrite)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1algorithm_1_1mapped__view.html">afio_v2_xxx::algorithm::mapped_view< T ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr> <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1algorithm_1_1mapped__view.html#a9b4829efc1c9b87957203e8313172064">mapped_view</a>(section_handle &sh, size_type length=(size_type)-1, extent_type byteoffset=0, section_handle::flag _flag=section_handle::flag::readwrite)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1algorithm_1_1mapped__view.html">afio_v2_xxx::algorithm::mapped_view< T ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1algorithm_1_1mapped__view.html#a99c21a04a2de47a6c7c24ac7da5ab89b">mapped_view</a>(mapped_file_handle &sh, size_type length=(size_type)-1, extent_type byteoffset=0)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1algorithm_1_1mapped__view.html">afio_v2_xxx::algorithm::mapped_view< T ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1algorithm_1_1mapped__view.html#a2365c26071823a4b01045a88474b918f">mapped_view</a>(mapped_file_handle &mfh, size_type length=(size_type)-1, extent_type byteoffset=0)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1algorithm_1_1mapped__view.html">afio_v2_xxx::algorithm::mapped_view< T ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr> <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1algorithm_1_1mapped__view.html#a7812759f458831ea053fed38ec46dc30">size_type</a> typedef</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1algorithm_1_1mapped__view.html">afio_v2_xxx::algorithm::mapped_view< T ></a></td><td class="entry"></td></tr> </table></div><!-- contents --> </div><!-- doc-content --> diff --git a/classafio__v2__xxx_1_1algorithm_1_1mapped__view.html b/classafio__v2__xxx_1_1algorithm_1_1mapped__view.html index 9a2abc81..ffc5d4a2 100644 --- a/classafio__v2__xxx_1_1algorithm_1_1mapped__view.html +++ b/classafio__v2__xxx_1_1algorithm_1_1mapped__view.html @@ -149,8 +149,8 @@ constexpr </td><td class="memItemRight" valign="bottom"><a class="el" href= <tr class="separator:af8a986d93d5967962763900af3f99824"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a9b4829efc1c9b87957203e8313172064"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1algorithm_1_1mapped__view.html#a9b4829efc1c9b87957203e8313172064">mapped_view</a> (<a class="el" href="classafio__v2__xxx_1_1section__handle.html">section_handle</a> &sh, <a class="el" href="classafio__v2__xxx_1_1algorithm_1_1mapped__view.html#a7812759f458831ea053fed38ec46dc30">size_type</a> <a class="el" href="namespaceafio__v2__xxx.html#afe66c5875c48c8bd172901a1159ccbdc">length</a>=(<a class="el" href="classafio__v2__xxx_1_1algorithm_1_1mapped__view.html#a7812759f458831ea053fed38ec46dc30">size_type</a>)-1, <a class="el" href="classafio__v2__xxx_1_1algorithm_1_1mapped__view.html#a0e413ca44e22e974598aa700f8fda08a">extent_type</a> byteoffset=0, section_handle::flag _flag=section_handle::flag::readwrite)</td></tr> <tr class="separator:a9b4829efc1c9b87957203e8313172064"><td class="memSeparator" colspan="2"> </td></tr> -<tr class="memitem:a99c21a04a2de47a6c7c24ac7da5ab89b"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1algorithm_1_1mapped__view.html#a99c21a04a2de47a6c7c24ac7da5ab89b">mapped_view</a> (<a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">mapped_file_handle</a> &sh, <a class="el" href="classafio__v2__xxx_1_1algorithm_1_1mapped__view.html#a7812759f458831ea053fed38ec46dc30">size_type</a> <a class="el" href="namespaceafio__v2__xxx.html#afe66c5875c48c8bd172901a1159ccbdc">length</a>=(<a class="el" href="classafio__v2__xxx_1_1algorithm_1_1mapped__view.html#a7812759f458831ea053fed38ec46dc30">size_type</a>)-1, <a class="el" href="classafio__v2__xxx_1_1algorithm_1_1mapped__view.html#a0e413ca44e22e974598aa700f8fda08a">extent_type</a> byteoffset=0)</td></tr> -<tr class="separator:a99c21a04a2de47a6c7c24ac7da5ab89b"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:a2365c26071823a4b01045a88474b918f"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1algorithm_1_1mapped__view.html#a2365c26071823a4b01045a88474b918f">mapped_view</a> (<a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">mapped_file_handle</a> &mfh, <a class="el" href="classafio__v2__xxx_1_1algorithm_1_1mapped__view.html#a7812759f458831ea053fed38ec46dc30">size_type</a> <a class="el" href="namespaceafio__v2__xxx.html#afe66c5875c48c8bd172901a1159ccbdc">length</a>=(<a class="el" href="classafio__v2__xxx_1_1algorithm_1_1mapped__view.html#a7812759f458831ea053fed38ec46dc30">size_type</a>)-1, <a class="el" href="classafio__v2__xxx_1_1algorithm_1_1mapped__view.html#a0e413ca44e22e974598aa700f8fda08a">extent_type</a> byteoffset=0)</td></tr> +<tr class="separator:a2365c26071823a4b01045a88474b918f"><td class="memSeparator" colspan="2"> </td></tr> </table> <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> <div class="textblock"><h3>template<class T><br/> @@ -205,7 +205,7 @@ template<class T > </div> <div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordtype">char</span> *addr = _mapping.<a class="code" href="classafio__v2__xxx_1_1map__handle.html#a1e9273d0c6aca7da6480437f6cf6638a">address</a>();</div> <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keyword">static_cast<</span>span<T> &<span class="keyword">></span>(*this) = span<T>(<span class="keyword">reinterpret_cast<</span>T *<span class="keyword">></span>(addr), <a class="code" href="namespaceafio__v2__xxx.html#afe66c5875c48c8bd172901a1159ccbdc">length</a>);</div> <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  }</div> -<div class="ttc" id="classafio__v2__xxx_1_1map__handle_html_a1e9273d0c6aca7da6480437f6cf6638a"><div class="ttname"><a href="classafio__v2__xxx_1_1map__handle.html#a1e9273d0c6aca7da6480437f6cf6638a">afio_v2_xxx::map_handle::address</a></div><div class="ttdeci">char * address() const noexcept</div><div class="ttdoc">The address in memory where this mapped view resides. </div><div class="ttdef"><b>Definition:</b> map_handle.hpp:299</div></div> +<div class="ttc" id="classafio__v2__xxx_1_1map__handle_html_a1e9273d0c6aca7da6480437f6cf6638a"><div class="ttname"><a href="classafio__v2__xxx_1_1map__handle.html#a1e9273d0c6aca7da6480437f6cf6638a">afio_v2_xxx::map_handle::address</a></div><div class="ttdeci">char * address() const noexcept</div><div class="ttdoc">The address in memory where this mapped view resides. </div><div class="ttdef"><b>Definition:</b> map_handle.hpp:306</div></div> <div class="ttc" id="namespaceafio__v2__xxx_html_afe66c5875c48c8bd172901a1159ccbdc"><div class="ttname"><a href="namespaceafio__v2__xxx.html#afe66c5875c48c8bd172901a1159ccbdc">afio_v2_xxx::length</a></div><div class="ttdeci">result< file_handle::extent_type > length(const file_handle &self) noexcept</div><div class="ttdef"><b>Definition:</b> file_handle.hpp:330</div></div> <div class="ttc" id="classafio__v2__xxx_1_1map__handle_html_a9c43d182b257682d320f12f6e6be30b3"><div class="ttname"><a href="classafio__v2__xxx_1_1map__handle.html#a9c43d182b257682d320f12f6e6be30b3">afio_v2_xxx::map_handle::map</a></div><div class="ttdeci">static result< map_handle > map(size_type bytes, section_handle::flag _flag=section_handle::flag::readwrite) noexcept</div></div> </div><!-- fragment --> @@ -282,7 +282,7 @@ template<class T > </div> </div><!-- fragment --> </div> </div> -<a class="anchor" id="a99c21a04a2de47a6c7c24ac7da5ab89b"></a> +<a class="anchor" id="a2365c26071823a4b01045a88474b918f"></a> <div class="memitem"> <div class="memproto"> <div class="memtemplate"> @@ -295,7 +295,7 @@ template<class T > </div> <td class="memname"><a class="el" href="classafio__v2__xxx_1_1algorithm_1_1mapped__view.html">afio_v2_xxx::algorithm::mapped_view</a>< T >::<a class="el" href="classafio__v2__xxx_1_1algorithm_1_1mapped__view.html">mapped_view</a> </td> <td>(</td> <td class="paramtype"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">mapped_file_handle</a> & </td> - <td class="paramname"><em>sh</em>, </td> + <td class="paramname"><em>mfh</em>, </td> </tr> <tr> <td class="paramkey"></td> @@ -330,7 +330,7 @@ template<class T > </div> </table> </dd> </dl> -<div class="fragment"><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  : span<T>(sh.address() + byteoffset, (<a class="code" href="namespaceafio__v2__xxx.html#afe66c5875c48c8bd172901a1159ccbdc">length</a> == (<a class="code" href="classafio__v2__xxx_1_1algorithm_1_1mapped__view.html#a7812759f458831ea053fed38ec46dc30">size_type</a>) -1) ? (sh.length().value() / <span class="keyword">sizeof</span>(T)) : <a class="code" href="namespaceafio__v2__xxx.html#afe66c5875c48c8bd172901a1159ccbdc">length</a>)</div> +<div class="fragment"><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  : span<T>(<span class="keyword">reinterpret_cast<</span>T *<span class="keyword">></span>(mfh.address() + byteoffset), (<a class="code" href="namespaceafio__v2__xxx.html#afe66c5875c48c8bd172901a1159ccbdc">length</a> == (<a class="code" href="classafio__v2__xxx_1_1algorithm_1_1mapped__view.html#a7812759f458831ea053fed38ec46dc30">size_type</a>) -1) ? (mfh.length().value() / <span class="keyword">sizeof</span>(T)) : <a class="code" href="namespaceafio__v2__xxx.html#afe66c5875c48c8bd172901a1159ccbdc">length</a>)</div> <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  {</div> <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  }</div> <div class="ttc" id="namespaceafio__v2__xxx_html_afe66c5875c48c8bd172901a1159ccbdc"><div class="ttname"><a href="namespaceafio__v2__xxx.html#afe66c5875c48c8bd172901a1159ccbdc">afio_v2_xxx::length</a></div><div class="ttdeci">result< file_handle::extent_type > length(const file_handle &self) noexcept</div><div class="ttdef"><b>Definition:</b> file_handle.hpp:330</div></div> diff --git a/classafio__v2__xxx_1_1algorithm_1_1mapped__view.js b/classafio__v2__xxx_1_1algorithm_1_1mapped__view.js index 407253bd..930c6c84 100644 --- a/classafio__v2__xxx_1_1algorithm_1_1mapped__view.js +++ b/classafio__v2__xxx_1_1algorithm_1_1mapped__view.js @@ -5,5 +5,5 @@ var classafio__v2__xxx_1_1algorithm_1_1mapped__view = [ "mapped_view", "classafio__v2__xxx_1_1algorithm_1_1mapped__view.html#a347ec4809316c22d4b59b82f2b9b7023", null ], [ "mapped_view", "classafio__v2__xxx_1_1algorithm_1_1mapped__view.html#af8a986d93d5967962763900af3f99824", null ], [ "mapped_view", "classafio__v2__xxx_1_1algorithm_1_1mapped__view.html#a9b4829efc1c9b87957203e8313172064", null ], - [ "mapped_view", "classafio__v2__xxx_1_1algorithm_1_1mapped__view.html#a99c21a04a2de47a6c7c24ac7da5ab89b", null ] + [ "mapped_view", "classafio__v2__xxx_1_1algorithm_1_1mapped__view.html#a2365c26071823a4b01045a88474b918f", null ] ];
\ No newline at end of file diff --git a/classafio__v2__xxx_1_1algorithm_1_1shared__fs__mutex_1_1memory__map.html b/classafio__v2__xxx_1_1algorithm_1_1shared__fs__mutex_1_1memory__map.html index cdc0c17c..4708a7ac 100644 --- a/classafio__v2__xxx_1_1algorithm_1_1shared__fs__mutex_1_1memory__map.html +++ b/classafio__v2__xxx_1_1algorithm_1_1shared__fs__mutex_1_1memory__map.html @@ -368,7 +368,7 @@ template<template< class > class Hasher = QUICKCPPLIB_NAMESPACE::algori <div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  }</div> <div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  }</div> <div class="ttc" id="classafio__v2__xxx_1_1handle_html_a6f7e37c73271968271c2342023f58c9ea0fb9cf5f04f61bb6f1151da57ceb1ca1"><div class="ttname"><a href="classafio__v2__xxx_1_1handle.html#a6f7e37c73271968271c2342023f58c9ea0fb9cf5f04f61bb6f1151da57ceb1ca1">afio_v2_xxx::handle::caching::reads</a></div><div class="ttdoc">Cache reads only. Writes of data and metadata do not complete until reaching storage (O_SYNC)...</div></div> -<div class="ttc" id="namespaceafio__v2__xxx_html_a3cff8f3910dbf47663e5df1dc7e5ba47"><div class="ttname"><a href="namespaceafio__v2__xxx.html#a3cff8f3910dbf47663e5df1dc7e5ba47">afio_v2_xxx::read</a></div><div class="ttdeci">io_handle::io_result< io_handle::buffers_type > read(io_handle &self, io_handle::io_request< io_handle::buffers_type > reqs, deadline d=deadline()) noexcept</div><div class="ttdoc">Read data from the open handle. </div><div class="ttdef"><b>Definition:</b> io_handle.hpp:463</div></div> +<div class="ttc" id="namespaceafio__v2__xxx_html_a3cff8f3910dbf47663e5df1dc7e5ba47"><div class="ttname"><a href="namespaceafio__v2__xxx.html#a3cff8f3910dbf47663e5df1dc7e5ba47">afio_v2_xxx::read</a></div><div class="ttdeci">io_handle::io_result< io_handle::buffers_type > read(io_handle &self, io_handle::io_request< io_handle::buffers_type > reqs, deadline d=deadline()) noexcept</div><div class="ttdoc">Read data from the open handle. </div><div class="ttdef"><b>Definition:</b> io_handle.hpp:465</div></div> <div class="ttc" id="namespaceafio__v2__xxx_html_a4968bb2d647535f4b91427c66ff8b9e4"><div class="ttname"><a href="namespaceafio__v2__xxx.html#a4968bb2d647535f4b91427c66ff8b9e4">afio_v2_xxx::temporary_files_directory</a></div><div class="ttdeci">path_view temporary_files_directory() noexcept</div><div class="ttdoc">Returns a path to a directory reported by the operating system to be suitable for storing temporary f...</div></div> <div class="ttc" id="classafio__v2__xxx_1_1map__handle_html_a9c43d182b257682d320f12f6e6be30b3"><div class="ttname"><a href="classafio__v2__xxx_1_1map__handle.html#a9c43d182b257682d320f12f6e6be30b3">afio_v2_xxx::map_handle::map</a></div><div class="ttdeci">static result< map_handle > map(size_type bytes, section_handle::flag _flag=section_handle::flag::readwrite) noexcept</div></div> <div class="ttc" id="classafio__v2__xxx_1_1handle_html_a0489b6c1e25cd2bad2ba1ec86e1aaf18aefb2a684e4afb7d55e6147fbe5a332ee"><div class="ttname"><a href="classafio__v2__xxx_1_1handle.html#a0489b6c1e25cd2bad2ba1ec86e1aaf18aefb2a684e4afb7d55e6147fbe5a332ee">afio_v2_xxx::handle::mode::write</a></div><div class="ttdoc">Ability to read and write (READ_CONTROL|FILE_READ_DATA|FILE_READ_ATTRIBUTES|FILE_READ_EA|FILE_WRITE_D...</div></div> diff --git a/classafio__v2__xxx_1_1async__file__handle.html b/classafio__v2__xxx_1_1async__file__handle.html index 28d06cfc..ce1886ab 100644 --- a/classafio__v2__xxx_1_1async__file__handle.html +++ b/classafio__v2__xxx_1_1async__file__handle.html @@ -588,7 +588,7 @@ template<class CompletionRoutine , class BuffersType > </div> <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  ret._service = &<a class="code" href="classafio__v2__xxx_1_1file__handle.html#a672324d44ea84ccfb71594c1036628ac">service</a>;</div> <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">return</span> std::move(ret);</div> <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  }</div> -<div class="ttc" id="classafio__v2__xxx_1_1handle_html_ab3d876f5996605158fd6a0582adadad6"><div class="ttname"><a href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">afio_v2_xxx::handle::flags</a></div><div class="ttdeci">flag flags() const noexcept</div><div class="ttdoc">The flags this handle was opened with. </div><div class="ttdef"><b>Definition:</b> handle.hpp:306</div></div> +<div class="ttc" id="classafio__v2__xxx_1_1handle_html_ab3d876f5996605158fd6a0582adadad6"><div class="ttname"><a href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">afio_v2_xxx::handle::flags</a></div><div class="ttdeci">flag flags() const noexcept</div><div class="ttdoc">The flags this handle was opened with. </div><div class="ttdef"><b>Definition:</b> handle.hpp:307</div></div> <div class="ttc" id="classafio__v2__xxx_1_1file__handle_html_a6f4e7c6e9768c0e853105b1d63bd9dfb"><div class="ttname"><a href="classafio__v2__xxx_1_1file__handle.html#a6f4e7c6e9768c0e853105b1d63bd9dfb">afio_v2_xxx::file_handle::file</a></div><div class="ttdeci">static result< file_handle > file(const path_handle &base, path_view_type _path, mode _mode=mode::read, creation _creation=creation::open_existing, caching _caching=caching::all, flag flags=flag::none) noexcept</div></div> <div class="ttc" id="classafio__v2__xxx_1_1file__handle_html_a672324d44ea84ccfb71594c1036628ac"><div class="ttname"><a href="classafio__v2__xxx_1_1file__handle.html#a672324d44ea84ccfb71594c1036628ac">afio_v2_xxx::file_handle::service</a></div><div class="ttdeci">io_service * service() const noexcept</div><div class="ttdoc">The i/o service this handle is attached to, if any. </div><div class="ttdef"><b>Definition:</b> file_handle.hpp:217</div></div> <div class="ttc" id="classafio__v2__xxx_1_1async__file__handle_html_a1b8753468fe5561b92da18d1cb4a6c68"><div class="ttname"><a href="classafio__v2__xxx_1_1async__file__handle.html#a1b8753468fe5561b92da18d1cb4a6c68">afio_v2_xxx::async_file_handle::async_file_handle</a></div><div class="ttdeci">async_file_handle()=default</div><div class="ttdoc">Default constructor. </div></div> @@ -664,7 +664,7 @@ template<class CompletionRoutine , class BuffersType > </div> <div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  }</div> <div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  }</div> <div class="ttc" id="namespaceafio__v2__xxx_1_1utils_html_a767b8434456319066194534a4c4edbf5"><div class="ttname"><a href="namespaceafio__v2__xxx_1_1utils.html#a767b8434456319066194534a4c4edbf5">afio_v2_xxx::utils::random_string</a></div><div class="ttdeci">std::string random_string(size_t randomlen)</div><div class="ttdoc">Returns a cryptographically random string capable of being used as a filename. Essentially random_fil...</div><div class="ttdef"><b>Definition:</b> utils.hpp:130</div></div> -<div class="ttc" id="classafio__v2__xxx_1_1handle_html_ab3d876f5996605158fd6a0582adadad6"><div class="ttname"><a href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">afio_v2_xxx::handle::flags</a></div><div class="ttdeci">flag flags() const noexcept</div><div class="ttdoc">The flags this handle was opened with. </div><div class="ttdef"><b>Definition:</b> handle.hpp:306</div></div> +<div class="ttc" id="classafio__v2__xxx_1_1handle_html_ab3d876f5996605158fd6a0582adadad6"><div class="ttname"><a href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">afio_v2_xxx::handle::flags</a></div><div class="ttdeci">flag flags() const noexcept</div><div class="ttdoc">The flags this handle was opened with. </div><div class="ttdef"><b>Definition:</b> handle.hpp:307</div></div> <div class="ttc" id="classafio__v2__xxx_1_1file__handle_html_a672324d44ea84ccfb71594c1036628ac"><div class="ttname"><a href="classafio__v2__xxx_1_1file__handle.html#a672324d44ea84ccfb71594c1036628ac">afio_v2_xxx::file_handle::service</a></div><div class="ttdeci">io_service * service() const noexcept</div><div class="ttdoc">The i/o service this handle is attached to, if any. </div><div class="ttdef"><b>Definition:</b> file_handle.hpp:217</div></div> <div class="ttc" id="classafio__v2__xxx_1_1async__file__handle_html_a5e6891894762e648e78726cabc23c0b9"><div class="ttname"><a href="classafio__v2__xxx_1_1async__file__handle.html#a5e6891894762e648e78726cabc23c0b9">afio_v2_xxx::async_file_handle::async_file</a></div><div class="ttdeci">static result< async_file_handle > async_file(io_service &service, const path_handle &base, path_view_type _path, mode _mode=mode::read, creation _creation=creation::open_existing, caching _caching=caching::all, flag flags=flag::none) noexcept</div><div class="ttdef"><b>Definition:</b> async_file_handle.hpp:110</div></div> </div><!-- fragment --> @@ -782,7 +782,7 @@ template<class CompletionRoutine > </div> <div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  }</div> <div class="ttc" id="namespaceafio__v2__xxx_html_a4968bb2d647535f4b91427c66ff8b9e4"><div class="ttname"><a href="namespaceafio__v2__xxx.html#a4968bb2d647535f4b91427c66ff8b9e4">afio_v2_xxx::temporary_files_directory</a></div><div class="ttdeci">path_view temporary_files_directory() noexcept</div><div class="ttdoc">Returns a path to a directory reported by the operating system to be suitable for storing temporary f...</div></div> <div class="ttc" id="classafio__v2__xxx_1_1path__handle_html_a5cbd1d67ffe72d6cce0d093f861a4af7"><div class="ttname"><a href="classafio__v2__xxx_1_1path__handle.html#a5cbd1d67ffe72d6cce0d093f861a4af7">afio_v2_xxx::path_handle::path</a></div><div class="ttdeci">static result< path_handle > path(const path_handle &base, path_view_type _path) noexcept</div></div> -<div class="ttc" id="classafio__v2__xxx_1_1handle_html_ab3d876f5996605158fd6a0582adadad6"><div class="ttname"><a href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">afio_v2_xxx::handle::flags</a></div><div class="ttdeci">flag flags() const noexcept</div><div class="ttdoc">The flags this handle was opened with. </div><div class="ttdef"><b>Definition:</b> handle.hpp:306</div></div> +<div class="ttc" id="classafio__v2__xxx_1_1handle_html_ab3d876f5996605158fd6a0582adadad6"><div class="ttname"><a href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">afio_v2_xxx::handle::flags</a></div><div class="ttdeci">flag flags() const noexcept</div><div class="ttdoc">The flags this handle was opened with. </div><div class="ttdef"><b>Definition:</b> handle.hpp:307</div></div> <div class="ttc" id="classafio__v2__xxx_1_1file__handle_html_a672324d44ea84ccfb71594c1036628ac"><div class="ttname"><a href="classafio__v2__xxx_1_1file__handle.html#a672324d44ea84ccfb71594c1036628ac">afio_v2_xxx::file_handle::service</a></div><div class="ttdeci">io_service * service() const noexcept</div><div class="ttdoc">The i/o service this handle is attached to, if any. </div><div class="ttdef"><b>Definition:</b> file_handle.hpp:217</div></div> <div class="ttc" id="classafio__v2__xxx_1_1async__file__handle_html_a5e6891894762e648e78726cabc23c0b9"><div class="ttname"><a href="classafio__v2__xxx_1_1async__file__handle.html#a5e6891894762e648e78726cabc23c0b9">afio_v2_xxx::async_file_handle::async_file</a></div><div class="ttdeci">static result< async_file_handle > async_file(io_service &service, const path_handle &base, path_view_type _path, mode _mode=mode::read, creation _creation=creation::open_existing, caching _caching=caching::all, flag flags=flag::none) noexcept</div><div class="ttdef"><b>Definition:</b> async_file_handle.hpp:110</div></div> <div class="ttc" id="classafio__v2__xxx_1_1async__file__handle_html_a2eb236d3277dac32fabbae2c39821a51"><div class="ttname"><a href="classafio__v2__xxx_1_1async__file__handle.html#a2eb236d3277dac32fabbae2c39821a51">afio_v2_xxx::async_file_handle::async_random_file</a></div><div class="ttdeci">static result< async_file_handle > async_random_file(io_service &service, const path_handle &dirpath, mode _mode=mode::write, caching _caching=caching::temporary, flag flags=flag::none) noexcept</div><div class="ttdef"><b>Definition:</b> async_file_handle.hpp:128</div></div> @@ -842,7 +842,7 @@ template<class CompletionRoutine > </div> <div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordflow">return</span> std::move(ret);</div> <div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  }</div> <div class="ttc" id="classafio__v2__xxx_1_1file__handle_html_a2910fdfa511d1295e36e2eb015b989ac"><div class="ttname"><a href="classafio__v2__xxx_1_1file__handle.html#a2910fdfa511d1295e36e2eb015b989ac">afio_v2_xxx::file_handle::temp_inode</a></div><div class="ttdeci">static result< file_handle > temp_inode(path_view_type dirpath=temporary_files_directory(), mode _mode=mode::write, flag flags=flag::none) noexcept</div></div> -<div class="ttc" id="classafio__v2__xxx_1_1handle_html_ab3d876f5996605158fd6a0582adadad6"><div class="ttname"><a href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">afio_v2_xxx::handle::flags</a></div><div class="ttdeci">flag flags() const noexcept</div><div class="ttdoc">The flags this handle was opened with. </div><div class="ttdef"><b>Definition:</b> handle.hpp:306</div></div> +<div class="ttc" id="classafio__v2__xxx_1_1handle_html_ab3d876f5996605158fd6a0582adadad6"><div class="ttname"><a href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">afio_v2_xxx::handle::flags</a></div><div class="ttdeci">flag flags() const noexcept</div><div class="ttdoc">The flags this handle was opened with. </div><div class="ttdef"><b>Definition:</b> handle.hpp:307</div></div> <div class="ttc" id="classafio__v2__xxx_1_1file__handle_html_a672324d44ea84ccfb71594c1036628ac"><div class="ttname"><a href="classafio__v2__xxx_1_1file__handle.html#a672324d44ea84ccfb71594c1036628ac">afio_v2_xxx::file_handle::service</a></div><div class="ttdeci">io_service * service() const noexcept</div><div class="ttdoc">The i/o service this handle is attached to, if any. </div><div class="ttdef"><b>Definition:</b> file_handle.hpp:217</div></div> <div class="ttc" id="classafio__v2__xxx_1_1async__file__handle_html_a1b8753468fe5561b92da18d1cb4a6c68"><div class="ttname"><a href="classafio__v2__xxx_1_1async__file__handle.html#a1b8753468fe5561b92da18d1cb4a6c68">afio_v2_xxx::async_file_handle::async_file_handle</a></div><div class="ttdeci">async_file_handle()=default</div><div class="ttdoc">Default constructor. </div></div> </div><!-- fragment --> @@ -1010,8 +1010,6 @@ For portability, you can only assume that barriers write order for a single hand <p>Clone this handle (copy constructor is disabled to avoid accidental copying)</p> <dl class="section user"><dt>Errors returnable</dt><dd>Any of the values POSIX dup() or DuplicateHandle() can return. </dd></dl> -<p>Reimplemented in <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#ab37c9af33f662fa5e4cbfc1dff155607">afio_v2_xxx::mapped_file_handle</a>.</p> - </div> </div> <a class="anchor" id="a616a67222676af5ec5b3aa94d7c02428"></a> @@ -1237,16 +1235,16 @@ For portability, you can only assume that barriers write order for a single hand </table> </div><div class="memdoc"> <p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p> -<div class="fragment"><div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  {</div> -<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <span class="keywordtype">size_t</span> bytes = 0;</div> -<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  <span class="keywordflow">for</span>(<span class="keyword">auto</span> &i : reqs.buffers)</div> -<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  {</div> -<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="keywordflow">if</span>(bytes + i.len < bytes)</div> -<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  <span class="keywordflow">return</span> std::errc::value_too_large;</div> -<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  bytes += i.len;</div> -<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  }</div> -<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <span class="keywordflow">return</span> <a class="code" href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">lock</a>(reqs.offset, bytes, <span class="keyword">false</span>, std::move(d));</div> -<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  }</div> +<div class="fragment"><div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  {</div> +<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <span class="keywordtype">size_t</span> bytes = 0;</div> +<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="keywordflow">for</span>(<span class="keyword">auto</span> &i : reqs.buffers)</div> +<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  {</div> +<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  <span class="keywordflow">if</span>(bytes + i.len < bytes)</div> +<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <span class="keywordflow">return</span> std::errc::value_too_large;</div> +<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  bytes += i.len;</div> +<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  }</div> +<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <span class="keywordflow">return</span> <a class="code" href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">lock</a>(reqs.offset, bytes, <span class="keyword">false</span>, std::move(d));</div> +<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  }</div> <div class="ttc" id="classafio__v2__xxx_1_1io__handle_html_a88689b15e6e8b6ce1f945737dee4369e"><div class="ttname"><a href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">afio_v2_xxx::io_handle::lock</a></div><div class="ttdeci">virtual result< extent_guard > lock(extent_type offset, extent_type bytes, bool exclusive=true, deadline d=deadline()) noexcept</div><div class="ttdoc">Tries to lock the range of bytes specified for shared or exclusive access. Be aware this passes throu...</div></div> </div><!-- fragment --> </div> @@ -1283,16 +1281,16 @@ For portability, you can only assume that barriers write order for a single hand </table> </div><div class="memdoc"> <p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p> -<div class="fragment"><div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  {</div> -<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  <span class="keywordtype">size_t</span> bytes = 0;</div> -<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <span class="keywordflow">for</span>(<span class="keyword">auto</span> &i : reqs.buffers)</div> -<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  {</div> -<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keywordflow">if</span>(bytes + i.len < bytes)</div> -<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="keywordflow">return</span> std::errc::value_too_large;</div> -<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  bytes += i.len;</div> -<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  }</div> -<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="keywordflow">return</span> <a class="code" href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">lock</a>(reqs.offset, bytes, <span class="keyword">true</span>, std::move(d));</div> -<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  }</div> +<div class="fragment"><div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  {</div> +<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <span class="keywordtype">size_t</span> bytes = 0;</div> +<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keywordflow">for</span>(<span class="keyword">auto</span> &i : reqs.buffers)</div> +<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  {</div> +<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  <span class="keywordflow">if</span>(bytes + i.len < bytes)</div> +<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  <span class="keywordflow">return</span> std::errc::value_too_large;</div> +<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  bytes += i.len;</div> +<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  }</div> +<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  <span class="keywordflow">return</span> <a class="code" href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">lock</a>(reqs.offset, bytes, <span class="keyword">true</span>, std::move(d));</div> +<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  }</div> <div class="ttc" id="classafio__v2__xxx_1_1io__handle_html_a88689b15e6e8b6ce1f945737dee4369e"><div class="ttname"><a href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">afio_v2_xxx::io_handle::lock</a></div><div class="ttdeci">virtual result< extent_guard > lock(extent_type offset, extent_type bytes, bool exclusive=true, deadline d=deadline()) noexcept</div><div class="ttdoc">Tries to lock the range of bytes specified for shared or exclusive access. Be aware this passes throu...</div></div> </div><!-- fragment --> </div> @@ -1415,7 +1413,7 @@ For portability, you can only assume that barriers write order for a single hand <div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  }</div> <div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  }</div> <div class="ttc" id="namespaceafio__v2__xxx_1_1utils_html_a767b8434456319066194534a4c4edbf5"><div class="ttname"><a href="namespaceafio__v2__xxx_1_1utils.html#a767b8434456319066194534a4c4edbf5">afio_v2_xxx::utils::random_string</a></div><div class="ttdeci">std::string random_string(size_t randomlen)</div><div class="ttdoc">Returns a cryptographically random string capable of being used as a filename. Essentially random_fil...</div><div class="ttdef"><b>Definition:</b> utils.hpp:130</div></div> -<div class="ttc" id="classafio__v2__xxx_1_1handle_html_ab3d876f5996605158fd6a0582adadad6"><div class="ttname"><a href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">afio_v2_xxx::handle::flags</a></div><div class="ttdeci">flag flags() const noexcept</div><div class="ttdoc">The flags this handle was opened with. </div><div class="ttdef"><b>Definition:</b> handle.hpp:306</div></div> +<div class="ttc" id="classafio__v2__xxx_1_1handle_html_ab3d876f5996605158fd6a0582adadad6"><div class="ttname"><a href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">afio_v2_xxx::handle::flags</a></div><div class="ttdeci">flag flags() const noexcept</div><div class="ttdoc">The flags this handle was opened with. </div><div class="ttdef"><b>Definition:</b> handle.hpp:307</div></div> <div class="ttc" id="classafio__v2__xxx_1_1file__handle_html_a6f4e7c6e9768c0e853105b1d63bd9dfb"><div class="ttname"><a href="classafio__v2__xxx_1_1file__handle.html#a6f4e7c6e9768c0e853105b1d63bd9dfb">afio_v2_xxx::file_handle::file</a></div><div class="ttdeci">static result< file_handle > file(const path_handle &base, path_view_type _path, mode _mode=mode::read, creation _creation=creation::open_existing, caching _caching=caching::all, flag flags=flag::none) noexcept</div></div> </div><!-- fragment --> </div> @@ -1695,7 +1693,7 @@ For portability, you can only assume that barriers write order for a single hand <div class="ttc" id="namespaceafio__v2__xxx_html_a4968bb2d647535f4b91427c66ff8b9e4"><div class="ttname"><a href="namespaceafio__v2__xxx.html#a4968bb2d647535f4b91427c66ff8b9e4">afio_v2_xxx::temporary_files_directory</a></div><div class="ttdeci">path_view temporary_files_directory() noexcept</div><div class="ttdoc">Returns a path to a directory reported by the operating system to be suitable for storing temporary f...</div></div> <div class="ttc" id="classafio__v2__xxx_1_1path__handle_html_a5cbd1d67ffe72d6cce0d093f861a4af7"><div class="ttname"><a href="classafio__v2__xxx_1_1path__handle.html#a5cbd1d67ffe72d6cce0d093f861a4af7">afio_v2_xxx::path_handle::path</a></div><div class="ttdeci">static result< path_handle > path(const path_handle &base, path_view_type _path) noexcept</div></div> <div class="ttc" id="classafio__v2__xxx_1_1file__handle_html_a7fdd164a8af6542c5fb80c514283c585"><div class="ttname"><a href="classafio__v2__xxx_1_1file__handle.html#a7fdd164a8af6542c5fb80c514283c585">afio_v2_xxx::file_handle::random_file</a></div><div class="ttdeci">static result< file_handle > random_file(const path_handle &dirpath, mode _mode=mode::write, caching _caching=caching::temporary, flag flags=flag::none) noexcept</div><div class="ttdef"><b>Definition:</b> file_handle.hpp:140</div></div> -<div class="ttc" id="classafio__v2__xxx_1_1handle_html_ab3d876f5996605158fd6a0582adadad6"><div class="ttname"><a href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">afio_v2_xxx::handle::flags</a></div><div class="ttdeci">flag flags() const noexcept</div><div class="ttdoc">The flags this handle was opened with. </div><div class="ttdef"><b>Definition:</b> handle.hpp:306</div></div> +<div class="ttc" id="classafio__v2__xxx_1_1handle_html_ab3d876f5996605158fd6a0582adadad6"><div class="ttname"><a href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">afio_v2_xxx::handle::flags</a></div><div class="ttdeci">flag flags() const noexcept</div><div class="ttdoc">The flags this handle was opened with. </div><div class="ttdef"><b>Definition:</b> handle.hpp:307</div></div> <div class="ttc" id="classafio__v2__xxx_1_1file__handle_html_a6f4e7c6e9768c0e853105b1d63bd9dfb"><div class="ttname"><a href="classafio__v2__xxx_1_1file__handle.html#a6f4e7c6e9768c0e853105b1d63bd9dfb">afio_v2_xxx::file_handle::file</a></div><div class="ttdeci">static result< file_handle > file(const path_handle &base, path_view_type _path, mode _mode=mode::read, creation _creation=creation::open_existing, caching _caching=caching::all, flag flags=flag::none) noexcept</div></div> </div><!-- fragment --> </div> @@ -1815,7 +1813,7 @@ For portability, you can only assume that barriers write order for a single hand </table> </div><div class="memdoc"> <p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p> -<div class="fragment"><div class="line"><a name="l00405"></a><span class="lineno"> 405</span> { <span class="keywordflow">return</span> <a class="code" href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">lock</a>(offset, bytes, exclusive, deadline(std::chrono::seconds(0))); }</div> +<div class="fragment"><div class="line"><a name="l00407"></a><span class="lineno"> 407</span> { <span class="keywordflow">return</span> <a class="code" href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">lock</a>(offset, bytes, exclusive, deadline(std::chrono::seconds(0))); }</div> <div class="ttc" id="classafio__v2__xxx_1_1io__handle_html_a88689b15e6e8b6ce1f945737dee4369e"><div class="ttname"><a href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">afio_v2_xxx::io_handle::lock</a></div><div class="ttdeci">virtual result< extent_guard > lock(extent_type offset, extent_type bytes, bool exclusive=true, deadline d=deadline()) noexcept</div><div class="ttdoc">Tries to lock the range of bytes specified for shared or exclusive access. Be aware this passes throu...</div></div> </div><!-- fragment --> </div> @@ -1931,7 +1929,7 @@ For portability, you can only assume that barriers write order for a single hand </div><div class="memdoc"> <p>Write data to the open handle. </p> -<dl class="section warning"><dt>Warning</dt><dd>Depending on the implementation backend, not all of the buffers input may be written and the some buffers at the end of the returned buffers may return with zero bytes written. For example, with a zeroed deadline, some backends may only consume as many buffers as the system has available write slots for, thus for those backends this call is "non-blocking" in the sense that it will return immediately even if it could not schedule a single buffer write.</dd></dl> +<dl class="section warning"><dt>Warning</dt><dd>Depending on the implementation backend, not all of the buffers input may be written and the some buffers at the end of the returned buffers may return with zero bytes written. For example, with a zeroed deadline, some backends may only consume as many buffers as the system has available write slots for, thus for those backends this call is "non-blocking" in the sense that it will return immediately even if it could not schedule a single buffer write. Another example is that some implementations will not auto-extend the length of a file when a write exceeds the maximum extent, you will need to issue a <code>truncate(newsize)</code> first.</dd></dl> <dl class="section return"><dt>Returns</dt><dd>The buffers written, which may not be the buffers input. The size of each scatter-gather buffer is updated with the number of bytes of that buffer transferred. </dd></dl> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> @@ -1989,12 +1987,12 @@ For portability, you can only assume that barriers write order for a single hand </table> </div><div class="memdoc"> <p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p> -<div class="fragment"><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  {</div> -<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  const_buffer_type _reqs[1] = {{data, bytes}};</div> -<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  io_request<const_buffers_type> reqs(<a class="code" href="classafio__v2__xxx_1_1io__handle.html#a639b8760b1b98df95e4956f6cc56f6b5">const_buffers_type</a>(_reqs), offset);</div> -<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  OUTCOME_TRY(v, <a class="code" href="classafio__v2__xxx_1_1io__handle.html#aefac4710e5617264347f437b04732c01">write</a>(reqs, d));</div> -<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="keywordflow">return</span> *v.data();</div> -<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  }</div> +<div class="fragment"><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  {</div> +<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  const_buffer_type _reqs[1] = {{data, bytes}};</div> +<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  io_request<const_buffers_type> reqs(<a class="code" href="classafio__v2__xxx_1_1io__handle.html#a639b8760b1b98df95e4956f6cc56f6b5">const_buffers_type</a>(_reqs), offset);</div> +<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  OUTCOME_TRY(v, <a class="code" href="classafio__v2__xxx_1_1io__handle.html#aefac4710e5617264347f437b04732c01">write</a>(reqs, d));</div> +<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keywordflow">return</span> *v.data();</div> +<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  }</div> <div class="ttc" id="classafio__v2__xxx_1_1io__handle_html_a639b8760b1b98df95e4956f6cc56f6b5"><div class="ttname"><a href="classafio__v2__xxx_1_1io__handle.html#a639b8760b1b98df95e4956f6cc56f6b5">afio_v2_xxx::io_handle::const_buffers_type</a></div><div class="ttdeci">span< const_buffer_type > const_buffers_type</div><div class="ttdoc">The gather buffers type used by this handle. Guaranteed to be TrivialType apart from construction...</div><div class="ttdef"><b>Definition:</b> io_handle.hpp:78</div></div> <div class="ttc" id="classafio__v2__xxx_1_1io__handle_html_aefac4710e5617264347f437b04732c01"><div class="ttname"><a href="classafio__v2__xxx_1_1io__handle.html#aefac4710e5617264347f437b04732c01">afio_v2_xxx::io_handle::write</a></div><div class="ttdeci">virtual io_result< const_buffers_type > write(io_request< const_buffers_type > reqs, deadline d=deadline()) noexcept</div><div class="ttdoc">Write data to the open handle. </div></div> </div><!-- fragment --> diff --git a/classafio__v2__xxx_1_1directory__handle.html b/classafio__v2__xxx_1_1directory__handle.html index c41b105a..cac092d1 100644 --- a/classafio__v2__xxx_1_1directory__handle.html +++ b/classafio__v2__xxx_1_1directory__handle.html @@ -733,7 +733,7 @@ ino_t </td><td class="memItemRight" valign="bottom"><b>_inode</b></td></tr> <div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  }</div> <div class="ttc" id="classafio__v2__xxx_1_1directory__handle_html_ade355bac3d2aafd1ead15d090f85c057"><div class="ttname"><a href="classafio__v2__xxx_1_1directory__handle.html#ade355bac3d2aafd1ead15d090f85c057">afio_v2_xxx::directory_handle::directory</a></div><div class="ttdeci">static result< directory_handle > directory(const path_handle &base, path_view_type _path, mode _mode=mode::read, creation _creation=creation::open_existing, caching _caching=caching::all, flag flags=flag::none) noexcept</div></div> <div class="ttc" id="namespaceafio__v2__xxx_1_1utils_html_a767b8434456319066194534a4c4edbf5"><div class="ttname"><a href="namespaceafio__v2__xxx_1_1utils.html#a767b8434456319066194534a4c4edbf5">afio_v2_xxx::utils::random_string</a></div><div class="ttdeci">std::string random_string(size_t randomlen)</div><div class="ttdoc">Returns a cryptographically random string capable of being used as a filename. Essentially random_fil...</div><div class="ttdef"><b>Definition:</b> utils.hpp:130</div></div> -<div class="ttc" id="classafio__v2__xxx_1_1handle_html_ab3d876f5996605158fd6a0582adadad6"><div class="ttname"><a href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">afio_v2_xxx::handle::flags</a></div><div class="ttdeci">flag flags() const noexcept</div><div class="ttdoc">The flags this handle was opened with. </div><div class="ttdef"><b>Definition:</b> handle.hpp:306</div></div> +<div class="ttc" id="classafio__v2__xxx_1_1handle_html_ab3d876f5996605158fd6a0582adadad6"><div class="ttname"><a href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">afio_v2_xxx::handle::flags</a></div><div class="ttdeci">flag flags() const noexcept</div><div class="ttdoc">The flags this handle was opened with. </div><div class="ttdef"><b>Definition:</b> handle.hpp:307</div></div> </div><!-- fragment --> </div> </div> @@ -909,7 +909,7 @@ ino_t </td><td class="memItemRight" valign="bottom"><b>_inode</b></td></tr> <div class="ttc" id="classafio__v2__xxx_1_1directory__handle_html_ade355bac3d2aafd1ead15d090f85c057"><div class="ttname"><a href="classafio__v2__xxx_1_1directory__handle.html#ade355bac3d2aafd1ead15d090f85c057">afio_v2_xxx::directory_handle::directory</a></div><div class="ttdeci">static result< directory_handle > directory(const path_handle &base, path_view_type _path, mode _mode=mode::read, creation _creation=creation::open_existing, caching _caching=caching::all, flag flags=flag::none) noexcept</div></div> <div class="ttc" id="namespaceafio__v2__xxx_html_a4968bb2d647535f4b91427c66ff8b9e4"><div class="ttname"><a href="namespaceafio__v2__xxx.html#a4968bb2d647535f4b91427c66ff8b9e4">afio_v2_xxx::temporary_files_directory</a></div><div class="ttdeci">path_view temporary_files_directory() noexcept</div><div class="ttdoc">Returns a path to a directory reported by the operating system to be suitable for storing temporary f...</div></div> <div class="ttc" id="classafio__v2__xxx_1_1path__handle_html_a5cbd1d67ffe72d6cce0d093f861a4af7"><div class="ttname"><a href="classafio__v2__xxx_1_1path__handle.html#a5cbd1d67ffe72d6cce0d093f861a4af7">afio_v2_xxx::path_handle::path</a></div><div class="ttdeci">static result< path_handle > path(const path_handle &base, path_view_type _path) noexcept</div></div> -<div class="ttc" id="classafio__v2__xxx_1_1handle_html_ab3d876f5996605158fd6a0582adadad6"><div class="ttname"><a href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">afio_v2_xxx::handle::flags</a></div><div class="ttdeci">flag flags() const noexcept</div><div class="ttdoc">The flags this handle was opened with. </div><div class="ttdef"><b>Definition:</b> handle.hpp:306</div></div> +<div class="ttc" id="classafio__v2__xxx_1_1handle_html_ab3d876f5996605158fd6a0582adadad6"><div class="ttname"><a href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">afio_v2_xxx::handle::flags</a></div><div class="ttdeci">flag flags() const noexcept</div><div class="ttdoc">The flags this handle was opened with. </div><div class="ttdef"><b>Definition:</b> handle.hpp:307</div></div> <div class="ttc" id="classafio__v2__xxx_1_1directory__handle_html_a28fdac2d7adadbdddd036efd802ad726"><div class="ttname"><a href="classafio__v2__xxx_1_1directory__handle.html#a28fdac2d7adadbdddd036efd802ad726">afio_v2_xxx::directory_handle::random_directory</a></div><div class="ttdeci">static result< directory_handle > random_directory(const path_handle &dirpath, mode _mode=mode::write, caching _caching=caching::temporary, flag flags=flag::none) noexcept</div><div class="ttdef"><b>Definition:</b> directory_handle.hpp:163</div></div> </div><!-- fragment --> </div> diff --git a/classafio__v2__xxx_1_1file__handle.html b/classafio__v2__xxx_1_1file__handle.html index fc680d69..47bf41f0 100644 --- a/classafio__v2__xxx_1_1file__handle.html +++ b/classafio__v2__xxx_1_1file__handle.html @@ -515,8 +515,6 @@ For portability, you can only assume that barriers write order for a single hand <p>Clone this handle (copy constructor is disabled to avoid accidental copying)</p> <dl class="section user"><dt>Errors returnable</dt><dd>Any of the values POSIX dup() or DuplicateHandle() can return. </dd></dl> -<p>Reimplemented in <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#ab37c9af33f662fa5e4cbfc1dff155607">afio_v2_xxx::mapped_file_handle</a>.</p> - </div> </div> <a class="anchor" id="a616a67222676af5ec5b3aa94d7c02428"></a> @@ -742,16 +740,16 @@ For portability, you can only assume that barriers write order for a single hand </table> </div><div class="memdoc"> <p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p> -<div class="fragment"><div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  {</div> -<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <span class="keywordtype">size_t</span> bytes = 0;</div> -<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  <span class="keywordflow">for</span>(<span class="keyword">auto</span> &i : reqs.buffers)</div> -<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  {</div> -<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="keywordflow">if</span>(bytes + i.len < bytes)</div> -<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  <span class="keywordflow">return</span> std::errc::value_too_large;</div> -<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  bytes += i.len;</div> -<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  }</div> -<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <span class="keywordflow">return</span> <a class="code" href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">lock</a>(reqs.offset, bytes, <span class="keyword">false</span>, std::move(d));</div> -<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  }</div> +<div class="fragment"><div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  {</div> +<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <span class="keywordtype">size_t</span> bytes = 0;</div> +<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="keywordflow">for</span>(<span class="keyword">auto</span> &i : reqs.buffers)</div> +<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  {</div> +<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  <span class="keywordflow">if</span>(bytes + i.len < bytes)</div> +<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <span class="keywordflow">return</span> std::errc::value_too_large;</div> +<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  bytes += i.len;</div> +<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  }</div> +<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <span class="keywordflow">return</span> <a class="code" href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">lock</a>(reqs.offset, bytes, <span class="keyword">false</span>, std::move(d));</div> +<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  }</div> <div class="ttc" id="classafio__v2__xxx_1_1io__handle_html_a88689b15e6e8b6ce1f945737dee4369e"><div class="ttname"><a href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">afio_v2_xxx::io_handle::lock</a></div><div class="ttdeci">virtual result< extent_guard > lock(extent_type offset, extent_type bytes, bool exclusive=true, deadline d=deadline()) noexcept</div><div class="ttdoc">Tries to lock the range of bytes specified for shared or exclusive access. Be aware this passes throu...</div></div> </div><!-- fragment --> </div> @@ -788,16 +786,16 @@ For portability, you can only assume that barriers write order for a single hand </table> </div><div class="memdoc"> <p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p> -<div class="fragment"><div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  {</div> -<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  <span class="keywordtype">size_t</span> bytes = 0;</div> -<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <span class="keywordflow">for</span>(<span class="keyword">auto</span> &i : reqs.buffers)</div> -<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  {</div> -<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keywordflow">if</span>(bytes + i.len < bytes)</div> -<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="keywordflow">return</span> std::errc::value_too_large;</div> -<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  bytes += i.len;</div> -<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  }</div> -<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="keywordflow">return</span> <a class="code" href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">lock</a>(reqs.offset, bytes, <span class="keyword">true</span>, std::move(d));</div> -<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  }</div> +<div class="fragment"><div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  {</div> +<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <span class="keywordtype">size_t</span> bytes = 0;</div> +<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keywordflow">for</span>(<span class="keyword">auto</span> &i : reqs.buffers)</div> +<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  {</div> +<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  <span class="keywordflow">if</span>(bytes + i.len < bytes)</div> +<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  <span class="keywordflow">return</span> std::errc::value_too_large;</div> +<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  bytes += i.len;</div> +<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  }</div> +<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  <span class="keywordflow">return</span> <a class="code" href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">lock</a>(reqs.offset, bytes, <span class="keyword">true</span>, std::move(d));</div> +<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  }</div> <div class="ttc" id="classafio__v2__xxx_1_1io__handle_html_a88689b15e6e8b6ce1f945737dee4369e"><div class="ttname"><a href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">afio_v2_xxx::io_handle::lock</a></div><div class="ttdeci">virtual result< extent_guard > lock(extent_type offset, extent_type bytes, bool exclusive=true, deadline d=deadline()) noexcept</div><div class="ttdoc">Tries to lock the range of bytes specified for shared or exclusive access. Be aware this passes throu...</div></div> </div><!-- fragment --> </div> @@ -920,7 +918,7 @@ For portability, you can only assume that barriers write order for a single hand <div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  }</div> <div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  }</div> <div class="ttc" id="namespaceafio__v2__xxx_1_1utils_html_a767b8434456319066194534a4c4edbf5"><div class="ttname"><a href="namespaceafio__v2__xxx_1_1utils.html#a767b8434456319066194534a4c4edbf5">afio_v2_xxx::utils::random_string</a></div><div class="ttdeci">std::string random_string(size_t randomlen)</div><div class="ttdoc">Returns a cryptographically random string capable of being used as a filename. Essentially random_fil...</div><div class="ttdef"><b>Definition:</b> utils.hpp:130</div></div> -<div class="ttc" id="classafio__v2__xxx_1_1handle_html_ab3d876f5996605158fd6a0582adadad6"><div class="ttname"><a href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">afio_v2_xxx::handle::flags</a></div><div class="ttdeci">flag flags() const noexcept</div><div class="ttdoc">The flags this handle was opened with. </div><div class="ttdef"><b>Definition:</b> handle.hpp:306</div></div> +<div class="ttc" id="classafio__v2__xxx_1_1handle_html_ab3d876f5996605158fd6a0582adadad6"><div class="ttname"><a href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">afio_v2_xxx::handle::flags</a></div><div class="ttdeci">flag flags() const noexcept</div><div class="ttdoc">The flags this handle was opened with. </div><div class="ttdef"><b>Definition:</b> handle.hpp:307</div></div> <div class="ttc" id="classafio__v2__xxx_1_1file__handle_html_a6f4e7c6e9768c0e853105b1d63bd9dfb"><div class="ttname"><a href="classafio__v2__xxx_1_1file__handle.html#a6f4e7c6e9768c0e853105b1d63bd9dfb">afio_v2_xxx::file_handle::file</a></div><div class="ttdeci">static result< file_handle > file(const path_handle &base, path_view_type _path, mode _mode=mode::read, creation _creation=creation::open_existing, caching _caching=caching::all, flag flags=flag::none) noexcept</div></div> </div><!-- fragment --> </div> @@ -1200,7 +1198,7 @@ For portability, you can only assume that barriers write order for a single hand <div class="ttc" id="namespaceafio__v2__xxx_html_a4968bb2d647535f4b91427c66ff8b9e4"><div class="ttname"><a href="namespaceafio__v2__xxx.html#a4968bb2d647535f4b91427c66ff8b9e4">afio_v2_xxx::temporary_files_directory</a></div><div class="ttdeci">path_view temporary_files_directory() noexcept</div><div class="ttdoc">Returns a path to a directory reported by the operating system to be suitable for storing temporary f...</div></div> <div class="ttc" id="classafio__v2__xxx_1_1path__handle_html_a5cbd1d67ffe72d6cce0d093f861a4af7"><div class="ttname"><a href="classafio__v2__xxx_1_1path__handle.html#a5cbd1d67ffe72d6cce0d093f861a4af7">afio_v2_xxx::path_handle::path</a></div><div class="ttdeci">static result< path_handle > path(const path_handle &base, path_view_type _path) noexcept</div></div> <div class="ttc" id="classafio__v2__xxx_1_1file__handle_html_a7fdd164a8af6542c5fb80c514283c585"><div class="ttname"><a href="classafio__v2__xxx_1_1file__handle.html#a7fdd164a8af6542c5fb80c514283c585">afio_v2_xxx::file_handle::random_file</a></div><div class="ttdeci">static result< file_handle > random_file(const path_handle &dirpath, mode _mode=mode::write, caching _caching=caching::temporary, flag flags=flag::none) noexcept</div><div class="ttdef"><b>Definition:</b> file_handle.hpp:140</div></div> -<div class="ttc" id="classafio__v2__xxx_1_1handle_html_ab3d876f5996605158fd6a0582adadad6"><div class="ttname"><a href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">afio_v2_xxx::handle::flags</a></div><div class="ttdeci">flag flags() const noexcept</div><div class="ttdoc">The flags this handle was opened with. </div><div class="ttdef"><b>Definition:</b> handle.hpp:306</div></div> +<div class="ttc" id="classafio__v2__xxx_1_1handle_html_ab3d876f5996605158fd6a0582adadad6"><div class="ttname"><a href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">afio_v2_xxx::handle::flags</a></div><div class="ttdeci">flag flags() const noexcept</div><div class="ttdoc">The flags this handle was opened with. </div><div class="ttdef"><b>Definition:</b> handle.hpp:307</div></div> <div class="ttc" id="classafio__v2__xxx_1_1file__handle_html_a6f4e7c6e9768c0e853105b1d63bd9dfb"><div class="ttname"><a href="classafio__v2__xxx_1_1file__handle.html#a6f4e7c6e9768c0e853105b1d63bd9dfb">afio_v2_xxx::file_handle::file</a></div><div class="ttdeci">static result< file_handle > file(const path_handle &base, path_view_type _path, mode _mode=mode::read, creation _creation=creation::open_existing, caching _caching=caching::all, flag flags=flag::none) noexcept</div></div> </div><!-- fragment --> </div> @@ -1320,7 +1318,7 @@ For portability, you can only assume that barriers write order for a single hand </table> </div><div class="memdoc"> <p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p> -<div class="fragment"><div class="line"><a name="l00405"></a><span class="lineno"> 405</span> { <span class="keywordflow">return</span> <a class="code" href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">lock</a>(offset, bytes, exclusive, deadline(std::chrono::seconds(0))); }</div> +<div class="fragment"><div class="line"><a name="l00407"></a><span class="lineno"> 407</span> { <span class="keywordflow">return</span> <a class="code" href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">lock</a>(offset, bytes, exclusive, deadline(std::chrono::seconds(0))); }</div> <div class="ttc" id="classafio__v2__xxx_1_1io__handle_html_a88689b15e6e8b6ce1f945737dee4369e"><div class="ttname"><a href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">afio_v2_xxx::io_handle::lock</a></div><div class="ttdeci">virtual result< extent_guard > lock(extent_type offset, extent_type bytes, bool exclusive=true, deadline d=deadline()) noexcept</div><div class="ttdoc">Tries to lock the range of bytes specified for shared or exclusive access. Be aware this passes throu...</div></div> </div><!-- fragment --> </div> @@ -1436,7 +1434,7 @@ For portability, you can only assume that barriers write order for a single hand </div><div class="memdoc"> <p>Write data to the open handle. </p> -<dl class="section warning"><dt>Warning</dt><dd>Depending on the implementation backend, not all of the buffers input may be written and the some buffers at the end of the returned buffers may return with zero bytes written. For example, with a zeroed deadline, some backends may only consume as many buffers as the system has available write slots for, thus for those backends this call is "non-blocking" in the sense that it will return immediately even if it could not schedule a single buffer write.</dd></dl> +<dl class="section warning"><dt>Warning</dt><dd>Depending on the implementation backend, not all of the buffers input may be written and the some buffers at the end of the returned buffers may return with zero bytes written. For example, with a zeroed deadline, some backends may only consume as many buffers as the system has available write slots for, thus for those backends this call is "non-blocking" in the sense that it will return immediately even if it could not schedule a single buffer write. Another example is that some implementations will not auto-extend the length of a file when a write exceeds the maximum extent, you will need to issue a <code>truncate(newsize)</code> first.</dd></dl> <dl class="section return"><dt>Returns</dt><dd>The buffers written, which may not be the buffers input. The size of each scatter-gather buffer is updated with the number of bytes of that buffer transferred. </dd></dl> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> @@ -1494,12 +1492,12 @@ For portability, you can only assume that barriers write order for a single hand </table> </div><div class="memdoc"> <p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p> -<div class="fragment"><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  {</div> -<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  const_buffer_type _reqs[1] = {{data, bytes}};</div> -<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  io_request<const_buffers_type> reqs(<a class="code" href="classafio__v2__xxx_1_1io__handle.html#a639b8760b1b98df95e4956f6cc56f6b5">const_buffers_type</a>(_reqs), offset);</div> -<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  OUTCOME_TRY(v, <a class="code" href="classafio__v2__xxx_1_1io__handle.html#aefac4710e5617264347f437b04732c01">write</a>(reqs, d));</div> -<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="keywordflow">return</span> *v.data();</div> -<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  }</div> +<div class="fragment"><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  {</div> +<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  const_buffer_type _reqs[1] = {{data, bytes}};</div> +<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  io_request<const_buffers_type> reqs(<a class="code" href="classafio__v2__xxx_1_1io__handle.html#a639b8760b1b98df95e4956f6cc56f6b5">const_buffers_type</a>(_reqs), offset);</div> +<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  OUTCOME_TRY(v, <a class="code" href="classafio__v2__xxx_1_1io__handle.html#aefac4710e5617264347f437b04732c01">write</a>(reqs, d));</div> +<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keywordflow">return</span> *v.data();</div> +<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  }</div> <div class="ttc" id="classafio__v2__xxx_1_1io__handle_html_a639b8760b1b98df95e4956f6cc56f6b5"><div class="ttname"><a href="classafio__v2__xxx_1_1io__handle.html#a639b8760b1b98df95e4956f6cc56f6b5">afio_v2_xxx::io_handle::const_buffers_type</a></div><div class="ttdeci">span< const_buffer_type > const_buffers_type</div><div class="ttdoc">The gather buffers type used by this handle. Guaranteed to be TrivialType apart from construction...</div><div class="ttdef"><b>Definition:</b> io_handle.hpp:78</div></div> <div class="ttc" id="classafio__v2__xxx_1_1io__handle_html_aefac4710e5617264347f437b04732c01"><div class="ttname"><a href="classafio__v2__xxx_1_1io__handle.html#aefac4710e5617264347f437b04732c01">afio_v2_xxx::io_handle::write</a></div><div class="ttdeci">virtual io_result< const_buffers_type > write(io_request< const_buffers_type > reqs, deadline d=deadline()) noexcept</div><div class="ttdoc">Write data to the open handle. </div></div> </div><!-- fragment --> diff --git a/classafio__v2__xxx_1_1handle.html b/classafio__v2__xxx_1_1handle.html index 73b90e4c..2bda9f6d 100644 --- a/classafio__v2__xxx_1_1handle.html +++ b/classafio__v2__xxx_1_1handle.html @@ -386,18 +386,18 @@ std::ostream & </td><td class="memItemRight" valign="bottom"><b>operato <p>Cache reads and writes of data and metadata so they complete immediately, only sending any updates to storage on last handle close in the system or if memory becomes tight as this file is expected to be temporary (Windows and FreeBSD only). </p> </td></tr> </table> -<div class="fragment"><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  : <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> <span class="comment">// bit 0 set means safety fsyncs enabled</span></div> -<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  {</div> -<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  unchanged = 0,</div> -<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  none = 1, <span class="comment">//!< No caching whatsoever, all reads and writes come from storage (i.e. <tt>O_DIRECT|O_SYNC</tt>). Align all i/o to 4Kb boundaries for this to work. <tt>flag_disable_safety_fsyncs</tt> can be used here.</span></div> -<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="comment"></span> only_metadata = 2, <span class="comment">//!< Cache reads and writes of metadata but avoid caching data (<tt>O_DIRECT</tt>), thus i/o here does not affect other cached data for other handles. Align all i/o to 4Kb boundaries for this to work.</span></div> -<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="comment"></span> reads = 3, <span class="comment">//!< Cache reads only. Writes of data and metadata do not complete until reaching storage (<tt>O_SYNC</tt>). <tt>flag_disable_safety_fsyncs</tt> can be used here.</span></div> -<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="comment"></span> reads_and_metadata = 5, <span class="comment">//!< Cache reads and writes of metadata, but writes of data do not complete until reaching storage (<tt>O_DSYNC</tt>). <tt>flag_disable_safety_fsyncs</tt> can be used here.</span></div> -<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="comment"></span> all = 4, <span class="comment">//!< Cache reads and writes of data and metadata so they complete immediately, sending writes to storage at some point when the kernel decides (this is the default file system caching on a system).</span></div> -<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="comment"></span> safety_fsyncs = 7, <span class="comment">//!< Cache reads and writes of data and metadata so they complete immediately, but issue safety fsyncs at certain points. See documentation for <tt>flag_disable_safety_fsyncs</tt>.</span></div> -<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="comment"></span> temporary = 6 <span class="comment">//!< Cache reads and writes of data and metadata so they complete immediately, only sending any updates to storage on last handle close in the system or if memory becomes tight as this file is expected to be temporary (Windows and FreeBSD only).</span></div> -<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="comment"></span> <span class="comment">// NOTE: IF UPDATING THIS UPDATE THE std::ostream PRINTER BELOW!!!</span></div> -<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  };</div> +<div class="fragment"><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  : <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> <span class="comment">// bit 0 set means safety fsyncs enabled</span></div> +<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  {</div> +<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  unchanged = 0,</div> +<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  none = 1, <span class="comment">//!< No caching whatsoever, all reads and writes come from storage (i.e. <tt>O_DIRECT|O_SYNC</tt>). Align all i/o to 4Kb boundaries for this to work. <tt>flag_disable_safety_fsyncs</tt> can be used here.</span></div> +<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="comment"></span> only_metadata = 2, <span class="comment">//!< Cache reads and writes of metadata but avoid caching data (<tt>O_DIRECT</tt>), thus i/o here does not affect other cached data for other handles. Align all i/o to 4Kb boundaries for this to work.</span></div> +<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="comment"></span> reads = 3, <span class="comment">//!< Cache reads only. Writes of data and metadata do not complete until reaching storage (<tt>O_SYNC</tt>). <tt>flag_disable_safety_fsyncs</tt> can be used here.</span></div> +<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="comment"></span> reads_and_metadata = 5, <span class="comment">//!< Cache reads and writes of metadata, but writes of data do not complete until reaching storage (<tt>O_DSYNC</tt>). <tt>flag_disable_safety_fsyncs</tt> can be used here.</span></div> +<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="comment"></span> all = 4, <span class="comment">//!< Cache reads and writes of data and metadata so they complete immediately, sending writes to storage at some point when the kernel decides (this is the default file system caching on a system).</span></div> +<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="comment"></span> safety_fsyncs = 7, <span class="comment">//!< Cache reads and writes of data and metadata so they complete immediately, but issue safety fsyncs at certain points. See documentation for <tt>flag_disable_safety_fsyncs</tt>.</span></div> +<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="comment"></span> temporary = 6 <span class="comment">//!< Cache reads and writes of data and metadata so they complete immediately, only sending any updates to storage on last handle close in the system or if memory becomes tight as this file is expected to be temporary (Windows and FreeBSD only).</span></div> +<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="comment"></span> <span class="comment">// NOTE: IF UPDATING THIS UPDATE THE std::ostream PRINTER BELOW!!!</span></div> +<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  };</div> </div><!-- fragment --> </div> </div> @@ -425,14 +425,14 @@ std::ostream & </td><td class="memItemRight" valign="bottom"><b>operato <p>Atomically truncate on open, leaving creation date unmodified. </p> </td></tr> </table> -<div class="fragment"><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  : <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span></div> -<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  {</div> -<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  open_existing = 0,</div> -<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  only_if_not_exist,</div> -<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  if_needed,</div> -<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <a class="code" href="namespaceafio__v2__xxx.html#a84d22c966fcabe50de30ad8cf26c7241">truncate</a> <span class="comment">//!< Atomically truncate on open, leaving creation date unmodified.</span></div> -<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="comment"></span> <span class="comment">// NOTE: IF UPDATING THIS UPDATE THE std::ostream PRINTER BELOW!!!</span></div> -<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  };</div> +<div class="fragment"><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  : <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span></div> +<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  {</div> +<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  open_existing = 0,</div> +<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  only_if_not_exist,</div> +<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  if_needed,</div> +<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <a class="code" href="namespaceafio__v2__xxx.html#a84d22c966fcabe50de30ad8cf26c7241">truncate</a> <span class="comment">//!< Atomically truncate on open, leaving creation date unmodified.</span></div> +<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="comment"></span> <span class="comment">// NOTE: IF UPDATING THIS UPDATE THE std::ostream PRINTER BELOW!!!</span></div> +<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  };</div> <div class="ttc" id="namespaceafio__v2__xxx_html_a84d22c966fcabe50de30ad8cf26c7241"><div class="ttname"><a href="namespaceafio__v2__xxx.html#a84d22c966fcabe50de30ad8cf26c7241">afio_v2_xxx::truncate</a></div><div class="ttdeci">result< file_handle::extent_type > truncate(file_handle &self, file_handle::extent_type newsize) noexcept</div><div class="ttdef"><b>Definition:</b> file_handle.hpp:343</div></div> </div><!-- fragment --> </div> @@ -476,19 +476,19 @@ std::ostream & </td><td class="memItemRight" valign="bottom"><b>operato <p>All mainstream OSs and CIFS guarantee this is atomic with respect to all other appenders (FILE_APPEND_DATA|SYNCHRONISE or O_APPEND) </p> </td></tr> </table> -<div class="fragment"><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  : <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> <span class="comment">// bit 0 set means writable</span></div> -<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  {</div> -<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  unchanged = 0,</div> -<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  none = 2, <span class="comment">//!< No ability to read or write anything, but can synchronise (SYNCHRONIZE or 0)</span></div> -<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="comment"></span> attr_read = 4, <span class="comment">//!< Ability to read attributes (FILE_READ_ATTRIBUTES|SYNCHRONIZE or O_RDONLY)</span></div> -<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment"></span> attr_write = 5, <span class="comment">//!< Ability to read and write attributes (FILE_READ_ATTRIBUTES|FILE_WRITE_ATTRIBUTES|SYNCHRONIZE or O_RDONLY)</span></div> -<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="comment"></span> <a class="code" href="namespaceafio__v2__xxx.html#a3cff8f3910dbf47663e5df1dc7e5ba47">read</a> = 6, <span class="comment">//!< Ability to read (READ_CONTROL|FILE_READ_DATA|FILE_READ_ATTRIBUTES|FILE_READ_EA|SYNCHRONISE or O_RDONLY)</span></div> -<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="comment"></span> <a class="code" href="namespaceafio__v2__xxx.html#a2d15768d28ea660ebe44901508ed3372">write</a> = 7, <span class="comment">//!< Ability to read and write (READ_CONTROL|FILE_READ_DATA|FILE_READ_ATTRIBUTES|FILE_READ_EA|FILE_WRITE_DATA|FILE_WRITE_ATTRIBUTES|FILE_WRITE_EA|FILE_APPEND_DATA|SYNCHRONISE or O_RDWR)</span></div> -<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="comment"></span> append = 9 <span class="comment">//!< All mainstream OSs and CIFS guarantee this is atomic with respect to all other appenders (FILE_APPEND_DATA|SYNCHRONISE or O_APPEND)</span></div> -<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="comment"></span> <span class="comment">// NOTE: IF UPDATING THIS UPDATE THE std::ostream PRINTER BELOW!!!</span></div> -<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  };</div> -<div class="ttc" id="namespaceafio__v2__xxx_html_a3cff8f3910dbf47663e5df1dc7e5ba47"><div class="ttname"><a href="namespaceafio__v2__xxx.html#a3cff8f3910dbf47663e5df1dc7e5ba47">afio_v2_xxx::read</a></div><div class="ttdeci">io_handle::io_result< io_handle::buffers_type > read(io_handle &self, io_handle::io_request< io_handle::buffers_type > reqs, deadline d=deadline()) noexcept</div><div class="ttdoc">Read data from the open handle. </div><div class="ttdef"><b>Definition:</b> io_handle.hpp:463</div></div> -<div class="ttc" id="namespaceafio__v2__xxx_html_a2d15768d28ea660ebe44901508ed3372"><div class="ttname"><a href="namespaceafio__v2__xxx.html#a2d15768d28ea660ebe44901508ed3372">afio_v2_xxx::write</a></div><div class="ttdeci">io_handle::io_result< io_handle::const_buffers_type > write(io_handle &self, io_handle::io_request< io_handle::const_buffers_type > reqs, deadline d=deadline()) noexcept</div><div class="ttdoc">Write data to the open handle. </div><div class="ttdef"><b>Definition:</b> io_handle.hpp:487</div></div> +<div class="fragment"><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  : <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> <span class="comment">// bit 0 set means writable</span></div> +<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  {</div> +<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  unchanged = 0,</div> +<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  none = 2, <span class="comment">//!< No ability to read or write anything, but can synchronise (SYNCHRONIZE or 0)</span></div> +<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment"></span> attr_read = 4, <span class="comment">//!< Ability to read attributes (FILE_READ_ATTRIBUTES|SYNCHRONIZE or O_RDONLY)</span></div> +<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="comment"></span> attr_write = 5, <span class="comment">//!< Ability to read and write attributes (FILE_READ_ATTRIBUTES|FILE_WRITE_ATTRIBUTES|SYNCHRONIZE or O_RDONLY)</span></div> +<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="comment"></span> <a class="code" href="namespaceafio__v2__xxx.html#a3cff8f3910dbf47663e5df1dc7e5ba47">read</a> = 6, <span class="comment">//!< Ability to read (READ_CONTROL|FILE_READ_DATA|FILE_READ_ATTRIBUTES|FILE_READ_EA|SYNCHRONISE or O_RDONLY)</span></div> +<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="comment"></span> <a class="code" href="namespaceafio__v2__xxx.html#a2d15768d28ea660ebe44901508ed3372">write</a> = 7, <span class="comment">//!< Ability to read and write (READ_CONTROL|FILE_READ_DATA|FILE_READ_ATTRIBUTES|FILE_READ_EA|FILE_WRITE_DATA|FILE_WRITE_ATTRIBUTES|FILE_WRITE_EA|FILE_APPEND_DATA|SYNCHRONISE or O_RDWR)</span></div> +<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="comment"></span> append = 9 <span class="comment">//!< All mainstream OSs and CIFS guarantee this is atomic with respect to all other appenders (FILE_APPEND_DATA|SYNCHRONISE or O_APPEND)</span></div> +<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="comment"></span> <span class="comment">// NOTE: IF UPDATING THIS UPDATE THE std::ostream PRINTER BELOW!!!</span></div> +<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  };</div> +<div class="ttc" id="namespaceafio__v2__xxx_html_a3cff8f3910dbf47663e5df1dc7e5ba47"><div class="ttname"><a href="namespaceafio__v2__xxx.html#a3cff8f3910dbf47663e5df1dc7e5ba47">afio_v2_xxx::read</a></div><div class="ttdeci">io_handle::io_result< io_handle::buffers_type > read(io_handle &self, io_handle::io_request< io_handle::buffers_type > reqs, deadline d=deadline()) noexcept</div><div class="ttdoc">Read data from the open handle. </div><div class="ttdef"><b>Definition:</b> io_handle.hpp:465</div></div> +<div class="ttc" id="namespaceafio__v2__xxx_html_a2d15768d28ea660ebe44901508ed3372"><div class="ttname"><a href="namespaceafio__v2__xxx.html#a2d15768d28ea660ebe44901508ed3372">afio_v2_xxx::write</a></div><div class="ttdeci">io_handle::io_result< io_handle::const_buffers_type > write(io_handle &self, io_handle::io_request< io_handle::const_buffers_type > reqs, deadline d=deadline()) noexcept</div><div class="ttdoc">Write data to the open handle. </div><div class="ttdef"><b>Definition:</b> io_handle.hpp:489</div></div> </div><!-- fragment --> </div> </div> diff --git a/classafio__v2__xxx_1_1io__handle.html b/classafio__v2__xxx_1_1io__handle.html index 2e0d2d25..2367a22d 100644 --- a/classafio__v2__xxx_1_1io__handle.html +++ b/classafio__v2__xxx_1_1io__handle.html @@ -590,16 +590,16 @@ For portability, you can only assume that barriers write order for a single hand </table> </div><div class="memdoc"> <p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p> -<div class="fragment"><div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  {</div> -<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <span class="keywordtype">size_t</span> bytes = 0;</div> -<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  <span class="keywordflow">for</span>(<span class="keyword">auto</span> &i : reqs.buffers)</div> -<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  {</div> -<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="keywordflow">if</span>(bytes + i.len < bytes)</div> -<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  <span class="keywordflow">return</span> std::errc::value_too_large;</div> -<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  bytes += i.len;</div> -<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  }</div> -<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <span class="keywordflow">return</span> <a class="code" href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">lock</a>(reqs.offset, bytes, <span class="keyword">false</span>, std::move(d));</div> -<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  }</div> +<div class="fragment"><div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  {</div> +<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <span class="keywordtype">size_t</span> bytes = 0;</div> +<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="keywordflow">for</span>(<span class="keyword">auto</span> &i : reqs.buffers)</div> +<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  {</div> +<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  <span class="keywordflow">if</span>(bytes + i.len < bytes)</div> +<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <span class="keywordflow">return</span> std::errc::value_too_large;</div> +<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  bytes += i.len;</div> +<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  }</div> +<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <span class="keywordflow">return</span> <a class="code" href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">lock</a>(reqs.offset, bytes, <span class="keyword">false</span>, std::move(d));</div> +<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  }</div> <div class="ttc" id="classafio__v2__xxx_1_1io__handle_html_a88689b15e6e8b6ce1f945737dee4369e"><div class="ttname"><a href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">afio_v2_xxx::io_handle::lock</a></div><div class="ttdeci">virtual result< extent_guard > lock(extent_type offset, extent_type bytes, bool exclusive=true, deadline d=deadline()) noexcept</div><div class="ttdoc">Tries to lock the range of bytes specified for shared or exclusive access. Be aware this passes throu...</div></div> </div><!-- fragment --> </div> @@ -636,16 +636,16 @@ For portability, you can only assume that barriers write order for a single hand </table> </div><div class="memdoc"> <p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p> -<div class="fragment"><div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  {</div> -<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  <span class="keywordtype">size_t</span> bytes = 0;</div> -<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <span class="keywordflow">for</span>(<span class="keyword">auto</span> &i : reqs.buffers)</div> -<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  {</div> -<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keywordflow">if</span>(bytes + i.len < bytes)</div> -<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="keywordflow">return</span> std::errc::value_too_large;</div> -<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  bytes += i.len;</div> -<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  }</div> -<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="keywordflow">return</span> <a class="code" href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">lock</a>(reqs.offset, bytes, <span class="keyword">true</span>, std::move(d));</div> -<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  }</div> +<div class="fragment"><div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  {</div> +<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <span class="keywordtype">size_t</span> bytes = 0;</div> +<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keywordflow">for</span>(<span class="keyword">auto</span> &i : reqs.buffers)</div> +<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  {</div> +<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  <span class="keywordflow">if</span>(bytes + i.len < bytes)</div> +<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  <span class="keywordflow">return</span> std::errc::value_too_large;</div> +<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  bytes += i.len;</div> +<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  }</div> +<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  <span class="keywordflow">return</span> <a class="code" href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">lock</a>(reqs.offset, bytes, <span class="keyword">true</span>, std::move(d));</div> +<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  }</div> <div class="ttc" id="classafio__v2__xxx_1_1io__handle_html_a88689b15e6e8b6ce1f945737dee4369e"><div class="ttname"><a href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">afio_v2_xxx::io_handle::lock</a></div><div class="ttdeci">virtual result< extent_guard > lock(extent_type offset, extent_type bytes, bool exclusive=true, deadline d=deadline()) noexcept</div><div class="ttdoc">Tries to lock the range of bytes specified for shared or exclusive access. Be aware this passes throu...</div></div> </div><!-- fragment --> </div> @@ -874,7 +874,7 @@ For portability, you can only assume that barriers write order for a single hand </table> </div><div class="memdoc"> <p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p> -<div class="fragment"><div class="line"><a name="l00405"></a><span class="lineno"> 405</span> { <span class="keywordflow">return</span> <a class="code" href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">lock</a>(offset, bytes, exclusive, deadline(std::chrono::seconds(0))); }</div> +<div class="fragment"><div class="line"><a name="l00407"></a><span class="lineno"> 407</span> { <span class="keywordflow">return</span> <a class="code" href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">lock</a>(offset, bytes, exclusive, deadline(std::chrono::seconds(0))); }</div> <div class="ttc" id="classafio__v2__xxx_1_1io__handle_html_a88689b15e6e8b6ce1f945737dee4369e"><div class="ttname"><a href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">afio_v2_xxx::io_handle::lock</a></div><div class="ttdeci">virtual result< extent_guard > lock(extent_type offset, extent_type bytes, bool exclusive=true, deadline d=deadline()) noexcept</div><div class="ttdoc">Tries to lock the range of bytes specified for shared or exclusive access. Be aware this passes throu...</div></div> </div><!-- fragment --> </div> @@ -957,7 +957,7 @@ For portability, you can only assume that barriers write order for a single hand </div><div class="memdoc"> <p>Write data to the open handle. </p> -<dl class="section warning"><dt>Warning</dt><dd>Depending on the implementation backend, not all of the buffers input may be written and the some buffers at the end of the returned buffers may return with zero bytes written. For example, with a zeroed deadline, some backends may only consume as many buffers as the system has available write slots for, thus for those backends this call is "non-blocking" in the sense that it will return immediately even if it could not schedule a single buffer write.</dd></dl> +<dl class="section warning"><dt>Warning</dt><dd>Depending on the implementation backend, not all of the buffers input may be written and the some buffers at the end of the returned buffers may return with zero bytes written. For example, with a zeroed deadline, some backends may only consume as many buffers as the system has available write slots for, thus for those backends this call is "non-blocking" in the sense that it will return immediately even if it could not schedule a single buffer write. Another example is that some implementations will not auto-extend the length of a file when a write exceeds the maximum extent, you will need to issue a <code>truncate(newsize)</code> first.</dd></dl> <dl class="section return"><dt>Returns</dt><dd>The buffers written, which may not be the buffers input. The size of each scatter-gather buffer is updated with the number of bytes of that buffer transferred. </dd></dl> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> @@ -1015,12 +1015,12 @@ For portability, you can only assume that barriers write order for a single hand </table> </div><div class="memdoc"> <p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p> -<div class="fragment"><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  {</div> -<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  const_buffer_type _reqs[1] = {{data, bytes}};</div> -<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  io_request<const_buffers_type> reqs(<a class="code" href="classafio__v2__xxx_1_1io__handle.html#a639b8760b1b98df95e4956f6cc56f6b5">const_buffers_type</a>(_reqs), offset);</div> -<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  OUTCOME_TRY(v, <a class="code" href="classafio__v2__xxx_1_1io__handle.html#aefac4710e5617264347f437b04732c01">write</a>(reqs, d));</div> -<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="keywordflow">return</span> *v.data();</div> -<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  }</div> +<div class="fragment"><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  {</div> +<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  const_buffer_type _reqs[1] = {{data, bytes}};</div> +<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  io_request<const_buffers_type> reqs(<a class="code" href="classafio__v2__xxx_1_1io__handle.html#a639b8760b1b98df95e4956f6cc56f6b5">const_buffers_type</a>(_reqs), offset);</div> +<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  OUTCOME_TRY(v, <a class="code" href="classafio__v2__xxx_1_1io__handle.html#aefac4710e5617264347f437b04732c01">write</a>(reqs, d));</div> +<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keywordflow">return</span> *v.data();</div> +<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  }</div> <div class="ttc" id="classafio__v2__xxx_1_1io__handle_html_a639b8760b1b98df95e4956f6cc56f6b5"><div class="ttname"><a href="classafio__v2__xxx_1_1io__handle.html#a639b8760b1b98df95e4956f6cc56f6b5">afio_v2_xxx::io_handle::const_buffers_type</a></div><div class="ttdeci">span< const_buffer_type > const_buffers_type</div><div class="ttdoc">The gather buffers type used by this handle. Guaranteed to be TrivialType apart from construction...</div><div class="ttdef"><b>Definition:</b> io_handle.hpp:78</div></div> <div class="ttc" id="classafio__v2__xxx_1_1io__handle_html_aefac4710e5617264347f437b04732c01"><div class="ttname"><a href="classafio__v2__xxx_1_1io__handle.html#aefac4710e5617264347f437b04732c01">afio_v2_xxx::io_handle::write</a></div><div class="ttdeci">virtual io_result< const_buffers_type > write(io_request< const_buffers_type > reqs, deadline d=deadline()) noexcept</div><div class="ttdoc">Write data to the open handle. </div></div> </div><!-- fragment --> diff --git a/classafio__v2__xxx_1_1map__handle-members.html b/classafio__v2__xxx_1_1map__handle-members.html index 2e208a69..20f8b6d7 100644 --- a/classafio__v2__xxx_1_1map__handle-members.html +++ b/classafio__v2__xxx_1_1map__handle-members.html @@ -193,17 +193,18 @@ $(document).ready(function(){initNavTree('classafio__v2__xxx_1_1map__handle.html <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1map__handle.html#ab8a43a5388161f629fef5ee7256dbbc8">section</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1map__handle.html">afio_v2_xxx::map_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#af1610ec7fb0a41f039e3e17e0dc467ab">set_append_only</a>(bool enable) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#ad90f8264470763069256ae9eeda45e69">set_kernel_caching</a>(caching caching) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> - <tr bgcolor="#f0f0f0" class="even"><td class="entry"><b>size_type</b> typedef (defined in <a class="el" href="classafio__v2__xxx_1_1map__handle.html">afio_v2_xxx::map_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1map__handle.html">afio_v2_xxx::map_handle</a></td><td class="entry"></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1map__handle.html#a295685127f9dacc561b5f9600d82fad5">swap</a>(map_handle &o) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1map__handle.html">afio_v2_xxx::map_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a657c12a309cf02bf2351bfcc7f41463b">afio_v2_xxx::io_handle::swap</a>(handle &o) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html#a0a1c4773b9fa7bbd04fee0756075d319">try_lock</a>(extent_type offset, extent_type bytes, bool exclusive=true) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html">afio_v2_xxx::io_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html#a96b9da71ee7791fbaaa2470c936ec763">unlock</a>(extent_type offset, extent_type bytes) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html">afio_v2_xxx::io_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1map__handle.html#a162d844e3dfcfcfad698a404bd55ef04">write</a>(io_request< const_buffers_type > reqs, deadline d=deadline()) noexceptoverride</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1map__handle.html">afio_v2_xxx::map_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html#aefac4710e5617264347f437b04732c01">afio_v2_xxx::io_handle::write</a>(io_request< const_buffers_type > reqs, deadline d=deadline()) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html">afio_v2_xxx::io_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html#ab26a3c5a18cdcc67a506533dbe55e2b3">afio_v2_xxx::io_handle::write</a>(extent_type offset, const char *data, size_type bytes, deadline d=deadline()) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html">afio_v2_xxx::io_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1map__handle.html#ac35a85e8a6cca721640ddc6b5008e145">zero_memory</a>(buffer_type region) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1map__handle.html">afio_v2_xxx::map_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr bgcolor="#f0f0f0"><td class="entry"><b>~handle</b>() (defined in <a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> - <tr bgcolor="#f0f0f0" class="even"><td class="entry"><b>~map_handle</b>() (defined in <a class="el" href="classafio__v2__xxx_1_1map__handle.html">afio_v2_xxx::map_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1map__handle.html">afio_v2_xxx::map_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1map__handle.html#a127eef4449f6afcddbdb684030776868">set_section</a>(section_handle *s) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1map__handle.html">afio_v2_xxx::map_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr bgcolor="#f0f0f0"><td class="entry"><b>size_type</b> typedef (defined in <a class="el" href="classafio__v2__xxx_1_1map__handle.html">afio_v2_xxx::map_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1map__handle.html">afio_v2_xxx::map_handle</a></td><td class="entry"></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1map__handle.html#a295685127f9dacc561b5f9600d82fad5">swap</a>(map_handle &o) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1map__handle.html">afio_v2_xxx::map_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a657c12a309cf02bf2351bfcc7f41463b">afio_v2_xxx::io_handle::swap</a>(handle &o) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html#a0a1c4773b9fa7bbd04fee0756075d319">try_lock</a>(extent_type offset, extent_type bytes, bool exclusive=true) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html">afio_v2_xxx::io_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html#a96b9da71ee7791fbaaa2470c936ec763">unlock</a>(extent_type offset, extent_type bytes) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html">afio_v2_xxx::io_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1map__handle.html#a162d844e3dfcfcfad698a404bd55ef04">write</a>(io_request< const_buffers_type > reqs, deadline d=deadline()) noexceptoverride</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1map__handle.html">afio_v2_xxx::map_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html#aefac4710e5617264347f437b04732c01">afio_v2_xxx::io_handle::write</a>(io_request< const_buffers_type > reqs, deadline d=deadline()) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html">afio_v2_xxx::io_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html#ab26a3c5a18cdcc67a506533dbe55e2b3">afio_v2_xxx::io_handle::write</a>(extent_type offset, const char *data, size_type bytes, deadline d=deadline()) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html">afio_v2_xxx::io_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1map__handle.html#ac35a85e8a6cca721640ddc6b5008e145">zero_memory</a>(buffer_type region) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1map__handle.html">afio_v2_xxx::map_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr bgcolor="#f0f0f0" class="even"><td class="entry"><b>~handle</b>() (defined in <a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> + <tr bgcolor="#f0f0f0"><td class="entry"><b>~map_handle</b>() (defined in <a class="el" href="classafio__v2__xxx_1_1map__handle.html">afio_v2_xxx::map_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1map__handle.html">afio_v2_xxx::map_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> </table></div><!-- contents --> </div><!-- doc-content --> <!-- start footer part --> diff --git a/classafio__v2__xxx_1_1map__handle.html b/classafio__v2__xxx_1_1map__handle.html index 989290fb..54f15b23 100644 --- a/classafio__v2__xxx_1_1map__handle.html +++ b/classafio__v2__xxx_1_1map__handle.html @@ -211,6 +211,10 @@ virtual <a class="el" href="structafio__v2__xxx_1_1io__handle_1_1io__result.html <a class="el" href="classafio__v2__xxx_1_1section__handle.html">section_handle</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1map__handle.html#ab8a43a5388161f629fef5ee7256dbbc8">section</a> () const noexcept</td></tr> <tr class="memdesc:ab8a43a5388161f629fef5ee7256dbbc8"><td class="mdescLeft"> </td><td class="mdescRight">The memory section this handle is using. <br/></td></tr> <tr class="separator:ab8a43a5388161f629fef5ee7256dbbc8"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:a127eef4449f6afcddbdb684030776868"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a127eef4449f6afcddbdb684030776868"></a> +void </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1map__handle.html#a127eef4449f6afcddbdb684030776868">set_section</a> (<a class="el" href="classafio__v2__xxx_1_1section__handle.html">section_handle</a> *s) noexcept</td></tr> +<tr class="memdesc:a127eef4449f6afcddbdb684030776868"><td class="mdescLeft"> </td><td class="mdescRight">Sets the memory section this handle is using. <br/></td></tr> +<tr class="separator:a127eef4449f6afcddbdb684030776868"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a1e9273d0c6aca7da6480437f6cf6638a"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a1e9273d0c6aca7da6480437f6cf6638a"></a> char * </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1map__handle.html#a1e9273d0c6aca7da6480437f6cf6638a">address</a> () const noexcept</td></tr> <tr class="memdesc:a1e9273d0c6aca7da6480437f6cf6638a"><td class="mdescLeft"> </td><td class="mdescRight">The address in memory where this mapped view resides. <br/></td></tr> @@ -655,16 +659,16 @@ For portability, you can only assume that barriers write order for a single hand </table> </div><div class="memdoc"> <p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p> -<div class="fragment"><div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  {</div> -<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <span class="keywordtype">size_t</span> bytes = 0;</div> -<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  <span class="keywordflow">for</span>(<span class="keyword">auto</span> &i : reqs.buffers)</div> -<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  {</div> -<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="keywordflow">if</span>(bytes + i.len < bytes)</div> -<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  <span class="keywordflow">return</span> std::errc::value_too_large;</div> -<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  bytes += i.len;</div> -<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  }</div> -<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <span class="keywordflow">return</span> <a class="code" href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">lock</a>(reqs.offset, bytes, <span class="keyword">false</span>, std::move(d));</div> -<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  }</div> +<div class="fragment"><div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  {</div> +<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <span class="keywordtype">size_t</span> bytes = 0;</div> +<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="keywordflow">for</span>(<span class="keyword">auto</span> &i : reqs.buffers)</div> +<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  {</div> +<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  <span class="keywordflow">if</span>(bytes + i.len < bytes)</div> +<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <span class="keywordflow">return</span> std::errc::value_too_large;</div> +<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  bytes += i.len;</div> +<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  }</div> +<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <span class="keywordflow">return</span> <a class="code" href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">lock</a>(reqs.offset, bytes, <span class="keyword">false</span>, std::move(d));</div> +<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  }</div> <div class="ttc" id="classafio__v2__xxx_1_1io__handle_html_a88689b15e6e8b6ce1f945737dee4369e"><div class="ttname"><a href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">afio_v2_xxx::io_handle::lock</a></div><div class="ttdeci">virtual result< extent_guard > lock(extent_type offset, extent_type bytes, bool exclusive=true, deadline d=deadline()) noexcept</div><div class="ttdoc">Tries to lock the range of bytes specified for shared or exclusive access. Be aware this passes throu...</div></div> </div><!-- fragment --> </div> @@ -701,16 +705,16 @@ For portability, you can only assume that barriers write order for a single hand </table> </div><div class="memdoc"> <p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p> -<div class="fragment"><div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  {</div> -<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  <span class="keywordtype">size_t</span> bytes = 0;</div> -<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <span class="keywordflow">for</span>(<span class="keyword">auto</span> &i : reqs.buffers)</div> -<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  {</div> -<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keywordflow">if</span>(bytes + i.len < bytes)</div> -<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="keywordflow">return</span> std::errc::value_too_large;</div> -<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  bytes += i.len;</div> -<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  }</div> -<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="keywordflow">return</span> <a class="code" href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">lock</a>(reqs.offset, bytes, <span class="keyword">true</span>, std::move(d));</div> -<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  }</div> +<div class="fragment"><div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  {</div> +<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <span class="keywordtype">size_t</span> bytes = 0;</div> +<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keywordflow">for</span>(<span class="keyword">auto</span> &i : reqs.buffers)</div> +<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  {</div> +<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  <span class="keywordflow">if</span>(bytes + i.len < bytes)</div> +<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  <span class="keywordflow">return</span> std::errc::value_too_large;</div> +<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  bytes += i.len;</div> +<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  }</div> +<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  <span class="keywordflow">return</span> <a class="code" href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">lock</a>(reqs.offset, bytes, <span class="keyword">true</span>, std::move(d));</div> +<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  }</div> <div class="ttc" id="classafio__v2__xxx_1_1io__handle_html_a88689b15e6e8b6ce1f945737dee4369e"><div class="ttname"><a href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">afio_v2_xxx::io_handle::lock</a></div><div class="ttdeci">virtual result< extent_guard > lock(extent_type offset, extent_type bytes, bool exclusive=true, deadline d=deadline()) noexcept</div><div class="ttdoc">Tries to lock the range of bytes specified for shared or exclusive access. Be aware this passes throu...</div></div> </div><!-- fragment --> </div> @@ -866,10 +870,10 @@ For portability, you can only assume that barriers write order for a single hand </table> </div><div class="memdoc"> <p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p> -<div class="fragment"><div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  {</div> -<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  OUTCOME_TRY(ret, <a class="code" href="classafio__v2__xxx_1_1map__handle.html#ae16cb0af9b96f90f87f42318f7d35e65">prefetch</a>(span<buffer_type>(&region, 1)));</div> -<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <span class="keywordflow">return</span> *ret.data();</div> -<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  }</div> +<div class="fragment"><div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  {</div> +<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  OUTCOME_TRY(ret, <a class="code" href="classafio__v2__xxx_1_1map__handle.html#ae16cb0af9b96f90f87f42318f7d35e65">prefetch</a>(span<buffer_type>(&region, 1)));</div> +<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="keywordflow">return</span> *ret.data();</div> +<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  }</div> <div class="ttc" id="classafio__v2__xxx_1_1map__handle_html_ae16cb0af9b96f90f87f42318f7d35e65"><div class="ttname"><a href="classafio__v2__xxx_1_1map__handle.html#ae16cb0af9b96f90f87f42318f7d35e65">afio_v2_xxx::map_handle::prefetch</a></div><div class="ttdeci">static result< span< buffer_type > > prefetch(span< buffer_type > regions) noexcept</div><div class="ttdoc">Ask the system to begin to asynchronously prefetch the span of memory regions given, returning the regions actually prefetched. Note that on Windows 7 or earlier the system call to implement this was not available, and so you will see an empty span returned. </div></div> </div><!-- fragment --> </div> @@ -1117,7 +1121,7 @@ For portability, you can only assume that barriers write order for a single hand </table> </div><div class="memdoc"> <p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p> -<div class="fragment"><div class="line"><a name="l00405"></a><span class="lineno"> 405</span> { <span class="keywordflow">return</span> <a class="code" href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">lock</a>(offset, bytes, exclusive, deadline(std::chrono::seconds(0))); }</div> +<div class="fragment"><div class="line"><a name="l00407"></a><span class="lineno"> 407</span> { <span class="keywordflow">return</span> <a class="code" href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">lock</a>(offset, bytes, exclusive, deadline(std::chrono::seconds(0))); }</div> <div class="ttc" id="classafio__v2__xxx_1_1io__handle_html_a88689b15e6e8b6ce1f945737dee4369e"><div class="ttname"><a href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">afio_v2_xxx::io_handle::lock</a></div><div class="ttdeci">virtual result< extent_guard > lock(extent_type offset, extent_type bytes, bool exclusive=true, deadline d=deadline()) noexcept</div><div class="ttdoc">Tries to lock the range of bytes specified for shared or exclusive access. Be aware this passes throu...</div></div> </div><!-- fragment --> </div> @@ -1200,7 +1204,7 @@ For portability, you can only assume that barriers write order for a single hand </div><div class="memdoc"> <p>Write data to the open handle. </p> -<dl class="section warning"><dt>Warning</dt><dd>Depending on the implementation backend, not all of the buffers input may be written and the some buffers at the end of the returned buffers may return with zero bytes written. For example, with a zeroed deadline, some backends may only consume as many buffers as the system has available write slots for, thus for those backends this call is "non-blocking" in the sense that it will return immediately even if it could not schedule a single buffer write.</dd></dl> +<dl class="section warning"><dt>Warning</dt><dd>Depending on the implementation backend, not all of the buffers input may be written and the some buffers at the end of the returned buffers may return with zero bytes written. For example, with a zeroed deadline, some backends may only consume as many buffers as the system has available write slots for, thus for those backends this call is "non-blocking" in the sense that it will return immediately even if it could not schedule a single buffer write. Another example is that some implementations will not auto-extend the length of a file when a write exceeds the maximum extent, you will need to issue a <code>truncate(newsize)</code> first.</dd></dl> <dl class="section return"><dt>Returns</dt><dd>The buffers written, which may not be the buffers input. The size of each scatter-gather buffer is updated with the number of bytes of that buffer transferred. </dd></dl> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> @@ -1258,12 +1262,12 @@ For portability, you can only assume that barriers write order for a single hand </table> </div><div class="memdoc"> <p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p> -<div class="fragment"><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  {</div> -<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  const_buffer_type _reqs[1] = {{data, bytes}};</div> -<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  io_request<const_buffers_type> reqs(<a class="code" href="classafio__v2__xxx_1_1io__handle.html#a639b8760b1b98df95e4956f6cc56f6b5">const_buffers_type</a>(_reqs), offset);</div> -<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  OUTCOME_TRY(v, <a class="code" href="classafio__v2__xxx_1_1io__handle.html#aefac4710e5617264347f437b04732c01">write</a>(reqs, d));</div> -<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="keywordflow">return</span> *v.data();</div> -<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  }</div> +<div class="fragment"><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  {</div> +<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  const_buffer_type _reqs[1] = {{data, bytes}};</div> +<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  io_request<const_buffers_type> reqs(<a class="code" href="classafio__v2__xxx_1_1io__handle.html#a639b8760b1b98df95e4956f6cc56f6b5">const_buffers_type</a>(_reqs), offset);</div> +<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  OUTCOME_TRY(v, <a class="code" href="classafio__v2__xxx_1_1io__handle.html#aefac4710e5617264347f437b04732c01">write</a>(reqs, d));</div> +<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keywordflow">return</span> *v.data();</div> +<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  }</div> <div class="ttc" id="classafio__v2__xxx_1_1io__handle_html_a639b8760b1b98df95e4956f6cc56f6b5"><div class="ttname"><a href="classafio__v2__xxx_1_1io__handle.html#a639b8760b1b98df95e4956f6cc56f6b5">afio_v2_xxx::io_handle::const_buffers_type</a></div><div class="ttdeci">span< const_buffer_type > const_buffers_type</div><div class="ttdoc">The gather buffers type used by this handle. Guaranteed to be TrivialType apart from construction...</div><div class="ttdef"><b>Definition:</b> io_handle.hpp:78</div></div> <div class="ttc" id="classafio__v2__xxx_1_1io__handle_html_aefac4710e5617264347f437b04732c01"><div class="ttname"><a href="classafio__v2__xxx_1_1io__handle.html#aefac4710e5617264347f437b04732c01">afio_v2_xxx::io_handle::write</a></div><div class="ttdeci">virtual io_result< const_buffers_type > write(io_request< const_buffers_type > reqs, deadline d=deadline()) noexcept</div><div class="ttdoc">Write data to the open handle. </div></div> </div><!-- fragment --> diff --git a/classafio__v2__xxx_1_1map__handle.js b/classafio__v2__xxx_1_1map__handle.js index 1639e94c..68922e36 100644 --- a/classafio__v2__xxx_1_1map__handle.js +++ b/classafio__v2__xxx_1_1map__handle.js @@ -59,6 +59,7 @@ var classafio__v2__xxx_1_1map__handle = [ "section", "classafio__v2__xxx_1_1map__handle.html#ab8a43a5388161f629fef5ee7256dbbc8", null ], [ "set_append_only", "classafio__v2__xxx_1_1map__handle.html#af1610ec7fb0a41f039e3e17e0dc467ab", null ], [ "set_kernel_caching", "classafio__v2__xxx_1_1map__handle.html#ad90f8264470763069256ae9eeda45e69", null ], + [ "set_section", "classafio__v2__xxx_1_1map__handle.html#a127eef4449f6afcddbdb684030776868", null ], [ "swap", "classafio__v2__xxx_1_1map__handle.html#a657c12a309cf02bf2351bfcc7f41463b", null ], [ "swap", "classafio__v2__xxx_1_1map__handle.html#a295685127f9dacc561b5f9600d82fad5", null ], [ "try_lock", "classafio__v2__xxx_1_1map__handle.html#a0a1c4773b9fa7bbd04fee0756075d319", null ], diff --git a/classafio__v2__xxx_1_1mapped__file__handle-members.html b/classafio__v2__xxx_1_1mapped__file__handle-members.html index d67b6aa4..0ac802d0 100644 --- a/classafio__v2__xxx_1_1mapped__file__handle-members.html +++ b/classafio__v2__xxx_1_1mapped__file__handle-members.html @@ -119,97 +119,101 @@ $(document).ready(function(){initNavTree('classafio__v2__xxx_1_1mapped__file__ha <tr bgcolor="#f0f0f0"><td class="entry"><b>_flags</b> (defined in <a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">protected</span></td></tr> <tr bgcolor="#f0f0f0" class="even"><td class="entry"><b>_inode</b> (defined in <a class="el" href="classafio__v2__xxx_1_1fs__handle.html">afio_v2_xxx::fs_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html">afio_v2_xxx::fs_handle</a></td><td class="entry"><span class="mlabel">protected</span></td></tr> <tr bgcolor="#f0f0f0"><td class="entry"><b>_mh</b> (defined in <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">protected</span></td></tr> - <tr bgcolor="#f0f0f0" class="even"><td class="entry"><b>_service</b> (defined in <a class="el" href="classafio__v2__xxx_1_1file__handle.html">afio_v2_xxx::file_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1file__handle.html">afio_v2_xxx::file_handle</a></td><td class="entry"><span class="mlabel">protected</span></td></tr> - <tr bgcolor="#f0f0f0"><td class="entry"><b>_sh</b> (defined in <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">protected</span></td></tr> - <tr bgcolor="#f0f0f0" class="even"><td class="entry"><b>_v</b> (defined in <a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">protected</span></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#adca505e51ea006ffa59e3673ea0a9853">address</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a71137cb82edd9a1bcb24f64886b5826d">are_reads_from_cache</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a3fc7db93fac699f5ecad453642ed314e">are_safety_fsyncs_issued</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a97ffbbf53f51549549efef0b49e125dc">are_writes_durable</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr bgcolor="#f0f0f0"><td class="entry"><b>barrier</b>(io_request< const_buffers_type > reqs=io_request< const_buffers_type >(), bool wait_for_device=false, bool and_metadata=false, deadline d=deadline()) noexceptoverride (defined in <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html#a243156928e89b8988a1412f211b3b603">afio_v2_xxx::io_handle::barrier</a>(io_request< const_buffers_type > reqs=io_request< const_buffers_type >(), bool wait_for_device=false, bool and_metadata=false, deadline d=deadline()) noexcept=0</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html">afio_v2_xxx::io_handle</a></td><td class="entry"><span class="mlabel">pure virtual</span></td></tr> - <tr bgcolor="#f0f0f0"><td class="entry"><b>buffer_type</b> typedef (defined in <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"></td></tr> - <tr bgcolor="#f0f0f0" class="even"><td class="entry"><b>buffers_type</b> typedef (defined in <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"></td></tr> - <tr bgcolor="#f0f0f0"><td class="entry"><b>caching</b> typedef (defined in <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#ab37c9af33f662fa5e4cbfc1dff155607">clone</a>() const noexceptoverride</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#a78e774267e805fcb88e384d5ba09960f">close</a>() noexceptoverride</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> - <tr bgcolor="#f0f0f0" class="even"><td class="entry"><b>const_buffer_type</b> typedef (defined in <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"></td></tr> - <tr bgcolor="#f0f0f0"><td class="entry"><b>const_buffers_type</b> typedef (defined in <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"></td></tr> - <tr bgcolor="#f0f0f0" class="even"><td class="entry"><b>creation</b> typedef (defined in <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a616a67222676af5ec5b3aa94d7c02428">current_path</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> - <tr bgcolor="#f0f0f0" class="even"><td class="entry"><b>dev_t</b> typedef (defined in <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"></td></tr> - <tr bgcolor="#f0f0f0"><td class="entry"><b>extent_type</b> typedef (defined in <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1file__handle.html#a03d1774e3ad8678fb4aac4ced57beeef">extents</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1file__handle.html">afio_v2_xxx::file_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1file__handle.html#a6f4e7c6e9768c0e853105b1d63bd9dfb">file</a>(const path_handle &base, path_view_type _path, mode _mode=mode::read, creation _creation=creation::open_existing, caching _caching=caching::all, flag flags=flag::none) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1file__handle.html">afio_v2_xxx::file_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">static</span></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1file__handle.html#a962eb1411083ca9b2250fe40a9259354">file_handle</a>()</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1file__handle.html">afio_v2_xxx::file_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1file__handle.html#ab1f64547bfc4ee74e6019729aaf25703">file_handle</a>(native_handle_type h, dev_t devid, ino_t inode, caching caching=caching::none, flag flags=flag::none)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1file__handle.html">afio_v2_xxx::file_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1file__handle.html#a42313f9ac61c825800d07a33a92679ba">file_handle</a>(file_handle &&o) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1file__handle.html">afio_v2_xxx::file_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1file__handle.html#a7aed1b9a1601502a692d27d8f3997b64">file_handle</a>(handle &&o, dev_t devid, ino_t inode) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1file__handle.html">afio_v2_xxx::file_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">explicit</span></td></tr> - <tr bgcolor="#f0f0f0" class="even"><td class="entry"><b>flag</b> typedef (defined in <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">flags</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html#a73339904321a53bf0ef493ecf2927d44">fs_handle</a>()</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html">afio_v2_xxx::fs_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">protected</span></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html#a45eb2220cdefa846fdb103d12a5ce485">afio_v2_xxx::fs_handle::fs_handle</a>(dev_t devid, ino_t inode)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html">afio_v2_xxx::fs_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">protected</span></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html#a274f5d82e11f92ed62e05919076508b8">afio_v2_xxx::fs_handle::fs_handle</a>(const fs_handle &)=delete</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html">afio_v2_xxx::fs_handle</a></td><td class="entry"><span class="mlabel">protected</span></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html#a10d68d2506b9d587e7cad8485fef9637">afio_v2_xxx::fs_handle::fs_handle</a>(fs_handle &&o) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html">afio_v2_xxx::fs_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">protected</span></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a4fde7971dcae5e5f3d10bf95680ae3fa">handle</a>() noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a8f029c40e700b01622f9b0c4126204a8">handle</a>(native_handle_type h, caching caching=caching::none, flag flags=flag::none) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">explicit</span></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a593405e371cb4012c780907bd2e1fc55">handle</a>(const handle &)=delete</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a740bdf3eb7cd766ca09e1bffb258e63a">handle</a>(handle &&o) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr bgcolor="#f0f0f0" class="even"><td class="entry"><b>ino_t</b> typedef (defined in <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html#a2da2f177b841701a840a8191a79dd1d4">io_handle</a>()=default</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html">afio_v2_xxx::io_handle</a></td><td class="entry"></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html#a5e4f43f6ce4820bc483404c02fa52c5a">io_handle</a>(native_handle_type h, caching caching=caching::none, flag flags=flag::none)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html">afio_v2_xxx::io_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html#a1e64e30fe37476a7ac55ae73ee743b7e">io_handle</a>(handle &&o) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html">afio_v2_xxx::io_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">explicit</span></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html#a0cb380330b99ebe79ebceaa04f476d2e">io_handle</a>(io_handle &&)=default</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html">afio_v2_xxx::io_handle</a></td><td class="entry"></td></tr> - <tr bgcolor="#f0f0f0"><td class="entry"><b>io_request</b> typedef (defined in <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"></td></tr> - <tr bgcolor="#f0f0f0" class="even"><td class="entry"><b>io_result</b> typedef (defined in <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#ae33d4d0faa1377cd371bd6a0ae0769ae">is_append_only</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#aa53d88105df8c6be01be649829a65b14">is_directory</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#ab790af4654f5455d8c5e1f1d397543ca">is_multiplexer</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#af42904dd49b5517a303e7cb256eae939">is_overlapped</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#ad02958278a0d92e4ec4fb864ba1eb35b">is_process</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a349e001cbe359d4e7a8f066c69e9361e">is_readable</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a526c300d421155ccc071b04db4bca65d">is_regular</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#ac5b2859fabe04dbfc37020daed618257">is_section</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#aac62f621c42be6eeb8d9a5700da367f9">is_seekable</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a3c777f045dc2b0248b891d6e7811d152">is_symlink</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a4194a05dd9694d2c47d5a45f925db1d7">is_valid</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a5be9a526bc5c1be758b0cfc36a262f6e">is_writable</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a00f42a44de714feb3ed86dd0a175e69c">kernel_caching</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#ad9f3e51710bff40a4237f08feb9c4a63">length</a>() const noexceptoverride</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">lock</a>(extent_type offset, extent_type bytes, bool exclusive=true, deadline d=deadline()) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html">afio_v2_xxx::io_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html#ad44dcd9c7ca9e7a094dd1bc7c8aa4897">lock</a>(io_request< buffers_type > reqs, deadline d=deadline()) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html">afio_v2_xxx::io_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html#aeabd245b6edcfb57779b29c6f2ea9737">lock</a>(io_request< const_buffers_type > reqs, deadline d=deadline()) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html">afio_v2_xxx::io_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#aa7fe74ccbf2fc255897bacaa6c41d319">map</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#a767caa74d636805d0986adc59b70060c">map</a>() noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#aedf10997693cf088cf9d67720c4defe1">mapped_file</a>(size_type reservation, const path_handle &base, path_view_type _path, mode _mode=mode::read, creation _creation=creation::open_existing, caching _caching=caching::all, flag flags=flag::none) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">static</span></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#a1bb7ab6d64156732e0e6c26c47fbbf77">mapped_file</a>(const path_handle &base, path_view_type _path, mode _mode=mode::read, creation _creation=creation::open_existing, caching _caching=caching::all, flag flags=flag::none) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">static</span></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#a5f3f5dd54b5c2cc9810621c05a6171f6">mapped_file_handle</a>()=default</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#acfb095539345cd3ab37a6bbf379ac434">mapped_file_handle</a>(native_handle_type h, dev_t devid, ino_t inode, caching caching=caching::none, flag flags=flag::none)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#a01972772c9b438cc489325d34350257c">mapped_file_handle</a>(mapped_file_handle &&o) noexcept=default</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"></td></tr> + <tr bgcolor="#f0f0f0" class="even"><td class="entry"><b>_reservation</b> (defined in <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">protected</span></td></tr> + <tr bgcolor="#f0f0f0"><td class="entry"><b>_service</b> (defined in <a class="el" href="classafio__v2__xxx_1_1file__handle.html">afio_v2_xxx::file_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1file__handle.html">afio_v2_xxx::file_handle</a></td><td class="entry"><span class="mlabel">protected</span></td></tr> + <tr bgcolor="#f0f0f0" class="even"><td class="entry"><b>_sh</b> (defined in <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">protected</span></td></tr> + <tr bgcolor="#f0f0f0"><td class="entry"><b>_v</b> (defined in <a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">protected</span></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#adca505e51ea006ffa59e3673ea0a9853">address</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a71137cb82edd9a1bcb24f64886b5826d">are_reads_from_cache</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a3fc7db93fac699f5ecad453642ed314e">are_safety_fsyncs_issued</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a97ffbbf53f51549549efef0b49e125dc">are_writes_durable</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr bgcolor="#f0f0f0" class="even"><td class="entry"><b>barrier</b>(io_request< const_buffers_type > reqs=io_request< const_buffers_type >(), bool wait_for_device=false, bool and_metadata=false, deadline d=deadline()) noexceptoverride (defined in <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html#a243156928e89b8988a1412f211b3b603">afio_v2_xxx::io_handle::barrier</a>(io_request< const_buffers_type > reqs=io_request< const_buffers_type >(), bool wait_for_device=false, bool and_metadata=false, deadline d=deadline()) noexcept=0</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html">afio_v2_xxx::io_handle</a></td><td class="entry"><span class="mlabel">pure virtual</span></td></tr> + <tr bgcolor="#f0f0f0" class="even"><td class="entry"><b>buffer_type</b> typedef (defined in <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"></td></tr> + <tr bgcolor="#f0f0f0"><td class="entry"><b>buffers_type</b> typedef (defined in <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"></td></tr> + <tr bgcolor="#f0f0f0" class="even"><td class="entry"><b>caching</b> typedef (defined in <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#ae8e389b2dbdff1b1f155ea351f5ba9c5">capacity</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr bgcolor="#f0f0f0" class="even"><td class="entry"><b>clone</b>(size_type reservation) const noexcept (defined in <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1file__handle.html#ac544e656873ccf3b6665064f46cfaf2b">afio_v2_xxx::file_handle::clone</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1file__handle.html">afio_v2_xxx::file_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#a78e774267e805fcb88e384d5ba09960f">close</a>() noexceptoverride</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> + <tr bgcolor="#f0f0f0"><td class="entry"><b>const_buffer_type</b> typedef (defined in <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"></td></tr> + <tr bgcolor="#f0f0f0" class="even"><td class="entry"><b>const_buffers_type</b> typedef (defined in <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"></td></tr> + <tr bgcolor="#f0f0f0"><td class="entry"><b>creation</b> typedef (defined in <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a616a67222676af5ec5b3aa94d7c02428">current_path</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> + <tr bgcolor="#f0f0f0"><td class="entry"><b>dev_t</b> typedef (defined in <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"></td></tr> + <tr bgcolor="#f0f0f0" class="even"><td class="entry"><b>extent_type</b> typedef (defined in <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1file__handle.html#a03d1774e3ad8678fb4aac4ced57beeef">extents</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1file__handle.html">afio_v2_xxx::file_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1file__handle.html#a6f4e7c6e9768c0e853105b1d63bd9dfb">file</a>(const path_handle &base, path_view_type _path, mode _mode=mode::read, creation _creation=creation::open_existing, caching _caching=caching::all, flag flags=flag::none) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1file__handle.html">afio_v2_xxx::file_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">static</span></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1file__handle.html#a962eb1411083ca9b2250fe40a9259354">file_handle</a>()</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1file__handle.html">afio_v2_xxx::file_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1file__handle.html#ab1f64547bfc4ee74e6019729aaf25703">file_handle</a>(native_handle_type h, dev_t devid, ino_t inode, caching caching=caching::none, flag flags=flag::none)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1file__handle.html">afio_v2_xxx::file_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1file__handle.html#a42313f9ac61c825800d07a33a92679ba">file_handle</a>(file_handle &&o) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1file__handle.html">afio_v2_xxx::file_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1file__handle.html#a7aed1b9a1601502a692d27d8f3997b64">file_handle</a>(handle &&o, dev_t devid, ino_t inode) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1file__handle.html">afio_v2_xxx::file_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">explicit</span></td></tr> + <tr bgcolor="#f0f0f0"><td class="entry"><b>flag</b> typedef (defined in <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">flags</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html#a73339904321a53bf0ef493ecf2927d44">fs_handle</a>()</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html">afio_v2_xxx::fs_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">protected</span></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html#a45eb2220cdefa846fdb103d12a5ce485">afio_v2_xxx::fs_handle::fs_handle</a>(dev_t devid, ino_t inode)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html">afio_v2_xxx::fs_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">protected</span></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html#a274f5d82e11f92ed62e05919076508b8">afio_v2_xxx::fs_handle::fs_handle</a>(const fs_handle &)=delete</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html">afio_v2_xxx::fs_handle</a></td><td class="entry"><span class="mlabel">protected</span></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html#a10d68d2506b9d587e7cad8485fef9637">afio_v2_xxx::fs_handle::fs_handle</a>(fs_handle &&o) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html">afio_v2_xxx::fs_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">protected</span></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a4fde7971dcae5e5f3d10bf95680ae3fa">handle</a>() noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a8f029c40e700b01622f9b0c4126204a8">handle</a>(native_handle_type h, caching caching=caching::none, flag flags=flag::none) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">explicit</span></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a593405e371cb4012c780907bd2e1fc55">handle</a>(const handle &)=delete</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a740bdf3eb7cd766ca09e1bffb258e63a">handle</a>(handle &&o) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr bgcolor="#f0f0f0"><td class="entry"><b>ino_t</b> typedef (defined in <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html#a2da2f177b841701a840a8191a79dd1d4">io_handle</a>()=default</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html">afio_v2_xxx::io_handle</a></td><td class="entry"></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html#a5e4f43f6ce4820bc483404c02fa52c5a">io_handle</a>(native_handle_type h, caching caching=caching::none, flag flags=flag::none)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html">afio_v2_xxx::io_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html#a1e64e30fe37476a7ac55ae73ee743b7e">io_handle</a>(handle &&o) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html">afio_v2_xxx::io_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">explicit</span></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html#a0cb380330b99ebe79ebceaa04f476d2e">io_handle</a>(io_handle &&)=default</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html">afio_v2_xxx::io_handle</a></td><td class="entry"></td></tr> + <tr bgcolor="#f0f0f0" class="even"><td class="entry"><b>io_request</b> typedef (defined in <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"></td></tr> + <tr bgcolor="#f0f0f0"><td class="entry"><b>io_result</b> typedef (defined in <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#ae33d4d0faa1377cd371bd6a0ae0769ae">is_append_only</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#aa53d88105df8c6be01be649829a65b14">is_directory</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#ab790af4654f5455d8c5e1f1d397543ca">is_multiplexer</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#af42904dd49b5517a303e7cb256eae939">is_overlapped</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#ad02958278a0d92e4ec4fb864ba1eb35b">is_process</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a349e001cbe359d4e7a8f066c69e9361e">is_readable</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a526c300d421155ccc071b04db4bca65d">is_regular</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#ac5b2859fabe04dbfc37020daed618257">is_section</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#aac62f621c42be6eeb8d9a5700da367f9">is_seekable</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a3c777f045dc2b0248b891d6e7811d152">is_symlink</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a4194a05dd9694d2c47d5a45f925db1d7">is_valid</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a5be9a526bc5c1be758b0cfc36a262f6e">is_writable</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a00f42a44de714feb3ed86dd0a175e69c">kernel_caching</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#ad9f3e51710bff40a4237f08feb9c4a63">length</a>() const noexceptoverride</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">lock</a>(extent_type offset, extent_type bytes, bool exclusive=true, deadline d=deadline()) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html">afio_v2_xxx::io_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html#ad44dcd9c7ca9e7a094dd1bc7c8aa4897">lock</a>(io_request< buffers_type > reqs, deadline d=deadline()) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html">afio_v2_xxx::io_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html#aeabd245b6edcfb57779b29c6f2ea9737">lock</a>(io_request< const_buffers_type > reqs, deadline d=deadline()) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html">afio_v2_xxx::io_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#aa7fe74ccbf2fc255897bacaa6c41d319">map</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#a767caa74d636805d0986adc59b70060c">map</a>() noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#aedf10997693cf088cf9d67720c4defe1">mapped_file</a>(size_type reservation, const path_handle &base, path_view_type _path, mode _mode=mode::read, creation _creation=creation::open_existing, caching _caching=caching::all, flag flags=flag::none) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">static</span></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#a1bb7ab6d64156732e0e6c26c47fbbf77">mapped_file</a>(const path_handle &base, path_view_type _path, mode _mode=mode::read, creation _creation=creation::open_existing, caching _caching=caching::all, flag flags=flag::none) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">static</span></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#a5f3f5dd54b5c2cc9810621c05a6171f6">mapped_file_handle</a>()=default</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#a1e5228aa6431b2770752e842bae5123b">mapped_file_handle</a>(mapped_file_handle &&o) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#afd7469b8fa7aa8e0a3dd84cb42697621">mapped_file_handle</a>(file_handle &&o) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">explicit</span></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#a00875e717f4b2725bb58ecbb5310fc6f">mapped_random_file</a>(size_type reservation, const path_handle &dirpath, mode _mode=mode::write, caching _caching=caching::temporary, flag flags=flag::none) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">static</span></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#ae19c88791bd2e0bca0d22ec576687a83">mapped_temp_file</a>(size_type reservation, path_view_type name=path_view_type(), mode _mode=mode::write, creation _creation=creation::if_needed, caching _caching=caching::temporary, flag flags=flag::unlink_on_close) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">static</span></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#a35439e5c32b702717402b9035dd25199">mapped_temp_inode</a>(path_view_type dirpath=temporary_files_directory(), mode _mode=mode::write, flag flags=flag::none) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">static</span></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html#a4d9cbbb7aae98704c6ad97de080c4210">max_buffers</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html">afio_v2_xxx::io_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> - <tr bgcolor="#f0f0f0" class="even"><td class="entry"><b>mode</b> typedef (defined in <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a875440f1b368472f1840c70c266f3a48">native_handle</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#ad8714dac7f0b13ceca5f21ba25e1fa10">operator=</a>(mapped_file_handle &&o) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1file__handle.html#a03d04933669de227c1ee5af9d75175ce">afio_v2_xxx::file_handle::operator=</a>(file_handle &&o) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1file__handle.html">afio_v2_xxx::file_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html#aca75b76bf7cbb9add3fd9a36bcd6d42a">afio_v2_xxx::io_handle::operator=</a>(io_handle &&)=default</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html">afio_v2_xxx::io_handle</a></td><td class="entry"></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a01c5da24ff7dfcbd1533f325048b2838">afio_v2_xxx::handle::operator=</a>(const handle &o)=delete</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a2a51598c2a0935d77313a772fd2f1d00">afio_v2_xxx::handle::operator=</a>(handle &&o) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html#a334ed7c11091e8f3f83686b8aeaa1c5b">afio_v2_xxx::fs_handle::operator=</a>(const fs_handle &o)=delete</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html">afio_v2_xxx::fs_handle</a></td><td class="entry"><span class="mlabel">protected</span></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html#a57612714e944a93f6e26ec66b91ffd6e">afio_v2_xxx::fs_handle::operator=</a>(fs_handle &&o) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html">afio_v2_xxx::fs_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">protected</span></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html#a15232dc853f7ca4769eebbfd1fb91cbe">parent_path_handle</a>(deadline d=std::chrono::seconds(30)) const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html">afio_v2_xxx::fs_handle</a></td><td class="entry"></td></tr> - <tr bgcolor="#f0f0f0" class="even"><td class="entry"><b>path_type</b> typedef (defined in <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"></td></tr> - <tr bgcolor="#f0f0f0"><td class="entry"><b>path_view_type</b> typedef (defined in <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1file__handle.html#a7fdd164a8af6542c5fb80c514283c585">random_file</a>(const path_handle &dirpath, mode _mode=mode::write, caching _caching=caching::temporary, flag flags=flag::none) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1file__handle.html">afio_v2_xxx::file_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">static</span></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#a9700eb2bd35b78fcd8131a07090690dc">read</a>(io_request< buffers_type > reqs, deadline d=deadline()) noexceptoverride</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html#a71d7636f40607829cacc2c974c4a2a28">afio_v2_xxx::file_handle::read</a>(io_request< buffers_type > reqs, deadline d=deadline()) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html">afio_v2_xxx::io_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html#a8af6c6dc1502d40f6aaccc83e49d5342">afio_v2_xxx::file_handle::read</a>(extent_type offset, char *data, size_type bytes, deadline d=deadline()) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html">afio_v2_xxx::io_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#a778785515ac0c8a6b4d8aa4e852e4552">release</a>() noexceptoverride</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html#a06da220c6d1cf3ee4c981ae15012560e">relink</a>(const path_handle &base, path_view_type newpath, bool atomic_replace=true, deadline d=std::chrono::seconds(30)) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html">afio_v2_xxx::fs_handle</a></td><td class="entry"></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#affb10caeeca67b804695b7378be29e23">requires_aligned_io</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#a12b186b46922da667e4efdd9a63e061c">mapped_file_handle</a>(file_handle &&o, size_type reservation) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">explicit</span></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#a00875e717f4b2725bb58ecbb5310fc6f">mapped_random_file</a>(size_type reservation, const path_handle &dirpath, mode _mode=mode::write, caching _caching=caching::temporary, flag flags=flag::none) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">static</span></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#ae19c88791bd2e0bca0d22ec576687a83">mapped_temp_file</a>(size_type reservation, path_view_type name=path_view_type(), mode _mode=mode::write, creation _creation=creation::if_needed, caching _caching=caching::temporary, flag flags=flag::unlink_on_close) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">static</span></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#a35439e5c32b702717402b9035dd25199">mapped_temp_inode</a>(path_view_type dirpath=temporary_files_directory(), mode _mode=mode::write, flag flags=flag::none) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">static</span></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html#a4d9cbbb7aae98704c6ad97de080c4210">max_buffers</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html">afio_v2_xxx::io_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> + <tr bgcolor="#f0f0f0"><td class="entry"><b>mode</b> typedef (defined in <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a875440f1b368472f1840c70c266f3a48">native_handle</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#ad8714dac7f0b13ceca5f21ba25e1fa10">operator=</a>(mapped_file_handle &&o) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1file__handle.html#a03d04933669de227c1ee5af9d75175ce">afio_v2_xxx::file_handle::operator=</a>(file_handle &&o) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1file__handle.html">afio_v2_xxx::file_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html#aca75b76bf7cbb9add3fd9a36bcd6d42a">afio_v2_xxx::io_handle::operator=</a>(io_handle &&)=default</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html">afio_v2_xxx::io_handle</a></td><td class="entry"></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a01c5da24ff7dfcbd1533f325048b2838">afio_v2_xxx::handle::operator=</a>(const handle &o)=delete</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a2a51598c2a0935d77313a772fd2f1d00">afio_v2_xxx::handle::operator=</a>(handle &&o) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html#a334ed7c11091e8f3f83686b8aeaa1c5b">afio_v2_xxx::fs_handle::operator=</a>(const fs_handle &o)=delete</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html">afio_v2_xxx::fs_handle</a></td><td class="entry"><span class="mlabel">protected</span></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html#a57612714e944a93f6e26ec66b91ffd6e">afio_v2_xxx::fs_handle::operator=</a>(fs_handle &&o) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html">afio_v2_xxx::fs_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">protected</span></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html#a15232dc853f7ca4769eebbfd1fb91cbe">parent_path_handle</a>(deadline d=std::chrono::seconds(30)) const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html">afio_v2_xxx::fs_handle</a></td><td class="entry"></td></tr> + <tr bgcolor="#f0f0f0"><td class="entry"><b>path_type</b> typedef (defined in <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"></td></tr> + <tr bgcolor="#f0f0f0" class="even"><td class="entry"><b>path_view_type</b> typedef (defined in <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1file__handle.html#a7fdd164a8af6542c5fb80c514283c585">random_file</a>(const path_handle &dirpath, mode _mode=mode::write, caching _caching=caching::temporary, flag flags=flag::none) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1file__handle.html">afio_v2_xxx::file_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">static</span></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#a9700eb2bd35b78fcd8131a07090690dc">read</a>(io_request< buffers_type > reqs, deadline d=deadline()) noexceptoverride</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html#a71d7636f40607829cacc2c974c4a2a28">afio_v2_xxx::file_handle::read</a>(io_request< buffers_type > reqs, deadline d=deadline()) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html">afio_v2_xxx::io_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html#a8af6c6dc1502d40f6aaccc83e49d5342">afio_v2_xxx::file_handle::read</a>(extent_type offset, char *data, size_type bytes, deadline d=deadline()) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html">afio_v2_xxx::io_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#a778785515ac0c8a6b4d8aa4e852e4552">release</a>() noexceptoverride</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html#a06da220c6d1cf3ee4c981ae15012560e">relink</a>(const path_handle &base, path_view_type newpath, bool atomic_replace=true, deadline d=std::chrono::seconds(30)) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html">afio_v2_xxx::fs_handle</a></td><td class="entry"></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#affb10caeeca67b804695b7378be29e23">requires_aligned_io</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#a7c7dc970e310638e02db15fb54a713c3">reserve</a>(size_type reservation=0) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#af33b97dcd0a501da97baa39f44e418da">section</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#a04e89968a4391fcdc2b8cd9203337c32">section</a>() noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1file__handle.html#a672324d44ea84ccfb71594c1036628ac">service</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1file__handle.html">afio_v2_xxx::file_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> @@ -224,19 +228,18 @@ $(document).ready(function(){initNavTree('classafio__v2__xxx_1_1mapped__file__ha <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1file__handle.html#a458c1a73a67e74e20e221e3507a11b11">temp_file</a>(path_view_type name=path_view_type(), mode _mode=mode::write, creation _creation=creation::if_needed, caching _caching=caching::temporary, flag flags=flag::unlink_on_close) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1file__handle.html">afio_v2_xxx::file_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">static</span></td></tr> <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1file__handle.html#a2910fdfa511d1295e36e2eb015b989ac">temp_inode</a>(path_view_type dirpath=temporary_files_directory(), mode _mode=mode::write, flag flags=flag::none) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1file__handle.html">afio_v2_xxx::file_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">static</span></td></tr> <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#a47cd01f73559631556a0fd8817f01d48">truncate</a>(extent_type newsize) noexceptoverride</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#aea61aa0d30653b72a8e877e3b507552a">truncate</a>() noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html#a0a1c4773b9fa7bbd04fee0756075d319">try_lock</a>(extent_type offset, extent_type bytes, bool exclusive=true) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html">afio_v2_xxx::io_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#a1dc81182455d0cceb0eb8db1a19df464">underlying_file_length</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html#a5a5244ab1a15053aefe93f2c253db5b3">unique_id</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html">afio_v2_xxx::fs_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html#a0344f48ef10fa2b94199d5566aedd879">unique_id_type</a> typedef</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html">afio_v2_xxx::fs_handle</a></td><td class="entry"></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html#a11d5f02b84c8fee8d81a5cbda0ef5765">unlink</a>(deadline d=std::chrono::seconds(30)) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html">afio_v2_xxx::fs_handle</a></td><td class="entry"></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html#a96b9da71ee7791fbaaa2470c936ec763">unlock</a>(extent_type offset, extent_type bytes) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html">afio_v2_xxx::io_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html#a0a1c4773b9fa7bbd04fee0756075d319">try_lock</a>(extent_type offset, extent_type bytes, bool exclusive=true) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html">afio_v2_xxx::io_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#a1dc81182455d0cceb0eb8db1a19df464">underlying_file_length</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html#a5a5244ab1a15053aefe93f2c253db5b3">unique_id</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html">afio_v2_xxx::fs_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html#a0344f48ef10fa2b94199d5566aedd879">unique_id_type</a> typedef</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html">afio_v2_xxx::fs_handle</a></td><td class="entry"></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html#a11d5f02b84c8fee8d81a5cbda0ef5765">unlink</a>(deadline d=std::chrono::seconds(30)) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1fs__handle.html">afio_v2_xxx::fs_handle</a></td><td class="entry"></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html#a96b9da71ee7791fbaaa2470c936ec763">unlock</a>(extent_type offset, extent_type bytes) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html">afio_v2_xxx::io_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#a297b1f81b6d2875164e46a266c3f1f8a">update_map</a>() noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#ab5445524727b27b8df50347320bc8d6e">write</a>(io_request< const_buffers_type > reqs, deadline d=deadline()) noexceptoverride</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html#aefac4710e5617264347f437b04732c01">afio_v2_xxx::file_handle::write</a>(io_request< const_buffers_type > reqs, deadline d=deadline()) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html">afio_v2_xxx::io_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html#ab26a3c5a18cdcc67a506533dbe55e2b3">afio_v2_xxx::file_handle::write</a>(extent_type offset, const char *data, size_type bytes, deadline d=deadline()) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1io__handle.html">afio_v2_xxx::io_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#a58a53c65313fcf097bb57cd077adc17d">zero</a>(extent_type offset, extent_type bytes, deadline=deadline()) noexceptoverride</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> <tr bgcolor="#f0f0f0" class="even"><td class="entry"><b>~handle</b>() (defined in <a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> - <tr bgcolor="#f0f0f0"><td class="entry"><b>~mapped_file_handle</b>() (defined in <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">afio_v2_xxx::mapped_file_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> </table></div><!-- contents --> </div><!-- doc-content --> <!-- start footer part --> diff --git a/classafio__v2__xxx_1_1mapped__file__handle.html b/classafio__v2__xxx_1_1mapped__file__handle.html index 95665d14..59591c6e 100644 --- a/classafio__v2__xxx_1_1mapped__file__handle.html +++ b/classafio__v2__xxx_1_1mapped__file__handle.html @@ -198,18 +198,18 @@ Public Member Functions</h2></td></tr>  </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#a5f3f5dd54b5c2cc9810621c05a6171f6">mapped_file_handle</a> ()=default</td></tr> <tr class="memdesc:a5f3f5dd54b5c2cc9810621c05a6171f6"><td class="mdescLeft"> </td><td class="mdescRight">Default constructor. <br/></td></tr> <tr class="separator:a5f3f5dd54b5c2cc9810621c05a6171f6"><td class="memSeparator" colspan="2"> </td></tr> -<tr class="memitem:acfb095539345cd3ab37a6bbf379ac434"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="acfb095539345cd3ab37a6bbf379ac434"></a> -constexpr </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#acfb095539345cd3ab37a6bbf379ac434">mapped_file_handle</a> (<a class="el" href="structafio__v2__xxx_1_1native__handle__type.html">native_handle_type</a> h, dev_t devid, ino_t inode, <a class="el" href="classafio__v2__xxx_1_1handle.html#a6f7e37c73271968271c2342023f58c9e">caching</a> <a class="el" href="classafio__v2__xxx_1_1handle.html#a6f7e37c73271968271c2342023f58c9e">caching</a>=<a class="el" href="classafio__v2__xxx_1_1handle.html#a6f7e37c73271968271c2342023f58c9ea334c4a4c42fdb79d7ebc3e73b517e6f8">caching::none</a>, flag <a class="el" href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">flags</a>=flag::none)</td></tr> -<tr class="memdesc:acfb095539345cd3ab37a6bbf379ac434"><td class="mdescLeft"> </td><td class="mdescRight">Construct a handle from a supplied native handle. <br/></td></tr> -<tr class="separator:acfb095539345cd3ab37a6bbf379ac434"><td class="memSeparator" colspan="2"> </td></tr> -<tr class="memitem:a01972772c9b438cc489325d34350257c"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a01972772c9b438cc489325d34350257c"></a> - </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#a01972772c9b438cc489325d34350257c">mapped_file_handle</a> (<a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">mapped_file_handle</a> &&o) noexcept=default</td></tr> -<tr class="memdesc:a01972772c9b438cc489325d34350257c"><td class="mdescLeft"> </td><td class="mdescRight">Implicit move construction of mapped_file_handle permitted. <br/></td></tr> -<tr class="separator:a01972772c9b438cc489325d34350257c"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:a1e5228aa6431b2770752e842bae5123b"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a1e5228aa6431b2770752e842bae5123b"></a> + </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#a1e5228aa6431b2770752e842bae5123b">mapped_file_handle</a> (<a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">mapped_file_handle</a> &&o) noexcept</td></tr> +<tr class="memdesc:a1e5228aa6431b2770752e842bae5123b"><td class="mdescLeft"> </td><td class="mdescRight">Implicit move construction of mapped_file_handle permitted. <br/></td></tr> +<tr class="separator:a1e5228aa6431b2770752e842bae5123b"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:afd7469b8fa7aa8e0a3dd84cb42697621"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="afd7469b8fa7aa8e0a3dd84cb42697621"></a> constexpr </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#afd7469b8fa7aa8e0a3dd84cb42697621">mapped_file_handle</a> (<a class="el" href="classafio__v2__xxx_1_1file__handle.html">file_handle</a> &&o) noexcept</td></tr> <tr class="memdesc:afd7469b8fa7aa8e0a3dd84cb42697621"><td class="mdescLeft"> </td><td class="mdescRight">Explicit conversion from file_handle permitted. <br/></td></tr> <tr class="separator:afd7469b8fa7aa8e0a3dd84cb42697621"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:a12b186b46922da667e4efdd9a63e061c"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a12b186b46922da667e4efdd9a63e061c"></a> + </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#a12b186b46922da667e4efdd9a63e061c">mapped_file_handle</a> (<a class="el" href="classafio__v2__xxx_1_1file__handle.html">file_handle</a> &&o, size_type reservation) noexcept</td></tr> +<tr class="memdesc:a12b186b46922da667e4efdd9a63e061c"><td class="mdescLeft"> </td><td class="mdescRight">Explicit conversion from file_handle permitted, this overload also attempts to map the file. <br/></td></tr> +<tr class="separator:a12b186b46922da667e4efdd9a63e061c"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ad8714dac7f0b13ceca5f21ba25e1fa10"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ad8714dac7f0b13ceca5f21ba25e1fa10"></a> <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">mapped_file_handle</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#ad8714dac7f0b13ceca5f21ba25e1fa10">operator=</a> (<a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">mapped_file_handle</a> &&o) noexcept</td></tr> <tr class="memdesc:ad8714dac7f0b13ceca5f21ba25e1fa10"><td class="mdescLeft"> </td><td class="mdescRight">Move assignment of mapped_file_handle permitted. <br/></td></tr> @@ -242,6 +242,13 @@ char * </td><td class="memItemRight" valign="bottom"><a class="el" href="cl result< extent_type > </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#a1dc81182455d0cceb0eb8db1a19df464">underlying_file_length</a> () const noexcept</td></tr> <tr class="memdesc:a1dc81182455d0cceb0eb8db1a19df464"><td class="mdescLeft"> </td><td class="mdescRight">The length of the underlying file. <br/></td></tr> <tr class="separator:a1dc81182455d0cceb0eb8db1a19df464"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:ae8e389b2dbdff1b1f155ea351f5ba9c5"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ae8e389b2dbdff1b1f155ea351f5ba9c5"></a> +size_type </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#ae8e389b2dbdff1b1f155ea351f5ba9c5">capacity</a> () const noexcept</td></tr> +<tr class="memdesc:ae8e389b2dbdff1b1f155ea351f5ba9c5"><td class="mdescLeft"> </td><td class="mdescRight">The address space (to be) reserved for future expansion of this file. <br/></td></tr> +<tr class="separator:ae8e389b2dbdff1b1f155ea351f5ba9c5"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:a7c7dc970e310638e02db15fb54a713c3"><td class="memItemLeft" align="right" valign="top">result< size_type > </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#a7c7dc970e310638e02db15fb54a713c3">reserve</a> (size_type reservation=0) noexcept</td></tr> +<tr class="memdesc:a7c7dc970e310638e02db15fb54a713c3"><td class="mdescLeft"> </td><td class="mdescRight">Reserve a new amount of address space for mapping future expansion of this file. <a href="#a7c7dc970e310638e02db15fb54a713c3">More...</a><br/></td></tr> +<tr class="separator:a7c7dc970e310638e02db15fb54a713c3"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a78e774267e805fcb88e384d5ba09960f"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a78e774267e805fcb88e384d5ba09960f"></a> virtual result< void > </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#a78e774267e805fcb88e384d5ba09960f">close</a> () noexceptoverride</td></tr> <tr class="memdesc:a78e774267e805fcb88e384d5ba09960f"><td class="mdescLeft"> </td><td class="mdescRight">Immediately close the native handle type managed by this handle. <br/></td></tr> @@ -254,27 +261,28 @@ virtual <a class="el" href="structafio__v2__xxx_1_1native__handle__type.html">na virtual <a class="el" href="structafio__v2__xxx_1_1io__handle_1_1io__result.html">io_result</a><br class="typebreak"/> < const_buffers_type > </td><td class="memItemRight" valign="bottom"><b>barrier</b> (<a class="el" href="structafio__v2__xxx_1_1io__handle_1_1io__request.html">io_request</a>< const_buffers_type > reqs=<a class="el" href="structafio__v2__xxx_1_1io__handle_1_1io__request.html">io_request</a>< const_buffers_type >(), bool wait_for_device=false, bool and_metadata=false, <a class="el" href="structafio__v2__xxx_1_1deadline.html">deadline</a> d=<a class="el" href="structafio__v2__xxx_1_1deadline.html">deadline</a>()) noexceptoverride</td></tr> <tr class="separator:a22df02b12a8b5f27e21da509aadb31d4"><td class="memSeparator" colspan="2"> </td></tr> -<tr class="memitem:ab37c9af33f662fa5e4cbfc1dff155607"><td class="memItemLeft" align="right" valign="top">virtual result< <a class="el" href="classafio__v2__xxx_1_1file__handle.html">file_handle</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#ab37c9af33f662fa5e4cbfc1dff155607">clone</a> () const noexceptoverride</td></tr> -<tr class="separator:ab37c9af33f662fa5e4cbfc1dff155607"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:ac2ea4d6fa93d3f3506d285c923d5e36f"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ac2ea4d6fa93d3f3506d285c923d5e36f"></a> +result< <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html">mapped_file_handle</a> > </td><td class="memItemRight" valign="bottom"><b>clone</b> (size_type reservation) const noexcept</td></tr> +<tr class="separator:ac2ea4d6fa93d3f3506d285c923d5e36f"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ad9f3e51710bff40a4237f08feb9c4a63"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ad9f3e51710bff40a4237f08feb9c4a63"></a> virtual result< extent_type > </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#ad9f3e51710bff40a4237f08feb9c4a63">length</a> () const noexceptoverride</td></tr> -<tr class="memdesc:ad9f3e51710bff40a4237f08feb9c4a63"><td class="mdescLeft"> </td><td class="mdescRight">Return the current maximum permitted extent of the file. <br/></td></tr> +<tr class="memdesc:ad9f3e51710bff40a4237f08feb9c4a63"><td class="mdescLeft"> </td><td class="mdescRight">Return the current maximum permitted extent of the file which is the lesser of the section's length, or the reservation. <br/></td></tr> <tr class="separator:ad9f3e51710bff40a4237f08feb9c4a63"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a47cd01f73559631556a0fd8817f01d48"><td class="memItemLeft" align="right" valign="top">virtual result< extent_type > </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#a47cd01f73559631556a0fd8817f01d48">truncate</a> (extent_type newsize) noexceptoverride</td></tr> -<tr class="memdesc:a47cd01f73559631556a0fd8817f01d48"><td class="mdescLeft"> </td><td class="mdescRight">Resize the current maximum permitted extent of the mapped file to the given extent, avoiding any new allocation of physical storage where supported. <a href="#a47cd01f73559631556a0fd8817f01d48">More...</a><br/></td></tr> +<tr class="memdesc:a47cd01f73559631556a0fd8817f01d48"><td class="mdescLeft"> </td><td class="mdescRight">Resize the current maximum permitted extent of the mapped file to the given extent, avoiding any new allocation of physical storage where supported, and mapping or unmapping any new pages up to the reservation to reflect the new maximum extent. <a href="#a47cd01f73559631556a0fd8817f01d48">More...</a><br/></td></tr> <tr class="separator:a47cd01f73559631556a0fd8817f01d48"><td class="memSeparator" colspan="2"> </td></tr> -<tr class="memitem:aea61aa0d30653b72a8e877e3b507552a"><td class="memItemLeft" align="right" valign="top">result< extent_type > </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#aea61aa0d30653b72a8e877e3b507552a">truncate</a> () noexcept</td></tr> -<tr class="memdesc:aea61aa0d30653b72a8e877e3b507552a"><td class="mdescLeft"> </td><td class="mdescRight">Resize the mapping to match that of the underlying file, returning the size of the underlying file. <a href="#aea61aa0d30653b72a8e877e3b507552a">More...</a><br/></td></tr> -<tr class="separator:aea61aa0d30653b72a8e877e3b507552a"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:a297b1f81b6d2875164e46a266c3f1f8a"><td class="memItemLeft" align="right" valign="top">result< extent_type > </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#a297b1f81b6d2875164e46a266c3f1f8a">update_map</a> () noexcept</td></tr> +<tr class="memdesc:a297b1f81b6d2875164e46a266c3f1f8a"><td class="mdescLeft"> </td><td class="mdescRight">Efficiently update the mapping to match that of the underlying file, returning the size of the underlying file. <a href="#a297b1f81b6d2875164e46a266c3f1f8a">More...</a><br/></td></tr> +<tr class="separator:a297b1f81b6d2875164e46a266c3f1f8a"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a58a53c65313fcf097bb57cd077adc17d"><td class="memItemLeft" align="right" valign="top">virtual result< extent_type > </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#a58a53c65313fcf097bb57cd077adc17d">zero</a> (extent_type offset, extent_type bytes, <a class="el" href="structafio__v2__xxx_1_1deadline.html">deadline</a>=<a class="el" href="structafio__v2__xxx_1_1deadline.html">deadline</a>()) noexceptoverride</td></tr> <tr class="memdesc:a58a53c65313fcf097bb57cd077adc17d"><td class="mdescLeft"> </td><td class="mdescRight">Efficiently zero, and possibly deallocate, data on storage. <a href="#a58a53c65313fcf097bb57cd077adc17d">More...</a><br/></td></tr> <tr class="separator:a58a53c65313fcf097bb57cd077adc17d"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a9700eb2bd35b78fcd8131a07090690dc"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="structafio__v2__xxx_1_1io__handle_1_1io__result.html">io_result</a>< buffers_type > </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#a9700eb2bd35b78fcd8131a07090690dc">read</a> (<a class="el" href="structafio__v2__xxx_1_1io__handle_1_1io__request.html">io_request</a>< buffers_type > reqs, <a class="el" href="structafio__v2__xxx_1_1deadline.html">deadline</a> d=<a class="el" href="structafio__v2__xxx_1_1deadline.html">deadline</a>()) noexceptoverride</td></tr> -<tr class="memdesc:a9700eb2bd35b78fcd8131a07090690dc"><td class="mdescLeft"> </td><td class="mdescRight">Read data from the mapped file. <a href="#a9700eb2bd35b78fcd8131a07090690dc">More...</a><br/></td></tr> +<tr class="memdesc:a9700eb2bd35b78fcd8131a07090690dc"><td class="mdescLeft"> </td><td class="mdescRight">Read data from the mapped file. Note that this works with the reservation size, not the valid length, and thus reading past <code>length()</code> is undefined behaviour. <a href="#a9700eb2bd35b78fcd8131a07090690dc">More...</a><br/></td></tr> <tr class="separator:a9700eb2bd35b78fcd8131a07090690dc"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ab5445524727b27b8df50347320bc8d6e"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="structafio__v2__xxx_1_1io__handle_1_1io__result.html">io_result</a><br class="typebreak"/> < const_buffers_type > </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#ab5445524727b27b8df50347320bc8d6e">write</a> (<a class="el" href="structafio__v2__xxx_1_1io__handle_1_1io__request.html">io_request</a>< const_buffers_type > reqs, <a class="el" href="structafio__v2__xxx_1_1deadline.html">deadline</a> d=<a class="el" href="structafio__v2__xxx_1_1deadline.html">deadline</a>()) noexceptoverride</td></tr> -<tr class="memdesc:ab5445524727b27b8df50347320bc8d6e"><td class="mdescLeft"> </td><td class="mdescRight">Write data to the mapped file. Note this will never extend past the current length of the mapped file. <a href="#ab5445524727b27b8df50347320bc8d6e">More...</a><br/></td></tr> +<tr class="memdesc:ab5445524727b27b8df50347320bc8d6e"><td class="mdescLeft"> </td><td class="mdescRight">Write data to the mapped file. Note that this works with the reservation size, not the valid length, and thus writing past <code>length()</code> is undefined behaviour. <a href="#ab5445524727b27b8df50347320bc8d6e">More...</a><br/></td></tr> <tr class="separator:ab5445524727b27b8df50347320bc8d6e"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ae56f6754d6ad0a037ebb134d83f45dfc"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ae56f6754d6ad0a037ebb134d83f45dfc"></a> void </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1file__handle.html#ae56f6754d6ad0a037ebb134d83f45dfc">swap</a> (<a class="el" href="classafio__v2__xxx_1_1file__handle.html">file_handle</a> &o) noexcept</td></tr> @@ -288,6 +296,8 @@ void </td><td class="memItemRight" valign="bottom"><a class="el" href="clas < const_buffers_type > </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1io__handle.html#a243156928e89b8988a1412f211b3b603">barrier</a> (<a class="el" href="structafio__v2__xxx_1_1io__handle_1_1io__request.html">io_request</a>< const_buffers_type > reqs=<a class="el" href="structafio__v2__xxx_1_1io__handle_1_1io__request.html">io_request</a>< const_buffers_type >(), bool wait_for_device=false, bool and_metadata=false, <a class="el" href="structafio__v2__xxx_1_1deadline.html">deadline</a> d=<a class="el" href="structafio__v2__xxx_1_1deadline.html">deadline</a>()) noexcept=0</td></tr> <tr class="memdesc:a243156928e89b8988a1412f211b3b603"><td class="mdescLeft"> </td><td class="mdescRight">Issue a write reordering barrier such that writes preceding the barrier will reach storage before writes after this barrier. <a href="#a243156928e89b8988a1412f211b3b603">More...</a><br/></td></tr> <tr class="separator:a243156928e89b8988a1412f211b3b603"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:ac544e656873ccf3b6665064f46cfaf2b"><td class="memItemLeft" align="right" valign="top">virtual result< <a class="el" href="classafio__v2__xxx_1_1file__handle.html">file_handle</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1file__handle.html#ac544e656873ccf3b6665064f46cfaf2b">clone</a> () const noexcept</td></tr> +<tr class="separator:ac544e656873ccf3b6665064f46cfaf2b"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a672324d44ea84ccfb71594c1036628ac"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a672324d44ea84ccfb71594c1036628ac"></a> <a class="el" href="classafio__v2__xxx_1_1io__service.html">io_service</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1file__handle.html#a672324d44ea84ccfb71594c1036628ac">service</a> () const noexcept</td></tr> <tr class="memdesc:a672324d44ea84ccfb71594c1036628ac"><td class="mdescLeft"> </td><td class="mdescRight">The i/o service this handle is attached to, if any. <br/></td></tr> @@ -455,6 +465,9 @@ result< void > </td><td class="memItemRight" valign="bottom"><a class </table><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-attribs"></a> Protected Attributes</h2></td></tr> +<tr class="memitem:a9181a6c406a7206a743be7be368b17d8"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9181a6c406a7206a743be7be368b17d8"></a> +size_type </td><td class="memItemRight" valign="bottom"><b>_reservation</b> {0}</td></tr> +<tr class="separator:a9181a6c406a7206a743be7be368b17d8"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a7e45c857d47961469496795f1c5c242b"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a7e45c857d47961469496795f1c5c242b"></a> <a class="el" href="classafio__v2__xxx_1_1section__handle.html">section_handle</a> </td><td class="memItemRight" valign="bottom"><b>_sh</b></td></tr> <tr class="separator:a7e45c857d47961469496795f1c5c242b"><td class="memSeparator" colspan="2"> </td></tr> @@ -482,13 +495,36 @@ ino_t </td><td class="memItemRight" valign="bottom"><b>_inode</b></td></tr> </table> <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> <div class="textblock"><p>A memory mapped regular file or device. </p> -<p>All the major OSs on all the major 64 bit CPU architectures now offer at least 127 Tb of address spaces to user mode processes. This makes feasible mapping multi-Tb files directly into memory, and thus avoiding the syscall overhead involved when reading and writing. This becames <b>especially</b> important with nextgen storage devices capable of Direct Access Storage (DAX) like Optane from 2018 onwards, performance via syscalls will always be but a fraction of speaking directly to the storage device via directly mapped memory.</p> +<p>All the major OSs on all the major 64 bit CPU architectures now offer at least 127 Tb of address spaces to user mode processes. This makes feasible mapping multi-Tb files directly into memory, and thus avoiding the syscall overhead involved when reading and writing. This becames <b>especially</b> important with next-gen storage devices capable of Direct Access Storage (DAX) like Optane from 2018 onwards, performance via syscalls will always be but a fraction of speaking directly to the storage device via directly mapped memory.</p> <p>As an example of the gains, on Microsoft Windows to read or write 1Kb using the standard syscalls takes about fifteen times longer than the exact same i/o via mapped memory. On Linux, OS X or FreeBSD the gain is considerably lower, a 1Kb i/o might only be 50% slower via syscalls than memory maps. However for lots of say 64 byte i/o, the gain of memory maps over syscalls is unsurpassable.</p> -<p>This class combines a <code>file_handle</code> with a <code>section_handle</code> and a <code>map_handle</code> to implement a fully memory mapped <code>file_handle</code>. The whole file is always mapped entirely into memory, including any appends to the file, and i/o is performed directly with the map. Reads always return the original mapped data, and do not fill any buffers passed in. For obvious reasons the utility of this class on 32-bit systems is limited, but can be useful when used with smaller files.</p> -<p>Note that zero lengthed files cannot be memory mapped. On first write will the map be created, until then <code>address()</code> will return a null pointer. Similarly, calling <code>truncate(0)</code> will destroy the maps which can be useful to know as Microsoft Windows will not permit shrinking of a file with open maps in any process on it, thus every process must call <code>truncate(0)</code> and sink the error about the shrink failing until when the final process to attempt the truncation succeeds.</p> -<p>For better performance when handling files which are growing, there is a concept of "address space reservation" via <code>reserve()</code> and <code>capacity()</code>. The implementation asks the kernel to set out a contiguous region of pages matching that reservation, and to map the file into the beginning of the reservation. The remainder of the pages are inaccessible and will generate a segfault.</p> -<p><code>length()</code> reports the length of the mapped file, NOT the underlying file. For better performance, and to avoid kernel bugs, we do not automatically track the length of the underlying file, so reads and writes always terminate at the mapped file length and do not auto-extend the file. If you wish to extend the file, you must call <code>truncate(bytes)</code> which is of course racy with respect to other things extending the file. When you know that another process has extended the file and you wish to map the newly appended data, you can call <code>truncate()</code> with no parameters. This will read the current length of the underlying file, and map the new data into your process up until the reservation is full. It is then up to you to detect that the reservation has been exhausted, and to reserve a new reservation which will change the value returned by <code>address()</code>. This entirely manual system is a bit tedious and cumbersome to use, but as mapping files is an expensive operation given TLB shootdown, the only place where we change mappings silently is on the first write to an empty mapped file.</p> -<dl class="section warning"><dt>Warning</dt><dd>You must be cautious when the file is being extended by third parties which are not using this <code>mapped_file_handle</code> to write the new data. With unified page cache kernels, mixing mapped and normal i/o is generally safe except at the end of a file where race conditions and outright kernel bugs tend to abound. To avoid these, <b>make sure you truncate to new length before appending data</b>, or else solely and exclusively use a dedicated handle configured to atomic append only to do the appends. </dd></dl> +<p>This class combines a <code>file_handle</code> with a <code>section_handle</code> and a <code>map_handle</code> to implement a fully memory mapped <code>file_handle</code>. The whole file is always mapped entirely into memory, and <code>read()</code> and <code>write()</code> i/o is performed directly with the map. Reads always return the original mapped data, and do not fill any buffers passed in. For obvious reasons the utility of this class on 32-bit systems is limited, but can be useful when used with smaller files.</p> +<p>Note that zero length files cannot be memory mapped, and writes past the maximum extent do NOT auto-extend the size of the file, rather the data written beyond the maximum valid extent has undefined kernel-specific behaviour, which includes segfaulting. You must therefore always <code>truncate(newsize)</code> to resize the file and its maps before you can read or write to it, and be VERY careful to not read or write beyond the maximum extent of the file.</p> +<p>Therefore, when a file is created or is otherwise of zero length, <code>address()</code> will return a null pointer. Similarly, calling <code>truncate(0)</code> will close the map and section handles, they will be recreated on next truncation to a non-zero size.</p> +<p>For better performance when handling files which are growing, there is a concept of "address space reservation" via <code>reserve()</code> and <code>capacity()</code>, which on some kernels is automatically and efficiently expanded into when the underlying file grows. The implementation asks the kernel to set out a contiguous region of pages matching that reservation, and to map the file into the beginning of the reservation. The remainder of the pages may be inaccessible and may generate a segfault, or they may automatically reflect any growth in the underlying file. This is why <code>read()</code> and <code>write()</code> only know about the reservation size, and will read and write memory up to that reservation size, without checking if the memory involved exists or not yet. You are guaranteed that <code>address()</code> will not return a new value unless you truncate from a bigger length to a smaller length, or you call <code>reserve()</code> with a new reservation.</p> +<p><code>length()</code> reports the last truncated length of the mapped file (possibly by any process in the system) up to the reservation limit, NOT the length of the underlying file. When you know that another process has extended the file and you wish to map the newly appended data, you can call <code>update_map()</code> which guarantees that the mapping your process sees is up to date, rather than relying on any kernel-specific automatic mapping. Whether automatic or enforced by <code>update_map()</code>, the reservation limit will not be exceeded nor will <code>address()</code> suddenly return something different. It is thus up to you to detect that the reservation has been exhausted, and to reserve a new reservation which will change the value returned by <code>address()</code>. This entirely manual system is a bit tedious and cumbersome to use, but as mapping files is an expensive operation given TLB shootdown, we leave it up to the end user to decide when to expend the cost of mapping.</p> +<dl class="section warning"><dt>Warning</dt><dd>You must be cautious when the file is being extended by third parties which are not using this <code>mapped_file_handle</code> to write the new data. With unified page cache kernels, mixing mapped and normal i/o is generally safe except at the end of a file where race conditions and outright kernel bugs tend to abound. To avoid these, solely and exclusively use a dedicated handle configured to atomic append only to do the appends.</dd></dl> +<p>Automatic mapping of growing files on various kernels: </p> +<dl> +<dt>Microsoft Windows </dt> +<dd>For the current Terminal Services Session, the first <code>mapped_file_handle::truncate()</code> or <code>mapped_file_handle::update_map()</code> by any process update maps in all processes simultaneously. </dd> +<dt>Linux </dt> +<dd>? </dd> +<dt>FreeBSD </dt> +<dd>? </dd> +<dt>Apple MacOS </dt> +<dd>? </dd> +</dl> +<p>Automatic mapping of shrinking files on various kernels: </p> +<dl> +<dt>Microsoft Windows </dt> +<dd>All maps and open section handles on the file anywhere in the system must be removed before any shrinkage of a file is permitted. </dd> +<dt>Linux </dt> +<dd>? </dd> +<dt>FreeBSD </dt> +<dd>? </dd> +<dt>Apple MacOS </dt> +<dd>? </dd> +</dl> </div><h2 class="groupheader">Member Function Documentation</h2> <a class="anchor" id="a243156928e89b8988a1412f211b3b603"></a> <div class="memitem"> @@ -555,7 +591,7 @@ For portability, you can only assume that barriers write order for a single hand </div> </div> -<a class="anchor" id="ab37c9af33f662fa5e4cbfc1dff155607"></a> +<a class="anchor" id="ac544e656873ccf3b6665064f46cfaf2b"></a> <div class="memitem"> <div class="memproto"> <table class="mlabels"> @@ -563,7 +599,7 @@ For portability, you can only assume that barriers write order for a single hand <td class="mlabels-left"> <table class="memname"> <tr> - <td class="memname">virtual result<<a class="el" href="classafio__v2__xxx_1_1file__handle.html">file_handle</a>> afio_v2_xxx::mapped_file_handle::clone </td> + <td class="memname">virtual result<<a class="el" href="classafio__v2__xxx_1_1file__handle.html">file_handle</a>> afio_v2_xxx::file_handle::clone </td> <td>(</td> <td class="paramname"></td><td>)</td> <td> const</td> @@ -571,15 +607,13 @@ For portability, you can only assume that barriers write order for a single hand </table> </td> <td class="mlabels-right"> -<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">override</span><span class="mlabel">virtual</span><span class="mlabel">noexcept</span></span> </td> +<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">virtual</span><span class="mlabel">noexcept</span><span class="mlabel">inherited</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>Clone this handle (copy constructor is disabled to avoid accidental copying)</p> <dl class="section user"><dt>Errors returnable</dt><dd>Any of the values POSIX dup() or DuplicateHandle() can return. </dd></dl> -<p>Reimplemented from <a class="el" href="classafio__v2__xxx_1_1file__handle.html#ac544e656873ccf3b6665064f46cfaf2b">afio_v2_xxx::file_handle</a>.</p> - </div> </div> <a class="anchor" id="a616a67222676af5ec5b3aa94d7c02428"></a> @@ -778,16 +812,16 @@ For portability, you can only assume that barriers write order for a single hand </table> </div><div class="memdoc"> <p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p> -<div class="fragment"><div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  {</div> -<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <span class="keywordtype">size_t</span> bytes = 0;</div> -<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  <span class="keywordflow">for</span>(<span class="keyword">auto</span> &i : reqs.buffers)</div> -<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  {</div> -<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="keywordflow">if</span>(bytes + i.len < bytes)</div> -<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  <span class="keywordflow">return</span> std::errc::value_too_large;</div> -<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  bytes += i.len;</div> -<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  }</div> -<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <span class="keywordflow">return</span> <a class="code" href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">lock</a>(reqs.offset, bytes, <span class="keyword">false</span>, std::move(d));</div> -<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  }</div> +<div class="fragment"><div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  {</div> +<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <span class="keywordtype">size_t</span> bytes = 0;</div> +<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="keywordflow">for</span>(<span class="keyword">auto</span> &i : reqs.buffers)</div> +<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  {</div> +<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  <span class="keywordflow">if</span>(bytes + i.len < bytes)</div> +<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <span class="keywordflow">return</span> std::errc::value_too_large;</div> +<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  bytes += i.len;</div> +<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  }</div> +<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <span class="keywordflow">return</span> <a class="code" href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">lock</a>(reqs.offset, bytes, <span class="keyword">false</span>, std::move(d));</div> +<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  }</div> <div class="ttc" id="classafio__v2__xxx_1_1io__handle_html_a88689b15e6e8b6ce1f945737dee4369e"><div class="ttname"><a href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">afio_v2_xxx::io_handle::lock</a></div><div class="ttdeci">virtual result< extent_guard > lock(extent_type offset, extent_type bytes, bool exclusive=true, deadline d=deadline()) noexcept</div><div class="ttdoc">Tries to lock the range of bytes specified for shared or exclusive access. Be aware this passes throu...</div></div> </div><!-- fragment --> </div> @@ -824,16 +858,16 @@ For portability, you can only assume that barriers write order for a single hand </table> </div><div class="memdoc"> <p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p> -<div class="fragment"><div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  {</div> -<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  <span class="keywordtype">size_t</span> bytes = 0;</div> -<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <span class="keywordflow">for</span>(<span class="keyword">auto</span> &i : reqs.buffers)</div> -<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  {</div> -<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keywordflow">if</span>(bytes + i.len < bytes)</div> -<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="keywordflow">return</span> std::errc::value_too_large;</div> -<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  bytes += i.len;</div> -<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  }</div> -<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="keywordflow">return</span> <a class="code" href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">lock</a>(reqs.offset, bytes, <span class="keyword">true</span>, std::move(d));</div> -<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  }</div> +<div class="fragment"><div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  {</div> +<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <span class="keywordtype">size_t</span> bytes = 0;</div> +<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keywordflow">for</span>(<span class="keyword">auto</span> &i : reqs.buffers)</div> +<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  {</div> +<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  <span class="keywordflow">if</span>(bytes + i.len < bytes)</div> +<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  <span class="keywordflow">return</span> std::errc::value_too_large;</div> +<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  bytes += i.len;</div> +<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  }</div> +<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  <span class="keywordflow">return</span> <a class="code" href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">lock</a>(reqs.offset, bytes, <span class="keyword">true</span>, std::move(d));</div> +<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  }</div> <div class="ttc" id="classafio__v2__xxx_1_1io__handle_html_a88689b15e6e8b6ce1f945737dee4369e"><div class="ttname"><a href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">afio_v2_xxx::io_handle::lock</a></div><div class="ttdeci">virtual result< extent_guard > lock(extent_type offset, extent_type bytes, bool exclusive=true, deadline d=deadline()) noexcept</div><div class="ttdoc">Tries to lock the range of bytes specified for shared or exclusive access. Be aware this passes throu...</div></div> </div><!-- fragment --> </div> @@ -912,9 +946,38 @@ For portability, you can only assume that barriers write order for a single hand </table> </dd> </dl> -<p>Note that if the file is currently zero sized, no mapping occurs now, but later when <code>truncate()</code> or <code>write()</code> is called.</p> +<p>Note that if the file is currently zero sized, no mapping occurs now, but later when <code>truncate()</code> or <code>update_map()</code> is called.</p> <dl class="section user"><dt>Errors returnable</dt><dd>Any of the values which the constructors for <code>file_handle</code>, <code>section_handle</code> and <code>map_handle</code> can return. </dd></dl> - +<div class="fragment"><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  {</div> +<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordflow">if</span>(_mode == <a class="code" href="classafio__v2__xxx_1_1handle.html#a0489b6c1e25cd2bad2ba1ec86e1aaf18a9516dfb15f51c7ee19a4d46b8c0dbe1d">mode::append</a>)</div> +<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  {</div> +<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordflow">return</span> std::errc::invalid_argument;</div> +<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  }</div> +<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  OUTCOME_TRY(fh, <a class="code" href="classafio__v2__xxx_1_1file__handle.html#a6f4e7c6e9768c0e853105b1d63bd9dfb">file_handle::file</a>(base, _path, _mode, _creation, _caching, <a class="code" href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">flags</a>));</div> +<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keywordflow">switch</span>(_creation)</div> +<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  {</div> +<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keywordflow">default</span>:</div> +<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  {</div> +<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="comment">// Attempt mapping now</span></div> +<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <a class="code" href="classafio__v2__xxx_1_1mapped__file__handle.html#a5f3f5dd54b5c2cc9810621c05a6171f6">mapped_file_handle</a> mfh(std::move(fh), reservation);</div> +<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordflow">return</span> {std::move(mfh)};</div> +<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  }</div> +<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordflow">case</span> creation::only_if_not_exist:</div> +<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keywordflow">case</span> <a class="code" href="classafio__v2__xxx_1_1handle.html#a45ff5c1c5662623d99156870dfeee0a7a244f58cf07c35fd48d7524b289551e5c">creation::truncate</a>:</div> +<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  {</div> +<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="comment">// Don't attempt mapping now</span></div> +<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <a class="code" href="classafio__v2__xxx_1_1mapped__file__handle.html#a5f3f5dd54b5c2cc9810621c05a6171f6">mapped_file_handle</a> mfh(std::move(fh));</div> +<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  mfh._reservation = reservation;</div> +<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordflow">return</span> {std::move(mfh)};</div> +<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  }</div> +<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  }</div> +<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  }</div> +<div class="ttc" id="classafio__v2__xxx_1_1mapped__file__handle_html_a5f3f5dd54b5c2cc9810621c05a6171f6"><div class="ttname"><a href="classafio__v2__xxx_1_1mapped__file__handle.html#a5f3f5dd54b5c2cc9810621c05a6171f6">afio_v2_xxx::mapped_file_handle::mapped_file_handle</a></div><div class="ttdeci">mapped_file_handle()=default</div><div class="ttdoc">Default constructor. </div></div> +<div class="ttc" id="classafio__v2__xxx_1_1handle_html_a45ff5c1c5662623d99156870dfeee0a7a244f58cf07c35fd48d7524b289551e5c"><div class="ttname"><a href="classafio__v2__xxx_1_1handle.html#a45ff5c1c5662623d99156870dfeee0a7a244f58cf07c35fd48d7524b289551e5c">afio_v2_xxx::handle::creation::truncate</a></div><div class="ttdoc">Atomically truncate on open, leaving creation date unmodified. </div></div> +<div class="ttc" id="classafio__v2__xxx_1_1handle_html_ab3d876f5996605158fd6a0582adadad6"><div class="ttname"><a href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">afio_v2_xxx::handle::flags</a></div><div class="ttdeci">flag flags() const noexcept</div><div class="ttdoc">The flags this handle was opened with. </div><div class="ttdef"><b>Definition:</b> handle.hpp:307</div></div> +<div class="ttc" id="classafio__v2__xxx_1_1file__handle_html_a6f4e7c6e9768c0e853105b1d63bd9dfb"><div class="ttname"><a href="classafio__v2__xxx_1_1file__handle.html#a6f4e7c6e9768c0e853105b1d63bd9dfb">afio_v2_xxx::file_handle::file</a></div><div class="ttdeci">static result< file_handle > file(const path_handle &base, path_view_type _path, mode _mode=mode::read, creation _creation=creation::open_existing, caching _caching=caching::all, flag flags=flag::none) noexcept</div></div> +<div class="ttc" id="classafio__v2__xxx_1_1handle_html_a0489b6c1e25cd2bad2ba1ec86e1aaf18a9516dfb15f51c7ee19a4d46b8c0dbe1d"><div class="ttname"><a href="classafio__v2__xxx_1_1handle.html#a0489b6c1e25cd2bad2ba1ec86e1aaf18a9516dfb15f51c7ee19a4d46b8c0dbe1d">afio_v2_xxx::handle::mode::append</a></div><div class="ttdoc">All mainstream OSs and CIFS guarantee this is atomic with respect to all other appenders (FILE_APPEND...</div></div> +</div><!-- fragment --> </div> </div> <a class="anchor" id="a1bb7ab6d64156732e0e6c26c47fbbf77"></a> @@ -973,9 +1036,9 @@ For portability, you can only assume that barriers write order for a single hand </table> </div><div class="memdoc"> <p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p> -<div class="fragment"><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> { <span class="keywordflow">return</span> <a class="code" href="classafio__v2__xxx_1_1mapped__file__handle.html#aedf10997693cf088cf9d67720c4defe1">mapped_file</a>(0, base, _path, _mode, _creation, _caching, <a class="code" href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">flags</a>); }</div> -<div class="ttc" id="classafio__v2__xxx_1_1handle_html_ab3d876f5996605158fd6a0582adadad6"><div class="ttname"><a href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">afio_v2_xxx::handle::flags</a></div><div class="ttdeci">flag flags() const noexcept</div><div class="ttdoc">The flags this handle was opened with. </div><div class="ttdef"><b>Definition:</b> handle.hpp:306</div></div> -<div class="ttc" id="classafio__v2__xxx_1_1mapped__file__handle_html_aedf10997693cf088cf9d67720c4defe1"><div class="ttname"><a href="classafio__v2__xxx_1_1mapped__file__handle.html#aedf10997693cf088cf9d67720c4defe1">afio_v2_xxx::mapped_file_handle::mapped_file</a></div><div class="ttdeci">static result< mapped_file_handle > mapped_file(size_type reservation, const path_handle &base, path_view_type _path, mode _mode=mode::read, creation _creation=creation::open_existing, caching _caching=caching::all, flag flags=flag::none) noexcept</div></div> +<div class="fragment"><div class="line"><a name="l00230"></a><span class="lineno"> 230</span> { <span class="keywordflow">return</span> <a class="code" href="classafio__v2__xxx_1_1mapped__file__handle.html#aedf10997693cf088cf9d67720c4defe1">mapped_file</a>(0, base, _path, _mode, _creation, _caching, <a class="code" href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">flags</a>); }</div> +<div class="ttc" id="classafio__v2__xxx_1_1handle_html_ab3d876f5996605158fd6a0582adadad6"><div class="ttname"><a href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">afio_v2_xxx::handle::flags</a></div><div class="ttdeci">flag flags() const noexcept</div><div class="ttdoc">The flags this handle was opened with. </div><div class="ttdef"><b>Definition:</b> handle.hpp:307</div></div> +<div class="ttc" id="classafio__v2__xxx_1_1mapped__file__handle_html_aedf10997693cf088cf9d67720c4defe1"><div class="ttname"><a href="classafio__v2__xxx_1_1mapped__file__handle.html#aedf10997693cf088cf9d67720c4defe1">afio_v2_xxx::mapped_file_handle::mapped_file</a></div><div class="ttdeci">static result< mapped_file_handle > mapped_file(size_type reservation, const path_handle &base, path_view_type _path, mode _mode=mode::read, creation _creation=creation::open_existing, caching _caching=caching::all, flag flags=flag::none) noexcept</div><div class="ttdef"><b>Definition:</b> mapped_file_handle.hpp:203</div></div> </div><!-- fragment --> </div> </div> @@ -1030,26 +1093,26 @@ For portability, you can only assume that barriers write order for a single hand </div><div class="memdoc"> <p>Create an mapped file handle creating a randomly named file on a path. The file is opened exclusively with <code>creation::only_if_not_exist</code> so it will never collide with nor overwrite any existing file. Note also that caching defaults to temporary which hints to the OS to only flush changes to physical storage as lately as possible.</p> <dl class="section user"><dt>Errors returnable</dt><dd>Any of the values POSIX open() or CreateFile() can return. </dd></dl> -<div class="fragment"><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  {</div> -<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordflow">try</span></div> -<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  {</div> -<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">for</span>(;;)</div> -<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  {</div> -<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keyword">auto</span> randomname = <a class="code" href="namespaceafio__v2__xxx_1_1utils.html#a767b8434456319066194534a4c4edbf5">utils::random_string</a>(32);</div> -<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  randomname.append(<span class="stringliteral">".random"</span>);</div> -<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  result<mapped_file_handle> ret = <a class="code" href="classafio__v2__xxx_1_1mapped__file__handle.html#aedf10997693cf088cf9d67720c4defe1">mapped_file</a>(reservation, dirpath, randomname, _mode, creation::only_if_not_exist, _caching, <a class="code" href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">flags</a>);</div> -<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordflow">if</span>(ret || (!ret && ret.error() != std::errc::file_exists))</div> -<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordflow">return</span> ret;</div> -<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  }</div> -<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  }</div> -<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordflow">catch</span>(...)</div> -<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  {</div> -<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordflow">return</span> error_from_exception();</div> -<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  }</div> -<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  }</div> +<div class="fragment"><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  {</div> +<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordflow">try</span></div> +<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  {</div> +<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keywordflow">for</span>(;;)</div> +<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  {</div> +<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keyword">auto</span> randomname = <a class="code" href="namespaceafio__v2__xxx_1_1utils.html#a767b8434456319066194534a4c4edbf5">utils::random_string</a>(32);</div> +<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  randomname.append(<span class="stringliteral">".random"</span>);</div> +<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  result<mapped_file_handle> ret = <a class="code" href="classafio__v2__xxx_1_1mapped__file__handle.html#aedf10997693cf088cf9d67720c4defe1">mapped_file</a>(reservation, dirpath, randomname, _mode, creation::only_if_not_exist, _caching, <a class="code" href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">flags</a>);</div> +<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keywordflow">if</span>(ret || (!ret && ret.error() != std::errc::file_exists))</div> +<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keywordflow">return</span> ret;</div> +<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  }</div> +<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  }</div> +<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keywordflow">catch</span>(...)</div> +<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  {</div> +<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="keywordflow">return</span> error_from_exception();</div> +<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  }</div> +<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  }</div> <div class="ttc" id="namespaceafio__v2__xxx_1_1utils_html_a767b8434456319066194534a4c4edbf5"><div class="ttname"><a href="namespaceafio__v2__xxx_1_1utils.html#a767b8434456319066194534a4c4edbf5">afio_v2_xxx::utils::random_string</a></div><div class="ttdeci">std::string random_string(size_t randomlen)</div><div class="ttdoc">Returns a cryptographically random string capable of being used as a filename. Essentially random_fil...</div><div class="ttdef"><b>Definition:</b> utils.hpp:130</div></div> -<div class="ttc" id="classafio__v2__xxx_1_1handle_html_ab3d876f5996605158fd6a0582adadad6"><div class="ttname"><a href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">afio_v2_xxx::handle::flags</a></div><div class="ttdeci">flag flags() const noexcept</div><div class="ttdoc">The flags this handle was opened with. </div><div class="ttdef"><b>Definition:</b> handle.hpp:306</div></div> -<div class="ttc" id="classafio__v2__xxx_1_1mapped__file__handle_html_aedf10997693cf088cf9d67720c4defe1"><div class="ttname"><a href="classafio__v2__xxx_1_1mapped__file__handle.html#aedf10997693cf088cf9d67720c4defe1">afio_v2_xxx::mapped_file_handle::mapped_file</a></div><div class="ttdeci">static result< mapped_file_handle > mapped_file(size_type reservation, const path_handle &base, path_view_type _path, mode _mode=mode::read, creation _creation=creation::open_existing, caching _caching=caching::all, flag flags=flag::none) noexcept</div></div> +<div class="ttc" id="classafio__v2__xxx_1_1handle_html_ab3d876f5996605158fd6a0582adadad6"><div class="ttname"><a href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">afio_v2_xxx::handle::flags</a></div><div class="ttdeci">flag flags() const noexcept</div><div class="ttdoc">The flags this handle was opened with. </div><div class="ttdef"><b>Definition:</b> handle.hpp:307</div></div> +<div class="ttc" id="classafio__v2__xxx_1_1mapped__file__handle_html_aedf10997693cf088cf9d67720c4defe1"><div class="ttname"><a href="classafio__v2__xxx_1_1mapped__file__handle.html#aedf10997693cf088cf9d67720c4defe1">afio_v2_xxx::mapped_file_handle::mapped_file</a></div><div class="ttdeci">static result< mapped_file_handle > mapped_file(size_type reservation, const path_handle &base, path_view_type _path, mode _mode=mode::read, creation _creation=creation::open_existing, caching _caching=caching::all, flag flags=flag::none) noexcept</div><div class="ttdef"><b>Definition:</b> mapped_file_handle.hpp:203</div></div> </div><!-- fragment --> </div> </div> @@ -1111,15 +1174,15 @@ For portability, you can only assume that barriers write order for a single hand <p>Create a mapped file handle creating the named file on some path which the OS declares to be suitable for temporary files. Most OSs are very lazy about flushing changes made to these temporary files. Note the default flags are to have the newly created file deleted on first handle close. Note also that an empty name is equivalent to calling <code>mapped_random_file(temporary_files_directory())</code> and the creation parameter is ignored.</p> <dl class="section note"><dt>Note</dt><dd>If the temporary file you are creating is not going to have its path sent to another process for usage, this is the WRONG function to use. Use <code>temp_inode()</code> instead, it is far more secure.</dd></dl> <dl class="section user"><dt>Errors returnable</dt><dd>Any of the values POSIX open() or CreateFile() can return. </dd></dl> -<div class="fragment"><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  {</div> -<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  OUTCOME_TRY(tempdirh, <a class="code" href="classafio__v2__xxx_1_1path__handle.html#a5cbd1d67ffe72d6cce0d093f861a4af7">path_handle::path</a>(<a class="code" href="namespaceafio__v2__xxx.html#a4968bb2d647535f4b91427c66ff8b9e4">temporary_files_directory</a>()));</div> -<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keywordflow">return</span> name.empty() ? <a class="code" href="classafio__v2__xxx_1_1mapped__file__handle.html#a00875e717f4b2725bb58ecbb5310fc6f">mapped_random_file</a>(reservation, tempdirh, _mode, _caching, <a class="code" href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">flags</a>) : <a class="code" href="classafio__v2__xxx_1_1mapped__file__handle.html#aedf10997693cf088cf9d67720c4defe1">mapped_file</a>(reservation, tempdirh, name, _mode, _creation, _caching, <a class="code" href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">flags</a>);</div> -<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  }</div> +<div class="fragment"><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  {</div> +<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  OUTCOME_TRY(tempdirh, <a class="code" href="classafio__v2__xxx_1_1path__handle.html#a5cbd1d67ffe72d6cce0d093f861a4af7">path_handle::path</a>(<a class="code" href="namespaceafio__v2__xxx.html#a4968bb2d647535f4b91427c66ff8b9e4">temporary_files_directory</a>()));</div> +<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="keywordflow">return</span> name.empty() ? <a class="code" href="classafio__v2__xxx_1_1mapped__file__handle.html#a00875e717f4b2725bb58ecbb5310fc6f">mapped_random_file</a>(reservation, tempdirh, _mode, _caching, <a class="code" href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">flags</a>) : <a class="code" href="classafio__v2__xxx_1_1mapped__file__handle.html#aedf10997693cf088cf9d67720c4defe1">mapped_file</a>(reservation, tempdirh, name, _mode, _creation, _caching, <a class="code" href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">flags</a>);</div> +<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  }</div> <div class="ttc" id="namespaceafio__v2__xxx_html_a4968bb2d647535f4b91427c66ff8b9e4"><div class="ttname"><a href="namespaceafio__v2__xxx.html#a4968bb2d647535f4b91427c66ff8b9e4">afio_v2_xxx::temporary_files_directory</a></div><div class="ttdeci">path_view temporary_files_directory() noexcept</div><div class="ttdoc">Returns a path to a directory reported by the operating system to be suitable for storing temporary f...</div></div> -<div class="ttc" id="classafio__v2__xxx_1_1mapped__file__handle_html_a00875e717f4b2725bb58ecbb5310fc6f"><div class="ttname"><a href="classafio__v2__xxx_1_1mapped__file__handle.html#a00875e717f4b2725bb58ecbb5310fc6f">afio_v2_xxx::mapped_file_handle::mapped_random_file</a></div><div class="ttdeci">static result< mapped_file_handle > mapped_random_file(size_type reservation, const path_handle &dirpath, mode _mode=mode::write, caching _caching=caching::temporary, flag flags=flag::none) noexcept</div><div class="ttdef"><b>Definition:</b> mapped_file_handle.hpp:175</div></div> +<div class="ttc" id="classafio__v2__xxx_1_1mapped__file__handle_html_a00875e717f4b2725bb58ecbb5310fc6f"><div class="ttname"><a href="classafio__v2__xxx_1_1mapped__file__handle.html#a00875e717f4b2725bb58ecbb5310fc6f">afio_v2_xxx::mapped_file_handle::mapped_random_file</a></div><div class="ttdeci">static result< mapped_file_handle > mapped_random_file(size_type reservation, const path_handle &dirpath, mode _mode=mode::write, caching _caching=caching::temporary, flag flags=flag::none) noexcept</div><div class="ttdef"><b>Definition:</b> mapped_file_handle.hpp:241</div></div> <div class="ttc" id="classafio__v2__xxx_1_1path__handle_html_a5cbd1d67ffe72d6cce0d093f861a4af7"><div class="ttname"><a href="classafio__v2__xxx_1_1path__handle.html#a5cbd1d67ffe72d6cce0d093f861a4af7">afio_v2_xxx::path_handle::path</a></div><div class="ttdeci">static result< path_handle > path(const path_handle &base, path_view_type _path) noexcept</div></div> -<div class="ttc" id="classafio__v2__xxx_1_1handle_html_ab3d876f5996605158fd6a0582adadad6"><div class="ttname"><a href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">afio_v2_xxx::handle::flags</a></div><div class="ttdeci">flag flags() const noexcept</div><div class="ttdoc">The flags this handle was opened with. </div><div class="ttdef"><b>Definition:</b> handle.hpp:306</div></div> -<div class="ttc" id="classafio__v2__xxx_1_1mapped__file__handle_html_aedf10997693cf088cf9d67720c4defe1"><div class="ttname"><a href="classafio__v2__xxx_1_1mapped__file__handle.html#aedf10997693cf088cf9d67720c4defe1">afio_v2_xxx::mapped_file_handle::mapped_file</a></div><div class="ttdeci">static result< mapped_file_handle > mapped_file(size_type reservation, const path_handle &base, path_view_type _path, mode _mode=mode::read, creation _creation=creation::open_existing, caching _caching=caching::all, flag flags=flag::none) noexcept</div></div> +<div class="ttc" id="classafio__v2__xxx_1_1handle_html_ab3d876f5996605158fd6a0582adadad6"><div class="ttname"><a href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">afio_v2_xxx::handle::flags</a></div><div class="ttdeci">flag flags() const noexcept</div><div class="ttdoc">The flags this handle was opened with. </div><div class="ttdef"><b>Definition:</b> handle.hpp:307</div></div> +<div class="ttc" id="classafio__v2__xxx_1_1mapped__file__handle_html_aedf10997693cf088cf9d67720c4defe1"><div class="ttname"><a href="classafio__v2__xxx_1_1mapped__file__handle.html#aedf10997693cf088cf9d67720c4defe1">afio_v2_xxx::mapped_file_handle::mapped_file</a></div><div class="ttdeci">static result< mapped_file_handle > mapped_file(size_type reservation, const path_handle &base, path_view_type _path, mode _mode=mode::read, creation _creation=creation::open_existing, caching _caching=caching::all, flag flags=flag::none) noexcept</div><div class="ttdef"><b>Definition:</b> mapped_file_handle.hpp:203</div></div> </div><!-- fragment --> </div> </div> @@ -1162,15 +1225,14 @@ For portability, you can only assume that barriers write order for a single hand </div><div class="memdoc"> <p><em>Securely</em> create a mapped file handle creating a temporary anonymous inode in the filesystem referred to by <em>dirpath</em>. The inode created has no name nor accessible path on the filing system and ceases to exist as soon as the last handle is closed, making it ideal for use as a temporary file where other processes do not need to have access to its contents via some path on the filing system (a classic use case is for backing shared memory maps).</p> <dl class="section user"><dt>Errors returnable</dt><dd>Any of the values POSIX open() or CreateFile() can return. </dd></dl> -<div class="fragment"><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  {</div> -<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="comment">// Open it overlapped, otherwise no difference.</span></div> -<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  OUTCOME_TRY(v, <a class="code" href="classafio__v2__xxx_1_1file__handle.html#a2910fdfa511d1295e36e2eb015b989ac">file_handle::temp_inode</a>(std::move(dirpath), std::move(_mode), <a class="code" href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">flags</a>));</div> -<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <a class="code" href="classafio__v2__xxx_1_1mapped__file__handle.html#a5f3f5dd54b5c2cc9810621c05a6171f6">mapped_file_handle</a> ret(std::move(v));</div> -<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keywordflow">return</span> std::move(ret);</div> -<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  }</div> +<div class="fragment"><div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  {</div> +<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  OUTCOME_TRY(v, <a class="code" href="classafio__v2__xxx_1_1file__handle.html#a2910fdfa511d1295e36e2eb015b989ac">file_handle::temp_inode</a>(std::move(dirpath), std::move(_mode), <a class="code" href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">flags</a>));</div> +<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <a class="code" href="classafio__v2__xxx_1_1mapped__file__handle.html#a5f3f5dd54b5c2cc9810621c05a6171f6">mapped_file_handle</a> ret(std::move(v));</div> +<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="keywordflow">return</span> std::move(ret);</div> +<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  }</div> <div class="ttc" id="classafio__v2__xxx_1_1mapped__file__handle_html_a5f3f5dd54b5c2cc9810621c05a6171f6"><div class="ttname"><a href="classafio__v2__xxx_1_1mapped__file__handle.html#a5f3f5dd54b5c2cc9810621c05a6171f6">afio_v2_xxx::mapped_file_handle::mapped_file_handle</a></div><div class="ttdeci">mapped_file_handle()=default</div><div class="ttdoc">Default constructor. </div></div> <div class="ttc" id="classafio__v2__xxx_1_1file__handle_html_a2910fdfa511d1295e36e2eb015b989ac"><div class="ttname"><a href="classafio__v2__xxx_1_1file__handle.html#a2910fdfa511d1295e36e2eb015b989ac">afio_v2_xxx::file_handle::temp_inode</a></div><div class="ttdeci">static result< file_handle > temp_inode(path_view_type dirpath=temporary_files_directory(), mode _mode=mode::write, flag flags=flag::none) noexcept</div></div> -<div class="ttc" id="classafio__v2__xxx_1_1handle_html_ab3d876f5996605158fd6a0582adadad6"><div class="ttname"><a href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">afio_v2_xxx::handle::flags</a></div><div class="ttdeci">flag flags() const noexcept</div><div class="ttdoc">The flags this handle was opened with. </div><div class="ttdef"><b>Definition:</b> handle.hpp:306</div></div> +<div class="ttc" id="classafio__v2__xxx_1_1handle_html_ab3d876f5996605158fd6a0582adadad6"><div class="ttname"><a href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">afio_v2_xxx::handle::flags</a></div><div class="ttdeci">flag flags() const noexcept</div><div class="ttdoc">The flags this handle was opened with. </div><div class="ttdef"><b>Definition:</b> handle.hpp:307</div></div> </div><!-- fragment --> </div> </div> @@ -1292,7 +1354,7 @@ For portability, you can only assume that barriers write order for a single hand <div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  }</div> <div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  }</div> <div class="ttc" id="namespaceafio__v2__xxx_1_1utils_html_a767b8434456319066194534a4c4edbf5"><div class="ttname"><a href="namespaceafio__v2__xxx_1_1utils.html#a767b8434456319066194534a4c4edbf5">afio_v2_xxx::utils::random_string</a></div><div class="ttdeci">std::string random_string(size_t randomlen)</div><div class="ttdoc">Returns a cryptographically random string capable of being used as a filename. Essentially random_fil...</div><div class="ttdef"><b>Definition:</b> utils.hpp:130</div></div> -<div class="ttc" id="classafio__v2__xxx_1_1handle_html_ab3d876f5996605158fd6a0582adadad6"><div class="ttname"><a href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">afio_v2_xxx::handle::flags</a></div><div class="ttdeci">flag flags() const noexcept</div><div class="ttdoc">The flags this handle was opened with. </div><div class="ttdef"><b>Definition:</b> handle.hpp:306</div></div> +<div class="ttc" id="classafio__v2__xxx_1_1handle_html_ab3d876f5996605158fd6a0582adadad6"><div class="ttname"><a href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">afio_v2_xxx::handle::flags</a></div><div class="ttdeci">flag flags() const noexcept</div><div class="ttdoc">The flags this handle was opened with. </div><div class="ttdef"><b>Definition:</b> handle.hpp:307</div></div> <div class="ttc" id="classafio__v2__xxx_1_1file__handle_html_a6f4e7c6e9768c0e853105b1d63bd9dfb"><div class="ttname"><a href="classafio__v2__xxx_1_1file__handle.html#a6f4e7c6e9768c0e853105b1d63bd9dfb">afio_v2_xxx::file_handle::file</a></div><div class="ttdeci">static result< file_handle > file(const path_handle &base, path_view_type _path, mode _mode=mode::read, creation _creation=creation::open_existing, caching _caching=caching::all, flag flags=flag::none) noexcept</div></div> </div><!-- fragment --> </div> @@ -1431,7 +1493,7 @@ For portability, you can only assume that barriers write order for a single hand </table> </div><div class="memdoc"> -<p>Read data from the mapped file. </p> +<p>Read data from the mapped file. Note that this works with the reservation size, not the valid length, and thus reading past <code>length()</code> is undefined behaviour. </p> <dl class="section note"><dt>Note</dt><dd>Because this implementation never copies memory, you can pass in buffers with a null address.</dd></dl> <dl class="section return"><dt>Returns</dt><dd>The buffers read, which will never be the buffers input because they will point into the mapped view. The size of each scatter-gather buffer is updated with the number of bytes of that buffer transferred. </dd></dl> <dl class="params"><dt>Parameters</dt><dd> @@ -1443,7 +1505,7 @@ For portability, you can only assume that barriers write order for a single hand </dl> <dl class="section user"><dt>Errors returnable</dt><dd>None, though the various signals and structured exception throws common to using memory maps may occur. </dd></dl> <dl class="section user"><dt>Memory Allocations</dt><dd>None. </dd></dl> -<div class="fragment"><div class="line"><a name="l00300"></a><span class="lineno"> 300</span> { <span class="keywordflow">return</span> _mh.<a class="code" href="classafio__v2__xxx_1_1map__handle.html#ad50026d4eca2ddd77b5f9877666857b8">read</a>(std::move(reqs), std::move(d)); }</div> +<div class="fragment"><div class="line"><a name="l00395"></a><span class="lineno"> 395</span> { <span class="keywordflow">return</span> _mh.<a class="code" href="classafio__v2__xxx_1_1map__handle.html#ad50026d4eca2ddd77b5f9877666857b8">read</a>(std::move(reqs), std::move(d)); }</div> <div class="ttc" id="classafio__v2__xxx_1_1map__handle_html_ad50026d4eca2ddd77b5f9877666857b8"><div class="ttname"><a href="classafio__v2__xxx_1_1map__handle.html#ad50026d4eca2ddd77b5f9877666857b8">afio_v2_xxx::map_handle::read</a></div><div class="ttdeci">virtual io_result< buffers_type > read(io_request< buffers_type > reqs, deadline d=deadline()) noexceptoverride</div><div class="ttdoc">Read data from the mapped view. </div></div> </div><!-- fragment --> </div> @@ -1506,6 +1568,39 @@ For portability, you can only assume that barriers write order for a single hand </div> </div> +<a class="anchor" id="a7c7dc970e310638e02db15fb54a713c3"></a> +<div class="memitem"> +<div class="memproto"> +<table class="mlabels"> + <tr> + <td class="mlabels-left"> + <table class="memname"> + <tr> + <td class="memname">result<size_type> afio_v2_xxx::mapped_file_handle::reserve </td> + <td>(</td> + <td class="paramtype">size_type </td> + <td class="paramname"><em>reservation</em> = <code>0</code></td><td>)</td> + <td></td> + </tr> + </table> + </td> + <td class="mlabels-right"> +<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">noexcept</span></span> </td> + </tr> +</table> +</div><div class="memdoc"> + +<p>Reserve a new amount of address space for mapping future expansion of this file. </p> +<dl class="params"><dt>Parameters</dt><dd> + <table class="params"> + <tr><td class="paramname">reservation</td><td>The number of bytes of virtual address space to reserve. Zero means reserve the current length of the underlying file.</td></tr> + </table> + </dd> +</dl> +<p>Note that this is an expensive call, and <code>address()</code> may return a different value afterwards. This call will fail if the underlying file has zero length. </p> + +</div> +</div> <a class="anchor" id="af1610ec7fb0a41f039e3e17e0dc467ab"></a> <div class="memitem"> <div class="memproto"> @@ -1621,7 +1716,7 @@ For portability, you can only assume that barriers write order for a single hand <div class="ttc" id="namespaceafio__v2__xxx_html_a4968bb2d647535f4b91427c66ff8b9e4"><div class="ttname"><a href="namespaceafio__v2__xxx.html#a4968bb2d647535f4b91427c66ff8b9e4">afio_v2_xxx::temporary_files_directory</a></div><div class="ttdeci">path_view temporary_files_directory() noexcept</div><div class="ttdoc">Returns a path to a directory reported by the operating system to be suitable for storing temporary f...</div></div> <div class="ttc" id="classafio__v2__xxx_1_1path__handle_html_a5cbd1d67ffe72d6cce0d093f861a4af7"><div class="ttname"><a href="classafio__v2__xxx_1_1path__handle.html#a5cbd1d67ffe72d6cce0d093f861a4af7">afio_v2_xxx::path_handle::path</a></div><div class="ttdeci">static result< path_handle > path(const path_handle &base, path_view_type _path) noexcept</div></div> <div class="ttc" id="classafio__v2__xxx_1_1file__handle_html_a7fdd164a8af6542c5fb80c514283c585"><div class="ttname"><a href="classafio__v2__xxx_1_1file__handle.html#a7fdd164a8af6542c5fb80c514283c585">afio_v2_xxx::file_handle::random_file</a></div><div class="ttdeci">static result< file_handle > random_file(const path_handle &dirpath, mode _mode=mode::write, caching _caching=caching::temporary, flag flags=flag::none) noexcept</div><div class="ttdef"><b>Definition:</b> file_handle.hpp:140</div></div> -<div class="ttc" id="classafio__v2__xxx_1_1handle_html_ab3d876f5996605158fd6a0582adadad6"><div class="ttname"><a href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">afio_v2_xxx::handle::flags</a></div><div class="ttdeci">flag flags() const noexcept</div><div class="ttdoc">The flags this handle was opened with. </div><div class="ttdef"><b>Definition:</b> handle.hpp:306</div></div> +<div class="ttc" id="classafio__v2__xxx_1_1handle_html_ab3d876f5996605158fd6a0582adadad6"><div class="ttname"><a href="classafio__v2__xxx_1_1handle.html#ab3d876f5996605158fd6a0582adadad6">afio_v2_xxx::handle::flags</a></div><div class="ttdeci">flag flags() const noexcept</div><div class="ttdoc">The flags this handle was opened with. </div><div class="ttdef"><b>Definition:</b> handle.hpp:307</div></div> <div class="ttc" id="classafio__v2__xxx_1_1file__handle_html_a6f4e7c6e9768c0e853105b1d63bd9dfb"><div class="ttname"><a href="classafio__v2__xxx_1_1file__handle.html#a6f4e7c6e9768c0e853105b1d63bd9dfb">afio_v2_xxx::file_handle::file</a></div><div class="ttdeci">static result< file_handle > file(const path_handle &base, path_view_type _path, mode _mode=mode::read, creation _creation=creation::open_existing, caching _caching=caching::all, flag flags=flag::none) noexcept</div></div> </div><!-- fragment --> </div> @@ -1690,9 +1785,9 @@ For portability, you can only assume that barriers write order for a single hand </table> </div><div class="memdoc"> -<p>Resize the current maximum permitted extent of the mapped file to the given extent, avoiding any new allocation of physical storage where supported. </p> +<p>Resize the current maximum permitted extent of the mapped file to the given extent, avoiding any new allocation of physical storage where supported, and mapping or unmapping any new pages up to the reservation to reflect the new maximum extent. </p> <p>Note that on extents based filing systems this will succeed even if there is insufficient free space on the storage medium. Only when pages are written to will the lack of sufficient free space be realised, resulting in an operating system specific exception.</p> -<dl class="section note"><dt>Note</dt><dd>On Microsoft Windows you cannot shrink a file below any section handle's extent in any process in the system. We do, of course, shrink the internally held section handle correctly before truncating the underlying file. However you will need to coordinate with any other processes to shrink their section handles first. This is partly why <code>section()</code> is exposed.</dd></dl> +<dl class="section note"><dt>Note</dt><dd>On Microsoft Windows you cannot shrink a file with a section handle open on it in any process in the system. We therefore <em>always</em> destroy the internal map and section before truncating, and then recreate the map and section afterwards if the new size is not zero. <code>address()</code> therefore may change. You will need to ensure all other users of the same file close their section and map handles before any process can shrink the underlying file.</dd></dl> <dl class="section return"><dt>Returns</dt><dd>The bytes actually truncated to. </dd></dl> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> @@ -1705,32 +1800,6 @@ For portability, you can only assume that barriers write order for a single hand </div> </div> -<a class="anchor" id="aea61aa0d30653b72a8e877e3b507552a"></a> -<div class="memitem"> -<div class="memproto"> -<table class="mlabels"> - <tr> - <td class="mlabels-left"> - <table class="memname"> - <tr> - <td class="memname">result<extent_type> afio_v2_xxx::mapped_file_handle::truncate </td> - <td>(</td> - <td class="paramname"></td><td>)</td> - <td></td> - </tr> - </table> - </td> - <td class="mlabels-right"> -<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">noexcept</span></span> </td> - </tr> -</table> -</div><div class="memdoc"> - -<p>Resize the mapping to match that of the underlying file, returning the size of the underlying file. </p> -<p>If the internal section and map handle are invalid, they are restored unless the underlying file is zero length. </p> - -</div> -</div> <a class="anchor" id="a0a1c4773b9fa7bbd04fee0756075d319"></a> <div class="memitem"> <div class="memproto"> @@ -1769,7 +1838,7 @@ For portability, you can only assume that barriers write order for a single hand </table> </div><div class="memdoc"> <p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p> -<div class="fragment"><div class="line"><a name="l00405"></a><span class="lineno"> 405</span> { <span class="keywordflow">return</span> <a class="code" href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">lock</a>(offset, bytes, exclusive, deadline(std::chrono::seconds(0))); }</div> +<div class="fragment"><div class="line"><a name="l00407"></a><span class="lineno"> 407</span> { <span class="keywordflow">return</span> <a class="code" href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">lock</a>(offset, bytes, exclusive, deadline(std::chrono::seconds(0))); }</div> <div class="ttc" id="classafio__v2__xxx_1_1io__handle_html_a88689b15e6e8b6ce1f945737dee4369e"><div class="ttname"><a href="classafio__v2__xxx_1_1io__handle.html#a88689b15e6e8b6ce1f945737dee4369e">afio_v2_xxx::io_handle::lock</a></div><div class="ttdeci">virtual result< extent_guard > lock(extent_type offset, extent_type bytes, bool exclusive=true, deadline d=deadline()) noexcept</div><div class="ttdoc">Tries to lock the range of bytes specified for shared or exclusive access. Be aware this passes throu...</div></div> </div><!-- fragment --> </div> @@ -1852,6 +1921,33 @@ For portability, you can only assume that barriers write order for a single hand </div> </div> +<a class="anchor" id="a297b1f81b6d2875164e46a266c3f1f8a"></a> +<div class="memitem"> +<div class="memproto"> +<table class="mlabels"> + <tr> + <td class="mlabels-left"> + <table class="memname"> + <tr> + <td class="memname">result<extent_type> afio_v2_xxx::mapped_file_handle::update_map </td> + <td>(</td> + <td class="paramname"></td><td>)</td> + <td></td> + </tr> + </table> + </td> + <td class="mlabels-right"> +<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">noexcept</span></span> </td> + </tr> +</table> +</div><div class="memdoc"> + +<p>Efficiently update the mapping to match that of the underlying file, returning the size of the underlying file. </p> +<p>This call is often considerably less heavyweight than <code>truncate(newsize)</code>, and should be used where possible.</p> +<p>If the internal section and map handle are invalid, they are restored unless the underlying file is zero length. </p> + +</div> +</div> <a class="anchor" id="aefac4710e5617264347f437b04732c01"></a> <div class="memitem"> <div class="memproto"> @@ -1885,7 +1981,7 @@ For portability, you can only assume that barriers write order for a single hand </div><div class="memdoc"> <p>Write data to the open handle. </p> -<dl class="section warning"><dt>Warning</dt><dd>Depending on the implementation backend, not all of the buffers input may be written and the some buffers at the end of the returned buffers may return with zero bytes written. For example, with a zeroed deadline, some backends may only consume as many buffers as the system has available write slots for, thus for those backends this call is "non-blocking" in the sense that it will return immediately even if it could not schedule a single buffer write.</dd></dl> +<dl class="section warning"><dt>Warning</dt><dd>Depending on the implementation backend, not all of the buffers input may be written and the some buffers at the end of the returned buffers may return with zero bytes written. For example, with a zeroed deadline, some backends may only consume as many buffers as the system has available write slots for, thus for those backends this call is "non-blocking" in the sense that it will return immediately even if it could not schedule a single buffer write. Another example is that some implementations will not auto-extend the length of a file when a write exceeds the maximum extent, you will need to issue a <code>truncate(newsize)</code> first.</dd></dl> <dl class="section return"><dt>Returns</dt><dd>The buffers written, which may not be the buffers input. The size of each scatter-gather buffer is updated with the number of bytes of that buffer transferred. </dd></dl> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> @@ -1943,12 +2039,12 @@ For portability, you can only assume that barriers write order for a single hand </table> </div><div class="memdoc"> <p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p> -<div class="fragment"><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  {</div> -<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  const_buffer_type _reqs[1] = {{data, bytes}};</div> -<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  io_request<const_buffers_type> reqs(<a class="code" href="classafio__v2__xxx_1_1io__handle.html#a639b8760b1b98df95e4956f6cc56f6b5">const_buffers_type</a>(_reqs), offset);</div> -<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  OUTCOME_TRY(v, <a class="code" href="classafio__v2__xxx_1_1io__handle.html#aefac4710e5617264347f437b04732c01">write</a>(reqs, d));</div> -<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="keywordflow">return</span> *v.data();</div> -<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  }</div> +<div class="fragment"><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  {</div> +<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  const_buffer_type _reqs[1] = {{data, bytes}};</div> +<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  io_request<const_buffers_type> reqs(<a class="code" href="classafio__v2__xxx_1_1io__handle.html#a639b8760b1b98df95e4956f6cc56f6b5">const_buffers_type</a>(_reqs), offset);</div> +<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  OUTCOME_TRY(v, <a class="code" href="classafio__v2__xxx_1_1io__handle.html#aefac4710e5617264347f437b04732c01">write</a>(reqs, d));</div> +<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keywordflow">return</span> *v.data();</div> +<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  }</div> <div class="ttc" id="classafio__v2__xxx_1_1io__handle_html_a639b8760b1b98df95e4956f6cc56f6b5"><div class="ttname"><a href="classafio__v2__xxx_1_1io__handle.html#a639b8760b1b98df95e4956f6cc56f6b5">afio_v2_xxx::io_handle::const_buffers_type</a></div><div class="ttdeci">span< const_buffer_type > const_buffers_type</div><div class="ttdoc">The gather buffers type used by this handle. Guaranteed to be TrivialType apart from construction...</div><div class="ttdef"><b>Definition:</b> io_handle.hpp:78</div></div> <div class="ttc" id="classafio__v2__xxx_1_1io__handle_html_aefac4710e5617264347f437b04732c01"><div class="ttname"><a href="classafio__v2__xxx_1_1io__handle.html#aefac4710e5617264347f437b04732c01">afio_v2_xxx::io_handle::write</a></div><div class="ttdeci">virtual io_result< const_buffers_type > write(io_request< const_buffers_type > reqs, deadline d=deadline()) noexcept</div><div class="ttdoc">Write data to the open handle. </div></div> </div><!-- fragment --> @@ -1986,7 +2082,7 @@ For portability, you can only assume that barriers write order for a single hand </table> </div><div class="memdoc"> -<p>Write data to the mapped file. Note this will never extend past the current length of the mapped file. </p> +<p>Write data to the mapped file. Note that this works with the reservation size, not the valid length, and thus writing past <code>length()</code> is undefined behaviour. </p> <dl class="section return"><dt>Returns</dt><dd>The buffers written, which will never be the buffers input because they will point at where the data was copied into the mapped view. The size of each scatter-gather buffer is updated with the number of bytes of that buffer transferred. </dd></dl> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> @@ -1997,7 +2093,7 @@ For portability, you can only assume that barriers write order for a single hand </dl> <dl class="section user"><dt>Errors returnable</dt><dd>None, though the various signals and structured exception throws common to using memory maps may occur. </dd></dl> <dl class="section user"><dt>Memory Allocations</dt><dd>None. </dd></dl> -<div class="fragment"><div class="line"><a name="l00310"></a><span class="lineno"> 310</span> { <span class="keywordflow">return</span> _mh.<a class="code" href="classafio__v2__xxx_1_1map__handle.html#a162d844e3dfcfcfad698a404bd55ef04">write</a>(std::move(reqs), std::move(d)); }</div> +<div class="fragment"><div class="line"><a name="l00406"></a><span class="lineno"> 406</span> { <span class="keywordflow">return</span> _mh.<a class="code" href="classafio__v2__xxx_1_1map__handle.html#a162d844e3dfcfcfad698a404bd55ef04">write</a>(std::move(reqs), std::move(d)); }</div> <div class="ttc" id="classafio__v2__xxx_1_1map__handle_html_a162d844e3dfcfcfad698a404bd55ef04"><div class="ttname"><a href="classafio__v2__xxx_1_1map__handle.html#a162d844e3dfcfcfad698a404bd55ef04">afio_v2_xxx::map_handle::write</a></div><div class="ttdeci">virtual io_result< const_buffers_type > write(io_request< const_buffers_type > reqs, deadline d=deadline()) noexceptoverride</div><div class="ttdoc">Write data to the mapped view. </div></div> </div><!-- fragment --> </div> @@ -2055,12 +2151,12 @@ For portability, you can only assume that barriers write order for a single hand <dl class="section user"><dt>Memory Allocations</dt><dd>The default synchronous implementation in file_handle performs no memory allocation. The asynchronous implementation in async_file_handle may perform one calloc and one free. </dd></dl> <p>Reimplemented from <a class="el" href="classafio__v2__xxx_1_1file__handle.html#a649aa39b0d4b60a05d4aab4be569dcb6">afio_v2_xxx::file_handle</a>.</p> -<div class="fragment"><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  {</div> -<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  OUTCOME_TRYV(_mh.<a class="code" href="classafio__v2__xxx_1_1map__handle.html#ac35a85e8a6cca721640ddc6b5008e145">zero_memory</a>({_mh.<a class="code" href="classafio__v2__xxx_1_1map__handle.html#a1e9273d0c6aca7da6480437f6cf6638a">address</a>() + offset, bytes}));</div> -<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keywordflow">return</span> bytes;</div> -<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  }</div> +<div class="fragment"><div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  {</div> +<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  OUTCOME_TRYV(_mh.<a class="code" href="classafio__v2__xxx_1_1map__handle.html#ac35a85e8a6cca721640ddc6b5008e145">zero_memory</a>({_mh.<a class="code" href="classafio__v2__xxx_1_1map__handle.html#a1e9273d0c6aca7da6480437f6cf6638a">address</a>() + offset, bytes}));</div> +<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="keywordflow">return</span> bytes;</div> +<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  }</div> <div class="ttc" id="classafio__v2__xxx_1_1map__handle_html_ac35a85e8a6cca721640ddc6b5008e145"><div class="ttname"><a href="classafio__v2__xxx_1_1map__handle.html#ac35a85e8a6cca721640ddc6b5008e145">afio_v2_xxx::map_handle::zero_memory</a></div><div class="ttdeci">result< void > zero_memory(buffer_type region) noexcept</div></div> -<div class="ttc" id="classafio__v2__xxx_1_1map__handle_html_a1e9273d0c6aca7da6480437f6cf6638a"><div class="ttname"><a href="classafio__v2__xxx_1_1map__handle.html#a1e9273d0c6aca7da6480437f6cf6638a">afio_v2_xxx::map_handle::address</a></div><div class="ttdeci">char * address() const noexcept</div><div class="ttdoc">The address in memory where this mapped view resides. </div><div class="ttdef"><b>Definition:</b> map_handle.hpp:299</div></div> +<div class="ttc" id="classafio__v2__xxx_1_1map__handle_html_a1e9273d0c6aca7da6480437f6cf6638a"><div class="ttname"><a href="classafio__v2__xxx_1_1map__handle.html#a1e9273d0c6aca7da6480437f6cf6638a">afio_v2_xxx::map_handle::address</a></div><div class="ttdeci">char * address() const noexcept</div><div class="ttdoc">The address in memory where this mapped view resides. </div><div class="ttdef"><b>Definition:</b> map_handle.hpp:306</div></div> </div><!-- fragment --> </div> </div> diff --git a/classafio__v2__xxx_1_1mapped__file__handle.js b/classafio__v2__xxx_1_1mapped__file__handle.js index 99a2b42d..f22902cf 100644 --- a/classafio__v2__xxx_1_1mapped__file__handle.js +++ b/classafio__v2__xxx_1_1mapped__file__handle.js @@ -18,18 +18,19 @@ var classafio__v2__xxx_1_1mapped__file__handle = [ "size_type", "classafio__v2__xxx_1_1mapped__file__handle.html#abf39a6938fe3e58730921f69e197ce2e", null ], [ "unique_id_type", "classafio__v2__xxx_1_1mapped__file__handle.html#a0344f48ef10fa2b94199d5566aedd879", null ], [ "mapped_file_handle", "classafio__v2__xxx_1_1mapped__file__handle.html#a5f3f5dd54b5c2cc9810621c05a6171f6", null ], - [ "~mapped_file_handle", "classafio__v2__xxx_1_1mapped__file__handle.html#a79f750f3c1a5dfb5c92406ef04ccbda5", null ], - [ "mapped_file_handle", "classafio__v2__xxx_1_1mapped__file__handle.html#acfb095539345cd3ab37a6bbf379ac434", null ], - [ "mapped_file_handle", "classafio__v2__xxx_1_1mapped__file__handle.html#a01972772c9b438cc489325d34350257c", null ], + [ "mapped_file_handle", "classafio__v2__xxx_1_1mapped__file__handle.html#a1e5228aa6431b2770752e842bae5123b", null ], [ "mapped_file_handle", "classafio__v2__xxx_1_1mapped__file__handle.html#afd7469b8fa7aa8e0a3dd84cb42697621", null ], + [ "mapped_file_handle", "classafio__v2__xxx_1_1mapped__file__handle.html#a12b186b46922da667e4efdd9a63e061c", null ], [ "_fetch_inode", "classafio__v2__xxx_1_1mapped__file__handle.html#ae579de33d4d008c50b4da07b641b3ba5", null ], [ "address", "classafio__v2__xxx_1_1mapped__file__handle.html#adca505e51ea006ffa59e3673ea0a9853", null ], [ "are_reads_from_cache", "classafio__v2__xxx_1_1mapped__file__handle.html#a71137cb82edd9a1bcb24f64886b5826d", null ], [ "are_safety_fsyncs_issued", "classafio__v2__xxx_1_1mapped__file__handle.html#a3fc7db93fac699f5ecad453642ed314e", null ], [ "are_writes_durable", "classafio__v2__xxx_1_1mapped__file__handle.html#a97ffbbf53f51549549efef0b49e125dc", null ], - [ "barrier", "classafio__v2__xxx_1_1mapped__file__handle.html#a22df02b12a8b5f27e21da509aadb31d4", null ], [ "barrier", "classafio__v2__xxx_1_1mapped__file__handle.html#a243156928e89b8988a1412f211b3b603", null ], - [ "clone", "classafio__v2__xxx_1_1mapped__file__handle.html#ab37c9af33f662fa5e4cbfc1dff155607", null ], + [ "barrier", "classafio__v2__xxx_1_1mapped__file__handle.html#a22df02b12a8b5f27e21da509aadb31d4", null ], + [ "capacity", "classafio__v2__xxx_1_1mapped__file__handle.html#ae8e389b2dbdff1b1f155ea351f5ba9c5", null ], + [ "clone", "classafio__v2__xxx_1_1mapped__file__handle.html#ac544e656873ccf3b6665064f46cfaf2b", null ], + [ "clone", "classafio__v2__xxx_1_1mapped__file__handle.html#ac2ea4d6fa93d3f3506d285c923d5e36f", null ], [ "close", "classafio__v2__xxx_1_1mapped__file__handle.html#a78e774267e805fcb88e384d5ba09960f", null ], [ "current_path", "classafio__v2__xxx_1_1mapped__file__handle.html#a616a67222676af5ec5b3aa94d7c02428", null ], [ "extents", "classafio__v2__xxx_1_1mapped__file__handle.html#a03d1774e3ad8678fb4aac4ced57beeef", null ], @@ -63,6 +64,7 @@ var classafio__v2__xxx_1_1mapped__file__handle = [ "release", "classafio__v2__xxx_1_1mapped__file__handle.html#a778785515ac0c8a6b4d8aa4e852e4552", null ], [ "relink", "classafio__v2__xxx_1_1mapped__file__handle.html#a06da220c6d1cf3ee4c981ae15012560e", null ], [ "requires_aligned_io", "classafio__v2__xxx_1_1mapped__file__handle.html#affb10caeeca67b804695b7378be29e23", null ], + [ "reserve", "classafio__v2__xxx_1_1mapped__file__handle.html#a7c7dc970e310638e02db15fb54a713c3", null ], [ "section", "classafio__v2__xxx_1_1mapped__file__handle.html#af33b97dcd0a501da97baa39f44e418da", null ], [ "section", "classafio__v2__xxx_1_1mapped__file__handle.html#a04e89968a4391fcdc2b8cd9203337c32", null ], [ "service", "classafio__v2__xxx_1_1mapped__file__handle.html#a672324d44ea84ccfb71594c1036628ac", null ], @@ -74,12 +76,12 @@ var classafio__v2__xxx_1_1mapped__file__handle = [ "swap", "classafio__v2__xxx_1_1mapped__file__handle.html#afad1771041a8f2b9c6e848c0fc13df57", null ], [ "swap", "classafio__v2__xxx_1_1mapped__file__handle.html#a657c12a309cf02bf2351bfcc7f41463b", null ], [ "truncate", "classafio__v2__xxx_1_1mapped__file__handle.html#a47cd01f73559631556a0fd8817f01d48", null ], - [ "truncate", "classafio__v2__xxx_1_1mapped__file__handle.html#aea61aa0d30653b72a8e877e3b507552a", null ], [ "try_lock", "classafio__v2__xxx_1_1mapped__file__handle.html#a0a1c4773b9fa7bbd04fee0756075d319", null ], [ "underlying_file_length", "classafio__v2__xxx_1_1mapped__file__handle.html#a1dc81182455d0cceb0eb8db1a19df464", null ], [ "unique_id", "classafio__v2__xxx_1_1mapped__file__handle.html#a5a5244ab1a15053aefe93f2c253db5b3", null ], [ "unlink", "classafio__v2__xxx_1_1mapped__file__handle.html#a11d5f02b84c8fee8d81a5cbda0ef5765", null ], [ "unlock", "classafio__v2__xxx_1_1mapped__file__handle.html#a96b9da71ee7791fbaaa2470c936ec763", null ], + [ "update_map", "classafio__v2__xxx_1_1mapped__file__handle.html#a297b1f81b6d2875164e46a266c3f1f8a", null ], [ "write", "classafio__v2__xxx_1_1mapped__file__handle.html#aefac4710e5617264347f437b04732c01", null ], [ "write", "classafio__v2__xxx_1_1mapped__file__handle.html#ab26a3c5a18cdcc67a506533dbe55e2b3", null ], [ "write", "classafio__v2__xxx_1_1mapped__file__handle.html#ab5445524727b27b8df50347320bc8d6e", null ], @@ -89,6 +91,7 @@ var classafio__v2__xxx_1_1mapped__file__handle = [ "_flags", "classafio__v2__xxx_1_1mapped__file__handle.html#ac46e0a296c31fcd0a996a79d78647fb6", null ], [ "_inode", "classafio__v2__xxx_1_1mapped__file__handle.html#a3620b3c68611c77dd3cd98d77c073bd2", null ], [ "_mh", "classafio__v2__xxx_1_1mapped__file__handle.html#ae84ef76c65209bd3ed593cd64e3d7c2a", null ], + [ "_reservation", "classafio__v2__xxx_1_1mapped__file__handle.html#a9181a6c406a7206a743be7be368b17d8", null ], [ "_service", "classafio__v2__xxx_1_1mapped__file__handle.html#a959c04239b557c6d3c3c0e996563abb8", null ], [ "_sh", "classafio__v2__xxx_1_1mapped__file__handle.html#a7e45c857d47961469496795f1c5c242b", null ], [ "_v", "classafio__v2__xxx_1_1mapped__file__handle.html#a771ef2bf39ad784eb6265dde077792ad", null ] diff --git a/classafio__v2__xxx_1_1section__handle-members.html b/classafio__v2__xxx_1_1section__handle-members.html index 770ffc87..de1f220b 100644 --- a/classafio__v2__xxx_1_1section__handle-members.html +++ b/classafio__v2__xxx_1_1section__handle-members.html @@ -122,7 +122,7 @@ $(document).ready(function(){initNavTree('classafio__v2__xxx_1_1section__handle. <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a71137cb82edd9a1bcb24f64886b5826d">are_reads_from_cache</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a3fc7db93fac699f5ecad453642ed314e">are_safety_fsyncs_issued</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a97ffbbf53f51549549efef0b49e125dc">are_writes_durable</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1section__handle.html#aa4a1627091cc26b3fe0029c03b12b431">backing</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1section__handle.html">afio_v2_xxx::section_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1section__handle.html#acdebf8de23e97950968d3fba84141366">backing</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1section__handle.html">afio_v2_xxx::section_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1section__handle.html#a5464eac84bedf1ce13318451b3a95e93">backing_native_handle</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1section__handle.html">afio_v2_xxx::section_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a6f7e37c73271968271c2342023f58c9e">caching</a> enum name</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"></td></tr> <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a54790e954f57372b87b095451cc79c38">clone</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> @@ -149,7 +149,7 @@ $(document).ready(function(){initNavTree('classafio__v2__xxx_1_1section__handle. <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a4194a05dd9694d2c47d5a45f925db1d7">is_valid</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a5be9a526bc5c1be758b0cfc36a262f6e">is_writable</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a00f42a44de714feb3ed86dd0a175e69c">kernel_caching</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1section__handle.html#a7f36765bf63bbd31caf4e23cec6aa600">length</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1section__handle.html">afio_v2_xxx::section_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1section__handle.html#a9f0dec7d839f348c39e7a185777866ea">length</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1section__handle.html">afio_v2_xxx::section_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a0489b6c1e25cd2bad2ba1ec86e1aaf18">mode</a> enum name</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"></td></tr> <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a875440f1b368472f1840c70c266f3a48">native_handle</a>() const noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1section__handle.html#a22825af99eb92a3c137dc34e3e14252a">operator=</a>(section_handle &&o) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1section__handle.html">afio_v2_xxx::section_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> @@ -166,12 +166,13 @@ $(document).ready(function(){initNavTree('classafio__v2__xxx_1_1section__handle. <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1section__handle.html#a01f8bba023c65d628e001bb1a02e580c">section_handle</a>(native_handle_type sectionh, file_handle *backing, extent_type maximum_size, flag __flag)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1section__handle.html">afio_v2_xxx::section_handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">explicit</span></td></tr> <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1section__handle.html#a84ec7259dfb8bab518d3def875bdc6f2">section_handle</a>(section_handle &&o) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1section__handle.html">afio_v2_xxx::section_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#af1610ec7fb0a41f039e3e17e0dc467ab">set_append_only</a>(bool enable) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#ad90f8264470763069256ae9eeda45e69">set_kernel_caching</a>(caching caching) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> - <tr bgcolor="#f0f0f0" class="even"><td class="entry"><b>size_type</b> typedef (defined in <a class="el" href="classafio__v2__xxx_1_1section__handle.html">afio_v2_xxx::section_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1section__handle.html">afio_v2_xxx::section_handle</a></td><td class="entry"></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1section__handle.html#a852a6b382a9e69f568977b2cd53e0496">swap</a>(section_handle &o) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1section__handle.html">afio_v2_xxx::section_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a657c12a309cf02bf2351bfcc7f41463b">afio_v2_xxx::handle::swap</a>(handle &o) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1section__handle.html#a229f515ed3251071d374476204e23e30">truncate</a>(extent_type newsize=0) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1section__handle.html">afio_v2_xxx::section_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> - <tr bgcolor="#f0f0f0" class="even"><td class="entry"><b>~handle</b>() (defined in <a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1section__handle.html#a1b77cff150e130669624b5046b35e01e">set_backing</a>(file_handle *fh) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1section__handle.html">afio_v2_xxx::section_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#ad90f8264470763069256ae9eeda45e69">set_kernel_caching</a>(caching caching) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> + <tr bgcolor="#f0f0f0"><td class="entry"><b>size_type</b> typedef (defined in <a class="el" href="classafio__v2__xxx_1_1section__handle.html">afio_v2_xxx::section_handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1section__handle.html">afio_v2_xxx::section_handle</a></td><td class="entry"></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1section__handle.html#a852a6b382a9e69f568977b2cd53e0496">swap</a>(section_handle &o) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1section__handle.html">afio_v2_xxx::section_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html#a657c12a309cf02bf2351bfcc7f41463b">afio_v2_xxx::handle::swap</a>(handle &o) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr class="even"><td class="entry"><a class="el" href="classafio__v2__xxx_1_1section__handle.html#a229f515ed3251071d374476204e23e30">truncate</a>(extent_type newsize=0) noexcept</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1section__handle.html">afio_v2_xxx::section_handle</a></td><td class="entry"><span class="mlabel">inline</span></td></tr> + <tr bgcolor="#f0f0f0"><td class="entry"><b>~handle</b>() (defined in <a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a>)</td><td class="entry"><a class="el" href="classafio__v2__xxx_1_1handle.html">afio_v2_xxx::handle</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr> </table></div><!-- contents --> </div><!-- doc-content --> <!-- start footer part --> diff --git a/classafio__v2__xxx_1_1section__handle.html b/classafio__v2__xxx_1_1section__handle.html index 5f2e1166..79e6df50 100644 --- a/classafio__v2__xxx_1_1section__handle.html +++ b/classafio__v2__xxx_1_1section__handle.html @@ -195,7 +195,7 @@ constexpr </td><td class="memItemRight" valign="bottom"><a class="el" href= <tr class="memdesc:a2824f51d5726bb8015d89ac1ea7abe5f"><td class="mdescLeft"> </td><td class="mdescRight">Default constructor. <br/></td></tr> <tr class="separator:a2824f51d5726bb8015d89ac1ea7abe5f"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a01f8bba023c65d628e001bb1a02e580c"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a01f8bba023c65d628e001bb1a02e580c"></a> -constexpr </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1section__handle.html#a01f8bba023c65d628e001bb1a02e580c">section_handle</a> (<a class="el" href="structafio__v2__xxx_1_1native__handle__type.html">native_handle_type</a> sectionh, <a class="el" href="classafio__v2__xxx_1_1file__handle.html">file_handle</a> *<a class="el" href="classafio__v2__xxx_1_1section__handle.html#aa4a1627091cc26b3fe0029c03b12b431">backing</a>, <a class="el" href="classafio__v2__xxx_1_1handle.html#a818fff07c92eaab72532092d1c2a14f9">extent_type</a> maximum_size, flag __flag)</td></tr> +constexpr </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1section__handle.html#a01f8bba023c65d628e001bb1a02e580c">section_handle</a> (<a class="el" href="structafio__v2__xxx_1_1native__handle__type.html">native_handle_type</a> sectionh, <a class="el" href="classafio__v2__xxx_1_1file__handle.html">file_handle</a> *<a class="el" href="classafio__v2__xxx_1_1section__handle.html#acdebf8de23e97950968d3fba84141366">backing</a>, <a class="el" href="classafio__v2__xxx_1_1handle.html#a818fff07c92eaab72532092d1c2a14f9">extent_type</a> maximum_size, flag __flag)</td></tr> <tr class="memdesc:a01f8bba023c65d628e001bb1a02e580c"><td class="mdescLeft"> </td><td class="mdescRight">Construct a section handle using the given native handle type for the section and the given i/o handle for the backing storage. <br/></td></tr> <tr class="separator:a01f8bba023c65d628e001bb1a02e580c"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a84ec7259dfb8bab518d3def875bdc6f2"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a84ec7259dfb8bab518d3def875bdc6f2"></a> @@ -214,18 +214,22 @@ void </td><td class="memItemRight" valign="bottom"><a class="el" href="clas flag </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1section__handle.html#a0f95ed462d97954df59e6b56625ce899">section_flags</a> () const noexcept</td></tr> <tr class="memdesc:a0f95ed462d97954df59e6b56625ce899"><td class="mdescLeft"> </td><td class="mdescRight">Returns the memory section's flags. <br/></td></tr> <tr class="separator:a0f95ed462d97954df59e6b56625ce899"><td class="memSeparator" colspan="2"> </td></tr> -<tr class="memitem:aa4a1627091cc26b3fe0029c03b12b431"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa4a1627091cc26b3fe0029c03b12b431"></a> -<a class="el" href="classafio__v2__xxx_1_1io__handle.html">io_handle</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1section__handle.html#aa4a1627091cc26b3fe0029c03b12b431">backing</a> () const noexcept</td></tr> -<tr class="memdesc:aa4a1627091cc26b3fe0029c03b12b431"><td class="mdescLeft"> </td><td class="mdescRight">Returns the borrowed handle backing this section, if any. <br/></td></tr> -<tr class="separator:aa4a1627091cc26b3fe0029c03b12b431"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:acdebf8de23e97950968d3fba84141366"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="acdebf8de23e97950968d3fba84141366"></a> +<a class="el" href="classafio__v2__xxx_1_1file__handle.html">file_handle</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1section__handle.html#acdebf8de23e97950968d3fba84141366">backing</a> () const noexcept</td></tr> +<tr class="memdesc:acdebf8de23e97950968d3fba84141366"><td class="mdescLeft"> </td><td class="mdescRight">Returns the borrowed handle backing this section, if any. <br/></td></tr> +<tr class="separator:acdebf8de23e97950968d3fba84141366"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:a1b77cff150e130669624b5046b35e01e"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a1b77cff150e130669624b5046b35e01e"></a> +void </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1section__handle.html#a1b77cff150e130669624b5046b35e01e">set_backing</a> (<a class="el" href="classafio__v2__xxx_1_1file__handle.html">file_handle</a> *fh) noexcept</td></tr> +<tr class="memdesc:a1b77cff150e130669624b5046b35e01e"><td class="mdescLeft"> </td><td class="mdescRight">Sets the borrowed handle backing this section, if any. <br/></td></tr> +<tr class="separator:a1b77cff150e130669624b5046b35e01e"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a5464eac84bedf1ce13318451b3a95e93"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a5464eac84bedf1ce13318451b3a95e93"></a> <a class="el" href="structafio__v2__xxx_1_1native__handle__type.html">native_handle_type</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1section__handle.html#a5464eac84bedf1ce13318451b3a95e93">backing_native_handle</a> () const noexcept</td></tr> <tr class="memdesc:a5464eac84bedf1ce13318451b3a95e93"><td class="mdescLeft"> </td><td class="mdescRight">Returns the borrowed native handle backing this section. <br/></td></tr> <tr class="separator:a5464eac84bedf1ce13318451b3a95e93"><td class="memSeparator" colspan="2"> </td></tr> -<tr class="memitem:a7f36765bf63bbd31caf4e23cec6aa600"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a7f36765bf63bbd31caf4e23cec6aa600"></a> -<a class="el" href="classafio__v2__xxx_1_1handle.html#a818fff07c92eaab72532092d1c2a14f9">extent_type</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1section__handle.html#a7f36765bf63bbd31caf4e23cec6aa600">length</a> () const noexcept</td></tr> -<tr class="memdesc:a7f36765bf63bbd31caf4e23cec6aa600"><td class="mdescLeft"> </td><td class="mdescRight">Return the current maximum permitted extent of the memory section. <br/></td></tr> -<tr class="separator:a7f36765bf63bbd31caf4e23cec6aa600"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:a9f0dec7d839f348c39e7a185777866ea"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9f0dec7d839f348c39e7a185777866ea"></a> +result< <a class="el" href="classafio__v2__xxx_1_1handle.html#a818fff07c92eaab72532092d1c2a14f9">extent_type</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1section__handle.html#a9f0dec7d839f348c39e7a185777866ea">length</a> () const noexcept</td></tr> +<tr class="memdesc:a9f0dec7d839f348c39e7a185777866ea"><td class="mdescLeft"> </td><td class="mdescRight">Return the current maximum permitted extent of the memory section. <br/></td></tr> +<tr class="separator:a9f0dec7d839f348c39e7a185777866ea"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a229f515ed3251071d374476204e23e30"><td class="memItemLeft" align="right" valign="top">result< <a class="el" href="classafio__v2__xxx_1_1handle.html#a818fff07c92eaab72532092d1c2a14f9">extent_type</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1section__handle.html#a229f515ed3251071d374476204e23e30">truncate</a> (<a class="el" href="classafio__v2__xxx_1_1handle.html#a818fff07c92eaab72532092d1c2a14f9">extent_type</a> newsize=0) noexcept</td></tr> <tr class="separator:a229f515ed3251071d374476204e23e30"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a657c12a309cf02bf2351bfcc7f41463b"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a657c12a309cf02bf2351bfcc7f41463b"></a> @@ -327,10 +331,10 @@ flag </td><td class="memItemRight" valign="bottom"><a class="el" href="clas </table><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-methods"></a> Static Public Member Functions</h2></td></tr> -<tr class="memitem:a34cf4f9a6ec20c2a456d6b6313f0e595"><td class="memItemLeft" align="right" valign="top">static result< <a class="el" href="classafio__v2__xxx_1_1section__handle.html">section_handle</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1section__handle.html#a34cf4f9a6ec20c2a456d6b6313f0e595">section</a> (<a class="el" href="classafio__v2__xxx_1_1file__handle.html">file_handle</a> &<a class="el" href="classafio__v2__xxx_1_1section__handle.html#aa4a1627091cc26b3fe0029c03b12b431">backing</a>, <a class="el" href="classafio__v2__xxx_1_1handle.html#a818fff07c92eaab72532092d1c2a14f9">extent_type</a> maximum_size=0, flag _flag=flag::read|flag::write) noexcept</td></tr> +<tr class="memitem:a34cf4f9a6ec20c2a456d6b6313f0e595"><td class="memItemLeft" align="right" valign="top">static result< <a class="el" href="classafio__v2__xxx_1_1section__handle.html">section_handle</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1section__handle.html#a34cf4f9a6ec20c2a456d6b6313f0e595">section</a> (<a class="el" href="classafio__v2__xxx_1_1file__handle.html">file_handle</a> &<a class="el" href="classafio__v2__xxx_1_1section__handle.html#acdebf8de23e97950968d3fba84141366">backing</a>, <a class="el" href="classafio__v2__xxx_1_1handle.html#a818fff07c92eaab72532092d1c2a14f9">extent_type</a> maximum_size=0, flag _flag=flag::read|flag::write) noexcept</td></tr> <tr class="memdesc:a34cf4f9a6ec20c2a456d6b6313f0e595"><td class="mdescLeft"> </td><td class="mdescRight">Create a memory section. <a href="#a34cf4f9a6ec20c2a456d6b6313f0e595">More...</a><br/></td></tr> <tr class="separator:a34cf4f9a6ec20c2a456d6b6313f0e595"><td class="memSeparator" colspan="2"> </td></tr> -<tr class="memitem:a0a1ce2d9e66a0abab3c7fdfdb5514980"><td class="memItemLeft" align="right" valign="top">static result< <a class="el" href="classafio__v2__xxx_1_1section__handle.html">section_handle</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1section__handle.html#a0a1ce2d9e66a0abab3c7fdfdb5514980">section</a> (<a class="el" href="classafio__v2__xxx_1_1handle.html#a818fff07c92eaab72532092d1c2a14f9">extent_type</a> maximum_size, <a class="el" href="classafio__v2__xxx_1_1file__handle.html">file_handle</a> &<a class="el" href="classafio__v2__xxx_1_1section__handle.html#aa4a1627091cc26b3fe0029c03b12b431">backing</a>, flag _flag=flag::read|flag::write) noexcept</td></tr> +<tr class="memitem:a0a1ce2d9e66a0abab3c7fdfdb5514980"><td class="memItemLeft" align="right" valign="top">static result< <a class="el" href="classafio__v2__xxx_1_1section__handle.html">section_handle</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1section__handle.html#a0a1ce2d9e66a0abab3c7fdfdb5514980">section</a> (<a class="el" href="classafio__v2__xxx_1_1handle.html#a818fff07c92eaab72532092d1c2a14f9">extent_type</a> maximum_size, <a class="el" href="classafio__v2__xxx_1_1file__handle.html">file_handle</a> &<a class="el" href="classafio__v2__xxx_1_1section__handle.html#acdebf8de23e97950968d3fba84141366">backing</a>, flag _flag=flag::read|flag::write) noexcept</td></tr> <tr class="separator:a0a1ce2d9e66a0abab3c7fdfdb5514980"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a75e06de0b8bc9c0f04e7671c75a64708"><td class="memItemLeft" align="right" valign="top">static result< <a class="el" href="classafio__v2__xxx_1_1section__handle.html">section_handle</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classafio__v2__xxx_1_1section__handle.html#a75e06de0b8bc9c0f04e7671c75a64708">section</a> (<a class="el" href="classafio__v2__xxx_1_1handle.html#a818fff07c92eaab72532092d1c2a14f9">extent_type</a> maximum_size) noexcept</td></tr> <tr class="separator:a75e06de0b8bc9c0f04e7671c75a64708"><td class="memSeparator" colspan="2"> </td></tr> @@ -402,18 +406,18 @@ flag </td><td class="memItemRight" valign="bottom"><b>_flags</b></td></tr> <p>Cache reads and writes of data and metadata so they complete immediately, only sending any updates to storage on last handle close in the system or if memory becomes tight as this file is expected to be temporary (Windows and FreeBSD only). </p> </td></tr> </table> -<div class="fragment"><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  : <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> <span class="comment">// bit 0 set means safety fsyncs enabled</span></div> -<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  {</div> -<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  unchanged = 0,</div> -<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  none = 1, <span class="comment">//!< No caching whatsoever, all reads and writes come from storage (i.e. <tt>O_DIRECT|O_SYNC</tt>). Align all i/o to 4Kb boundaries for this to work. <tt>flag_disable_safety_fsyncs</tt> can be used here.</span></div> -<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="comment"></span> only_metadata = 2, <span class="comment">//!< Cache reads and writes of metadata but avoid caching data (<tt>O_DIRECT</tt>), thus i/o here does not affect other cached data for other handles. Align all i/o to 4Kb boundaries for this to work.</span></div> -<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="comment"></span> reads = 3, <span class="comment">//!< Cache reads only. Writes of data and metadata do not complete until reaching storage (<tt>O_SYNC</tt>). <tt>flag_disable_safety_fsyncs</tt> can be used here.</span></div> -<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="comment"></span> reads_and_metadata = 5, <span class="comment">//!< Cache reads and writes of metadata, but writes of data do not complete until reaching storage (<tt>O_DSYNC</tt>). <tt>flag_disable_safety_fsyncs</tt> can be used here.</span></div> -<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="comment"></span> all = 4, <span class="comment">//!< Cache reads and writes of data and metadata so they complete immediately, sending writes to storage at some point when the kernel decides (this is the default file system caching on a system).</span></div> -<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="comment"></span> safety_fsyncs = 7, <span class="comment">//!< Cache reads and writes of data and metadata so they complete immediately, but issue safety fsyncs at certain points. See documentation for <tt>flag_disable_safety_fsyncs</tt>.</span></div> -<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="comment"></span> temporary = 6 <span class="comment">//!< Cache reads and writes of data and metadata so they complete immediately, only sending any updates to storage on last handle close in the system or if memory becomes tight as this file is expected to be temporary (Windows and FreeBSD only).</span></div> -<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="comment"></span> <span class="comment">// NOTE: IF UPDATING THIS UPDATE THE std::ostream PRINTER BELOW!!!</span></div> -<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  };</div> +<div class="fragment"><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  : <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> <span class="comment">// bit 0 set means safety fsyncs enabled</span></div> +<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  {</div> +<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  unchanged = 0,</div> +<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  none = 1, <span class="comment">//!< No caching whatsoever, all reads and writes come from storage (i.e. <tt>O_DIRECT|O_SYNC</tt>). Align all i/o to 4Kb boundaries for this to work. <tt>flag_disable_safety_fsyncs</tt> can be used here.</span></div> +<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="comment"></span> only_metadata = 2, <span class="comment">//!< Cache reads and writes of metadata but avoid caching data (<tt>O_DIRECT</tt>), thus i/o here does not affect other cached data for other handles. Align all i/o to 4Kb boundaries for this to work.</span></div> +<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="comment"></span> reads = 3, <span class="comment">//!< Cache reads only. Writes of data and metadata do not complete until reaching storage (<tt>O_SYNC</tt>). <tt>flag_disable_safety_fsyncs</tt> can be used here.</span></div> +<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="comment"></span> reads_and_metadata = 5, <span class="comment">//!< Cache reads and writes of metadata, but writes of data do not complete until reaching storage (<tt>O_DSYNC</tt>). <tt>flag_disable_safety_fsyncs</tt> can be used here.</span></div> +<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="comment"></span> all = 4, <span class="comment">//!< Cache reads and writes of data and metadata so they complete immediately, sending writes to storage at some point when the kernel decides (this is the default file system caching on a system).</span></div> +<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="comment"></span> safety_fsyncs = 7, <span class="comment">//!< Cache reads and writes of data and metadata so they complete immediately, but issue safety fsyncs at certain points. See documentation for <tt>flag_disable_safety_fsyncs</tt>.</span></div> +<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="comment"></span> temporary = 6 <span class="comment">//!< Cache reads and writes of data and metadata so they complete immediately, only sending any updates to storage on last handle close in the system or if memory becomes tight as this file is expected to be temporary (Windows and FreeBSD only).</span></div> +<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="comment"></span> <span class="comment">// NOTE: IF UPDATING THIS UPDATE THE std::ostream PRINTER BELOW!!!</span></div> +<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  };</div> </div><!-- fragment --> </div> </div> @@ -441,14 +445,14 @@ flag </td><td class="memItemRight" valign="bottom"><b>_flags</b></td></tr> <p>Atomically truncate on open, leaving creation date unmodified. </p> </td></tr> </table> -<div class="fragment"><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  : <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span></div> -<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  {</div> -<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  open_existing = 0,</div> -<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  only_if_not_exist,</div> -<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  if_needed,</div> -<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <a class="code" href="namespaceafio__v2__xxx.html#a84d22c966fcabe50de30ad8cf26c7241">truncate</a> <span class="comment">//!< Atomically truncate on open, leaving creation date unmodified.</span></div> -<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="comment"></span> <span class="comment">// NOTE: IF UPDATING THIS UPDATE THE std::ostream PRINTER BELOW!!!</span></div> -<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  };</div> +<div class="fragment"><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  : <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span></div> +<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  {</div> +<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  open_existing = 0,</div> +<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  only_if_not_exist,</div> +<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  if_needed,</div> +<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <a class="code" href="namespaceafio__v2__xxx.html#a84d22c966fcabe50de30ad8cf26c7241">truncate</a> <span class="comment">//!< Atomically truncate on open, leaving creation date unmodified.</span></div> +<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="comment"></span> <span class="comment">// NOTE: IF UPDATING THIS UPDATE THE std::ostream PRINTER BELOW!!!</span></div> +<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  };</div> <div class="ttc" id="namespaceafio__v2__xxx_html_a84d22c966fcabe50de30ad8cf26c7241"><div class="ttname"><a href="namespaceafio__v2__xxx.html#a84d22c966fcabe50de30ad8cf26c7241">afio_v2_xxx::truncate</a></div><div class="ttdeci">result< file_handle::extent_type > truncate(file_handle &self, file_handle::extent_type newsize) noexcept</div><div class="ttdef"><b>Definition:</b> file_handle.hpp:343</div></div> </div><!-- fragment --> </div> @@ -492,19 +496,19 @@ flag </td><td class="memItemRight" valign="bottom"><b>_flags</b></td></tr> <p>All mainstream OSs and CIFS guarantee this is atomic with respect to all other appenders (FILE_APPEND_DATA|SYNCHRONISE or O_APPEND) </p> </td></tr> </table> -<div class="fragment"><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  : <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> <span class="comment">// bit 0 set means writable</span></div> -<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  {</div> -<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  unchanged = 0,</div> -<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  none = 2, <span class="comment">//!< No ability to read or write anything, but can synchronise (SYNCHRONIZE or 0)</span></div> -<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="comment"></span> attr_read = 4, <span class="comment">//!< Ability to read attributes (FILE_READ_ATTRIBUTES|SYNCHRONIZE or O_RDONLY)</span></div> -<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment"></span> attr_write = 5, <span class="comment">//!< Ability to read and write attributes (FILE_READ_ATTRIBUTES|FILE_WRITE_ATTRIBUTES|SYNCHRONIZE or O_RDONLY)</span></div> -<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="comment"></span> <a class="code" href="namespaceafio__v2__xxx.html#a3cff8f3910dbf47663e5df1dc7e5ba47">read</a> = 6, <span class="comment">//!< Ability to read (READ_CONTROL|FILE_READ_DATA|FILE_READ_ATTRIBUTES|FILE_READ_EA|SYNCHRONISE or O_RDONLY)</span></div> -<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="comment"></span> <a class="code" href="namespaceafio__v2__xxx.html#a2d15768d28ea660ebe44901508ed3372">write</a> = 7, <span class="comment">//!< Ability to read and write (READ_CONTROL|FILE_READ_DATA|FILE_READ_ATTRIBUTES|FILE_READ_EA|FILE_WRITE_DATA|FILE_WRITE_ATTRIBUTES|FILE_WRITE_EA|FILE_APPEND_DATA|SYNCHRONISE or O_RDWR)</span></div> -<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="comment"></span> append = 9 <span class="comment">//!< All mainstream OSs and CIFS guarantee this is atomic with respect to all other appenders (FILE_APPEND_DATA|SYNCHRONISE or O_APPEND)</span></div> -<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="comment"></span> <span class="comment">// NOTE: IF UPDATING THIS UPDATE THE std::ostream PRINTER BELOW!!!</span></div> -<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  };</div> -<div class="ttc" id="namespaceafio__v2__xxx_html_a3cff8f3910dbf47663e5df1dc7e5ba47"><div class="ttname"><a href="namespaceafio__v2__xxx.html#a3cff8f3910dbf47663e5df1dc7e5ba47">afio_v2_xxx::read</a></div><div class="ttdeci">io_handle::io_result< io_handle::buffers_type > read(io_handle &self, io_handle::io_request< io_handle::buffers_type > reqs, deadline d=deadline()) noexcept</div><div class="ttdoc">Read data from the open handle. </div><div class="ttdef"><b>Definition:</b> io_handle.hpp:463</div></div> -<div class="ttc" id="namespaceafio__v2__xxx_html_a2d15768d28ea660ebe44901508ed3372"><div class="ttname"><a href="namespaceafio__v2__xxx.html#a2d15768d28ea660ebe44901508ed3372">afio_v2_xxx::write</a></div><div class="ttdeci">io_handle::io_result< io_handle::const_buffers_type > write(io_handle &self, io_handle::io_request< io_handle::const_buffers_type > reqs, deadline d=deadline()) noexcept</div><div class="ttdoc">Write data to the open handle. </div><div class="ttdef"><b>Definition:</b> io_handle.hpp:487</div></div> +<div class="fragment"><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  : <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> <span class="comment">// bit 0 set means writable</span></div> +<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  {</div> +<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  unchanged = 0,</div> +<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  none = 2, <span class="comment">//!< No ability to read or write anything, but can synchronise (SYNCHRONIZE or 0)</span></div> +<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment"></span> attr_read = 4, <span class="comment">//!< Ability to read attributes (FILE_READ_ATTRIBUTES|SYNCHRONIZE or O_RDONLY)</span></div> +<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="comment"></span> attr_write = 5, <span class="comment">//!< Ability to read and write attributes (FILE_READ_ATTRIBUTES|FILE_WRITE_ATTRIBUTES|SYNCHRONIZE or O_RDONLY)</span></div> +<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="comment"></span> <a class="code" href="namespaceafio__v2__xxx.html#a3cff8f3910dbf47663e5df1dc7e5ba47">read</a> = 6, <span class="comment">//!< Ability to read (READ_CONTROL|FILE_READ_DATA|FILE_READ_ATTRIBUTES|FILE_READ_EA|SYNCHRONISE or O_RDONLY)</span></div> +<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="comment"></span> <a class="code" href="namespaceafio__v2__xxx.html#a2d15768d28ea660ebe44901508ed3372">write</a> = 7, <span class="comment">//!< Ability to read and write (READ_CONTROL|FILE_READ_DATA|FILE_READ_ATTRIBUTES|FILE_READ_EA|FILE_WRITE_DATA|FILE_WRITE_ATTRIBUTES|FILE_WRITE_EA|FILE_APPEND_DATA|SYNCHRONISE or O_RDWR)</span></div> +<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="comment"></span> append = 9 <span class="comment">//!< All mainstream OSs and CIFS guarantee this is atomic with respect to all other appenders (FILE_APPEND_DATA|SYNCHRONISE or O_APPEND)</span></div> +<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="comment"></span> <span class="comment">// NOTE: IF UPDATING THIS UPDATE THE std::ostream PRINTER BELOW!!!</span></div> +<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  };</div> +<div class="ttc" id="namespaceafio__v2__xxx_html_a3cff8f3910dbf47663e5df1dc7e5ba47"><div class="ttname"><a href="namespaceafio__v2__xxx.html#a3cff8f3910dbf47663e5df1dc7e5ba47">afio_v2_xxx::read</a></div><div class="ttdeci">io_handle::io_result< io_handle::buffers_type > read(io_handle &self, io_handle::io_request< io_handle::buffers_type > reqs, deadline d=deadline()) noexcept</div><div class="ttdoc">Read data from the open handle. </div><div class="ttdef"><b>Definition:</b> io_handle.hpp:465</div></div> +<div class="ttc" id="namespaceafio__v2__xxx_html_a2d15768d28ea660ebe44901508ed3372"><div class="ttname"><a href="namespaceafio__v2__xxx.html#a2d15768d28ea660ebe44901508ed3372">afio_v2_xxx::write</a></div><div class="ttdeci">io_handle::io_result< io_handle::const_buffers_type > write(io_handle &self, io_handle::io_request< io_handle::const_buffers_type > reqs, deadline d=deadline()) noexcept</div><div class="ttdoc">Write data to the open handle. </div><div class="ttdef"><b>Definition:</b> io_handle.hpp:489</div></div> </div><!-- fragment --> </div> </div> @@ -650,9 +654,9 @@ flag </td><td class="memItemRight" valign="bottom"><b>_flags</b></td></tr> </table> </div><div class="memdoc"> <p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p> -<div class="fragment"><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> { <span class="keywordflow">return</span> <a class="code" href="classafio__v2__xxx_1_1section__handle.html#a34cf4f9a6ec20c2a456d6b6313f0e595">section</a>(<a class="code" href="classafio__v2__xxx_1_1section__handle.html#aa4a1627091cc26b3fe0029c03b12b431">backing</a>, maximum_size, _flag); }</div> -<div class="ttc" id="classafio__v2__xxx_1_1section__handle_html_aa4a1627091cc26b3fe0029c03b12b431"><div class="ttname"><a href="classafio__v2__xxx_1_1section__handle.html#aa4a1627091cc26b3fe0029c03b12b431">afio_v2_xxx::section_handle::backing</a></div><div class="ttdeci">io_handle * backing() const noexcept</div><div class="ttdoc">Returns the borrowed handle backing this section, if any. </div><div class="ttdef"><b>Definition:</b> map_handle.hpp:137</div></div> +<div class="fragment"><div class="line"><a name="l00126"></a><span class="lineno"> 126</span> { <span class="keywordflow">return</span> <a class="code" href="classafio__v2__xxx_1_1section__handle.html#a34cf4f9a6ec20c2a456d6b6313f0e595">section</a>(<a class="code" href="classafio__v2__xxx_1_1section__handle.html#acdebf8de23e97950968d3fba84141366">backing</a>, maximum_size, _flag); }</div> <div class="ttc" id="classafio__v2__xxx_1_1section__handle_html_a34cf4f9a6ec20c2a456d6b6313f0e595"><div class="ttname"><a href="classafio__v2__xxx_1_1section__handle.html#a34cf4f9a6ec20c2a456d6b6313f0e595">afio_v2_xxx::section_handle::section</a></div><div class="ttdeci">static result< section_handle > section(file_handle &backing, extent_type maximum_size=0, flag _flag=flag::read|flag::write) noexcept</div><div class="ttdoc">Create a memory section. </div></div> +<div class="ttc" id="classafio__v2__xxx_1_1section__handle_html_acdebf8de23e97950968d3fba84141366"><div class="ttname"><a href="classafio__v2__xxx_1_1section__handle.html#acdebf8de23e97950968d3fba84141366">afio_v2_xxx::section_handle::backing</a></div><div class="ttdeci">file_handle * backing() const noexcept</div><div class="ttdoc">Returns the borrowed handle backing this section, if any. </div><div class="ttdef"><b>Definition:</b> map_handle.hpp:138</div></div> </div><!-- fragment --> </div> </div> @@ -678,14 +682,14 @@ flag </td><td class="memItemRight" valign="bottom"><b>_flags</b></td></tr> </table> </div><div class="memdoc"> <p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p> -<div class="fragment"><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  {</div> -<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  file_handle <a class="code" href="classafio__v2__xxx_1_1section__handle.html#aa4a1627091cc26b3fe0029c03b12b431">backing</a>;</div> -<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">return</span> <a class="code" href="classafio__v2__xxx_1_1section__handle.html#a34cf4f9a6ec20c2a456d6b6313f0e595">section</a>(backing, maximum_size, <a class="code" href="namespaceafio__v2__xxx.html#ac89289d85eff137c40d3d0084c410656">flag::read</a> | <a class="code" href="namespaceafio__v2__xxx.html#a5bfae365a1845c1bde4739de38c3653f">flag::write</a>);</div> -<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  }</div> -<div class="ttc" id="namespaceafio__v2__xxx_html_a5bfae365a1845c1bde4739de38c3653f"><div class="ttname"><a href="namespaceafio__v2__xxx.html#a5bfae365a1845c1bde4739de38c3653f">afio_v2_xxx::write</a></div><div class="ttdeci">map_handle::io_result< map_handle::const_buffers_type > write(map_handle &self, map_handle::io_request< map_handle::const_buffers_type > reqs, deadline d=deadline()) noexcept</div><div class="ttdoc">Write data to the mapped view. Note this will never extend past the current length of the mapped file...</div><div class="ttdef"><b>Definition:</b> map_handle.hpp:484</div></div> -<div class="ttc" id="classafio__v2__xxx_1_1section__handle_html_aa4a1627091cc26b3fe0029c03b12b431"><div class="ttname"><a href="classafio__v2__xxx_1_1section__handle.html#aa4a1627091cc26b3fe0029c03b12b431">afio_v2_xxx::section_handle::backing</a></div><div class="ttdeci">io_handle * backing() const noexcept</div><div class="ttdoc">Returns the borrowed handle backing this section, if any. </div><div class="ttdef"><b>Definition:</b> map_handle.hpp:137</div></div> -<div class="ttc" id="namespaceafio__v2__xxx_html_ac89289d85eff137c40d3d0084c410656"><div class="ttname"><a href="namespaceafio__v2__xxx.html#ac89289d85eff137c40d3d0084c410656">afio_v2_xxx::read</a></div><div class="ttdeci">map_handle::io_result< map_handle::buffers_type > read(map_handle &self, map_handle::io_request< map_handle::buffers_type > reqs, deadline d=deadline()) noexcept</div><div class="ttdoc">Read data from the mapped view. </div><div class="ttdef"><b>Definition:</b> map_handle.hpp:470</div></div> +<div class="fragment"><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  {</div> +<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  file_handle <a class="code" href="classafio__v2__xxx_1_1section__handle.html#acdebf8de23e97950968d3fba84141366">backing</a>;</div> +<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">return</span> <a class="code" href="classafio__v2__xxx_1_1section__handle.html#a34cf4f9a6ec20c2a456d6b6313f0e595">section</a>(backing, maximum_size, <a class="code" href="namespaceafio__v2__xxx.html#ac89289d85eff137c40d3d0084c410656">flag::read</a> | <a class="code" href="namespaceafio__v2__xxx.html#a5bfae365a1845c1bde4739de38c3653f">flag::write</a>);</div> +<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  }</div> +<div class="ttc" id="namespaceafio__v2__xxx_html_a5bfae365a1845c1bde4739de38c3653f"><div class="ttname"><a href="namespaceafio__v2__xxx.html#a5bfae365a1845c1bde4739de38c3653f">afio_v2_xxx::write</a></div><div class="ttdeci">map_handle::io_result< map_handle::const_buffers_type > write(map_handle &self, map_handle::io_request< map_handle::const_buffers_type > reqs, deadline d=deadline()) noexcept</div><div class="ttdoc">Write data to the mapped view. Note this will never extend past the current length of the mapped file...</div><div class="ttdef"><b>Definition:</b> map_handle.hpp:486</div></div> +<div class="ttc" id="namespaceafio__v2__xxx_html_ac89289d85eff137c40d3d0084c410656"><div class="ttname"><a href="namespaceafio__v2__xxx.html#ac89289d85eff137c40d3d0084c410656">afio_v2_xxx::read</a></div><div class="ttdeci">map_handle::io_result< map_handle::buffers_type > read(map_handle &self, map_handle::io_request< map_handle::buffers_type > reqs, deadline d=deadline()) noexcept</div><div class="ttdoc">Read data from the mapped view. </div><div class="ttdef"><b>Definition:</b> map_handle.hpp:472</div></div> <div class="ttc" id="classafio__v2__xxx_1_1section__handle_html_a34cf4f9a6ec20c2a456d6b6313f0e595"><div class="ttname"><a href="classafio__v2__xxx_1_1section__handle.html#a34cf4f9a6ec20c2a456d6b6313f0e595">afio_v2_xxx::section_handle::section</a></div><div class="ttdeci">static result< section_handle > section(file_handle &backing, extent_type maximum_size=0, flag _flag=flag::read|flag::write) noexcept</div><div class="ttdoc">Create a memory section. </div></div> +<div class="ttc" id="classafio__v2__xxx_1_1section__handle_html_acdebf8de23e97950968d3fba84141366"><div class="ttname"><a href="classafio__v2__xxx_1_1section__handle.html#acdebf8de23e97950968d3fba84141366">afio_v2_xxx::section_handle::backing</a></div><div class="ttdeci">file_handle * backing() const noexcept</div><div class="ttdoc">Returns the borrowed handle backing this section, if any. </div><div class="ttdef"><b>Definition:</b> map_handle.hpp:138</div></div> </div><!-- fragment --> </div> </div> diff --git a/classafio__v2__xxx_1_1section__handle.js b/classafio__v2__xxx_1_1section__handle.js index 9bcd8144..218b6f82 100644 --- a/classafio__v2__xxx_1_1section__handle.js +++ b/classafio__v2__xxx_1_1section__handle.js @@ -36,7 +36,7 @@ var classafio__v2__xxx_1_1section__handle = [ "are_reads_from_cache", "classafio__v2__xxx_1_1section__handle.html#a71137cb82edd9a1bcb24f64886b5826d", null ], [ "are_safety_fsyncs_issued", "classafio__v2__xxx_1_1section__handle.html#a3fc7db93fac699f5ecad453642ed314e", null ], [ "are_writes_durable", "classafio__v2__xxx_1_1section__handle.html#a97ffbbf53f51549549efef0b49e125dc", null ], - [ "backing", "classafio__v2__xxx_1_1section__handle.html#aa4a1627091cc26b3fe0029c03b12b431", null ], + [ "backing", "classafio__v2__xxx_1_1section__handle.html#acdebf8de23e97950968d3fba84141366", null ], [ "backing_native_handle", "classafio__v2__xxx_1_1section__handle.html#a5464eac84bedf1ce13318451b3a95e93", null ], [ "clone", "classafio__v2__xxx_1_1section__handle.html#a54790e954f57372b87b095451cc79c38", null ], [ "close", "classafio__v2__xxx_1_1section__handle.html#af4c39abeaa83d990e3bd48fff7b94fb9", null ], @@ -55,13 +55,14 @@ var classafio__v2__xxx_1_1section__handle = [ "is_valid", "classafio__v2__xxx_1_1section__handle.html#a4194a05dd9694d2c47d5a45f925db1d7", null ], [ "is_writable", "classafio__v2__xxx_1_1section__handle.html#a5be9a526bc5c1be758b0cfc36a262f6e", null ], [ "kernel_caching", "classafio__v2__xxx_1_1section__handle.html#a00f42a44de714feb3ed86dd0a175e69c", null ], - [ "length", "classafio__v2__xxx_1_1section__handle.html#a7f36765bf63bbd31caf4e23cec6aa600", null ], + [ "length", "classafio__v2__xxx_1_1section__handle.html#a9f0dec7d839f348c39e7a185777866ea", null ], [ "native_handle", "classafio__v2__xxx_1_1section__handle.html#a875440f1b368472f1840c70c266f3a48", null ], [ "operator=", "classafio__v2__xxx_1_1section__handle.html#a22825af99eb92a3c137dc34e3e14252a", null ], [ "release", "classafio__v2__xxx_1_1section__handle.html#a73d5f2070bce0c3d7fa536d3cbed7b52", null ], [ "requires_aligned_io", "classafio__v2__xxx_1_1section__handle.html#affb10caeeca67b804695b7378be29e23", null ], [ "section_flags", "classafio__v2__xxx_1_1section__handle.html#a0f95ed462d97954df59e6b56625ce899", null ], [ "set_append_only", "classafio__v2__xxx_1_1section__handle.html#af1610ec7fb0a41f039e3e17e0dc467ab", null ], + [ "set_backing", "classafio__v2__xxx_1_1section__handle.html#a1b77cff150e130669624b5046b35e01e", null ], [ "set_kernel_caching", "classafio__v2__xxx_1_1section__handle.html#ad90f8264470763069256ae9eeda45e69", null ], [ "swap", "classafio__v2__xxx_1_1section__handle.html#a852a6b382a9e69f568977b2cd53e0496", null ], [ "swap", "classafio__v2__xxx_1_1section__handle.html#a657c12a309cf02bf2351bfcc7f41463b", null ], diff --git a/functions_b.html b/functions_b.html index 2b43082e..7d20f95a 100644 --- a/functions_b.html +++ b/functions_b.html @@ -147,7 +147,7 @@ $(document).ready(function(){initNavTree('functions_b.html','');}); <h3><a class="anchor" id="index_b"></a>- b -</h3><ul> <li>backing() -: <a class="el" href="classafio__v2__xxx_1_1section__handle.html#aa4a1627091cc26b3fe0029c03b12b431">afio_v2_xxx::section_handle</a> +: <a class="el" href="classafio__v2__xxx_1_1section__handle.html#acdebf8de23e97950968d3fba84141366">afio_v2_xxx::section_handle</a> </li> <li>backing_native_handle() : <a class="el" href="classafio__v2__xxx_1_1section__handle.html#a5464eac84bedf1ce13318451b3a95e93">afio_v2_xxx::section_handle</a> diff --git a/functions_c.html b/functions_c.html index 6eeb8224..1cc37119 100644 --- a/functions_c.html +++ b/functions_c.html @@ -149,6 +149,9 @@ $(document).ready(function(){initNavTree('functions_c.html','');}); <li>caching : <a class="el" href="classafio__v2__xxx_1_1handle.html#a6f7e37c73271968271c2342023f58c9e">afio_v2_xxx::handle</a> </li> +<li>capacity() +: <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#ae8e389b2dbdff1b1f155ea351f5ba9c5">afio_v2_xxx::mapped_file_handle</a> +</li> <li>clear() : <a class="el" href="structafio__v2__xxx_1_1storage__profile_1_1item.html#a5f7494ef59c8a25210953863888da1ec">afio_v2_xxx::storage_profile::item< T ></a> </li> @@ -157,7 +160,6 @@ $(document).ready(function(){initNavTree('functions_c.html','');}); , <a class="el" href="classafio__v2__xxx_1_1directory__handle.html#a52e014939626d1afcb0c8756732e1817">afio_v2_xxx::directory_handle</a> , <a class="el" href="classafio__v2__xxx_1_1file__handle.html#ac544e656873ccf3b6665064f46cfaf2b">afio_v2_xxx::file_handle</a> , <a class="el" href="classafio__v2__xxx_1_1handle.html#a54790e954f57372b87b095451cc79c38">afio_v2_xxx::handle</a> -, <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#ab37c9af33f662fa5e4cbfc1dff155607">afio_v2_xxx::mapped_file_handle</a> </li> <li>close() : <a class="el" href="classafio__v2__xxx_1_1directory__handle.html#a8f27bd9d54e28aac2042886e06eccd5b">afio_v2_xxx::directory_handle</a> diff --git a/functions_eval.html b/functions_eval.html index fd127aee..6c54ea1b 100644 --- a/functions_eval.html +++ b/functions_eval.html @@ -295,6 +295,9 @@ $(document).ready(function(){initNavTree('functions_eval.html','');}); <li>seekable : <a class="el" href="structafio__v2__xxx_1_1native__handle__type_1_1disposition__base.html#a89e0e728fc7a7e4a008e57d572702de6ab3793aa3c715efcbe125cb9eafd41273">afio_v2_xxx::native_handle_type::disposition_base</a> </li> +<li>singleton +: <a class="el" href="structafio__v2__xxx_1_1section__handle_1_1flag__base.html#a5b790e66402ef3a07ce9464f3e1dc9d8a091dabebebe6745fe9c1ed2901c125f2">afio_v2_xxx::section_handle::flag_base</a> +</li> <li>symlink : <a class="el" href="structafio__v2__xxx_1_1native__handle__type_1_1disposition__base.html#a89e0e728fc7a7e4a008e57d572702de6a14430730f1382b8aadfe6bdfb8ab4ed4">afio_v2_xxx::native_handle_type::disposition_base</a> </li> diff --git a/functions_func_b.html b/functions_func_b.html index 7d2f7a32..e000e5c7 100644 --- a/functions_func_b.html +++ b/functions_func_b.html @@ -145,7 +145,7 @@ $(document).ready(function(){initNavTree('functions_func_b.html','');}); <h3><a class="anchor" id="index_b"></a>- b -</h3><ul> <li>backing() -: <a class="el" href="classafio__v2__xxx_1_1section__handle.html#aa4a1627091cc26b3fe0029c03b12b431">afio_v2_xxx::section_handle</a> +: <a class="el" href="classafio__v2__xxx_1_1section__handle.html#acdebf8de23e97950968d3fba84141366">afio_v2_xxx::section_handle</a> </li> <li>backing_native_handle() : <a class="el" href="classafio__v2__xxx_1_1section__handle.html#a5464eac84bedf1ce13318451b3a95e93">afio_v2_xxx::section_handle</a> diff --git a/functions_func_c.html b/functions_func_c.html index da6d5b9d..eb0b7320 100644 --- a/functions_func_c.html +++ b/functions_func_c.html @@ -144,6 +144,9 @@ $(document).ready(function(){initNavTree('functions_func_c.html','');});   <h3><a class="anchor" id="index_c"></a>- c -</h3><ul> +<li>capacity() +: <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#ae8e389b2dbdff1b1f155ea351f5ba9c5">afio_v2_xxx::mapped_file_handle</a> +</li> <li>clear() : <a class="el" href="structafio__v2__xxx_1_1storage__profile_1_1item.html#a5f7494ef59c8a25210953863888da1ec">afio_v2_xxx::storage_profile::item< T ></a> </li> @@ -152,7 +155,6 @@ $(document).ready(function(){initNavTree('functions_func_c.html','');}); , <a class="el" href="classafio__v2__xxx_1_1directory__handle.html#a52e014939626d1afcb0c8756732e1817">afio_v2_xxx::directory_handle</a> , <a class="el" href="classafio__v2__xxx_1_1file__handle.html#ac544e656873ccf3b6665064f46cfaf2b">afio_v2_xxx::file_handle</a> , <a class="el" href="classafio__v2__xxx_1_1handle.html#a54790e954f57372b87b095451cc79c38">afio_v2_xxx::handle</a> -, <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#ab37c9af33f662fa5e4cbfc1dff155607">afio_v2_xxx::mapped_file_handle</a> </li> <li>close() : <a class="el" href="classafio__v2__xxx_1_1directory__handle.html#a8f27bd9d54e28aac2042886e06eccd5b">afio_v2_xxx::directory_handle</a> diff --git a/functions_func_l.html b/functions_func_l.html index 654d79e6..adb0937b 100644 --- a/functions_func_l.html +++ b/functions_func_l.html @@ -148,7 +148,7 @@ $(document).ready(function(){initNavTree('functions_func_l.html','');}); : <a class="el" href="classafio__v2__xxx_1_1file__handle.html#a2083c37ffc746ec28f9e4d6b094d3ba5">afio_v2_xxx::file_handle</a> , <a class="el" href="classafio__v2__xxx_1_1map__handle.html#aba6ebe9afaccfaf59a92c5b85c72e7d2">afio_v2_xxx::map_handle</a> , <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#ad9f3e51710bff40a4237f08feb9c4a63">afio_v2_xxx::mapped_file_handle</a> -, <a class="el" href="classafio__v2__xxx_1_1section__handle.html#a7f36765bf63bbd31caf4e23cec6aa600">afio_v2_xxx::section_handle</a> +, <a class="el" href="classafio__v2__xxx_1_1section__handle.html#a9f0dec7d839f348c39e7a185777866ea">afio_v2_xxx::section_handle</a> </li> <li>lock() : <a class="el" href="classafio__v2__xxx_1_1algorithm_1_1shared__fs__mutex_1_1shared__fs__mutex.html#a2e82ae0ca11932f5287b0ca2f4834da6">afio_v2_xxx::algorithm::shared_fs_mutex::shared_fs_mutex</a> diff --git a/functions_func_r.html b/functions_func_r.html index 7d07e542..a7eeabe9 100644 --- a/functions_func_r.html +++ b/functions_func_r.html @@ -176,6 +176,9 @@ $(document).ready(function(){initNavTree('functions_func_r.html','');}); : <a class="el" href="classafio__v2__xxx_1_1handle.html#affb10caeeca67b804695b7378be29e23">afio_v2_xxx::handle</a> , <a class="el" href="structafio__v2__xxx_1_1native__handle__type.html#a0aa00d6598a6f23989961957907d2e38">afio_v2_xxx::native_handle_type</a> </li> +<li>reserve() +: <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#a7c7dc970e310638e02db15fb54a713c3">afio_v2_xxx::mapped_file_handle</a> +</li> <li>run() : <a class="el" href="classafio__v2__xxx_1_1io__service.html#a73dbea24c52d4051ddd92e0ff3b3fb97">afio_v2_xxx::io_service</a> </li> diff --git a/functions_func_s.html b/functions_func_s.html index e9fe580d..d5bfa277 100644 --- a/functions_func_s.html +++ b/functions_func_s.html @@ -164,6 +164,9 @@ $(document).ready(function(){initNavTree('functions_func_s.html','');}); <li>set_append_only() : <a class="el" href="classafio__v2__xxx_1_1handle.html#af1610ec7fb0a41f039e3e17e0dc467ab">afio_v2_xxx::handle</a> </li> +<li>set_backing() +: <a class="el" href="classafio__v2__xxx_1_1section__handle.html#a1b77cff150e130669624b5046b35e01e">afio_v2_xxx::section_handle</a> +</li> <li>set_handle() : <a class="el" href="classafio__v2__xxx_1_1io__handle_1_1extent__guard.html#ab3186062f0496b7c65272c81bbab4e1c">afio_v2_xxx::io_handle::extent_guard</a> </li> @@ -173,6 +176,9 @@ $(document).ready(function(){initNavTree('functions_func_s.html','');}); <li>set_kernel_caching() : <a class="el" href="classafio__v2__xxx_1_1handle.html#ad90f8264470763069256ae9eeda45e69">afio_v2_xxx::handle</a> </li> +<li>set_section() +: <a class="el" href="classafio__v2__xxx_1_1map__handle.html#a127eef4449f6afcddbdb684030776868">afio_v2_xxx::map_handle</a> +</li> <li>size() : <a class="el" href="structafio__v2__xxx_1_1storage__profile_1_1storage__profile.html#a7b088508cc1b731b64b501a1f77a0108">afio_v2_xxx::storage_profile::storage_profile</a> </li> diff --git a/functions_func_t.html b/functions_func_t.html index 411d9569..eecd195b 100644 --- a/functions_func_t.html +++ b/functions_func_t.html @@ -155,7 +155,7 @@ $(document).ready(function(){initNavTree('functions_func_t.html','');}); </li> <li>truncate() : <a class="el" href="classafio__v2__xxx_1_1file__handle.html#a45873fd0b1ab27f936f046ed14124afd">afio_v2_xxx::file_handle</a> -, <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#aea61aa0d30653b72a8e877e3b507552a">afio_v2_xxx::mapped_file_handle</a> +, <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#a47cd01f73559631556a0fd8817f01d48">afio_v2_xxx::mapped_file_handle</a> , <a class="el" href="classafio__v2__xxx_1_1section__handle.html#a229f515ed3251071d374476204e23e30">afio_v2_xxx::section_handle</a> </li> <li>try_lock() diff --git a/functions_func_u.html b/functions_func_u.html index 9a0e4764..dcd0e78c 100644 --- a/functions_func_u.html +++ b/functions_func_u.html @@ -164,6 +164,9 @@ $(document).ready(function(){initNavTree('functions_func_u.html','');}); , <a class="el" href="classafio__v2__xxx_1_1io__handle_1_1extent__guard.html#a8774c7f192061ccff6659f645d1e51fd">afio_v2_xxx::io_handle::extent_guard</a> , <a class="el" href="classafio__v2__xxx_1_1io__handle.html#a96b9da71ee7791fbaaa2470c936ec763">afio_v2_xxx::io_handle</a> </li> +<li>update_map() +: <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#a297b1f81b6d2875164e46a266c3f1f8a">afio_v2_xxx::mapped_file_handle</a> +</li> <li>using_kqueues() : <a class="el" href="classafio__v2__xxx_1_1io__service.html#a692d937b87fa783803c5342f993fede1">afio_v2_xxx::io_service</a> </li> diff --git a/functions_l.html b/functions_l.html index c1dcc138..c435918c 100644 --- a/functions_l.html +++ b/functions_l.html @@ -158,7 +158,7 @@ $(document).ready(function(){initNavTree('functions_l.html','');}); , <a class="el" href="classafio__v2__xxx_1_1map__handle.html#aba6ebe9afaccfaf59a92c5b85c72e7d2">afio_v2_xxx::map_handle</a> , <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#ad9f3e51710bff40a4237f08feb9c4a63">afio_v2_xxx::mapped_file_handle</a> , <a class="el" href="structafio__v2__xxx_1_1path__view_1_1c__str.html#a879ec6f6501d659bc7b04745c1a33eaa">afio_v2_xxx::path_view::c_str</a> -, <a class="el" href="classafio__v2__xxx_1_1section__handle.html#a7f36765bf63bbd31caf4e23cec6aa600">afio_v2_xxx::section_handle</a> +, <a class="el" href="classafio__v2__xxx_1_1section__handle.html#a9f0dec7d839f348c39e7a185777866ea">afio_v2_xxx::section_handle</a> </li> <li>lock() : <a class="el" href="classafio__v2__xxx_1_1algorithm_1_1shared__fs__mutex_1_1shared__fs__mutex.html#a2e82ae0ca11932f5287b0ca2f4834da6">afio_v2_xxx::algorithm::shared_fs_mutex::shared_fs_mutex</a> diff --git a/functions_r.html b/functions_r.html index 30ff2bd7..44769af9 100644 --- a/functions_r.html +++ b/functions_r.html @@ -196,6 +196,9 @@ $(document).ready(function(){initNavTree('functions_r.html','');}); : <a class="el" href="classafio__v2__xxx_1_1handle.html#affb10caeeca67b804695b7378be29e23">afio_v2_xxx::handle</a> , <a class="el" href="structafio__v2__xxx_1_1native__handle__type.html#a0aa00d6598a6f23989961957907d2e38">afio_v2_xxx::native_handle_type</a> </li> +<li>reserve() +: <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#a7c7dc970e310638e02db15fb54a713c3">afio_v2_xxx::mapped_file_handle</a> +</li> <li>run() : <a class="el" href="classafio__v2__xxx_1_1io__service.html#a73dbea24c52d4051ddd92e0ff3b3fb97">afio_v2_xxx::io_service</a> </li> diff --git a/functions_s.html b/functions_s.html index 8d5ae64c..d8ee3068 100644 --- a/functions_s.html +++ b/functions_s.html @@ -173,6 +173,9 @@ $(document).ready(function(){initNavTree('functions_s.html','');}); <li>set_append_only() : <a class="el" href="classafio__v2__xxx_1_1handle.html#af1610ec7fb0a41f039e3e17e0dc467ab">afio_v2_xxx::handle</a> </li> +<li>set_backing() +: <a class="el" href="classafio__v2__xxx_1_1section__handle.html#a1b77cff150e130669624b5046b35e01e">afio_v2_xxx::section_handle</a> +</li> <li>set_handle() : <a class="el" href="classafio__v2__xxx_1_1io__handle_1_1extent__guard.html#ab3186062f0496b7c65272c81bbab4e1c">afio_v2_xxx::io_handle::extent_guard</a> </li> @@ -182,6 +185,12 @@ $(document).ready(function(){initNavTree('functions_s.html','');}); <li>set_kernel_caching() : <a class="el" href="classafio__v2__xxx_1_1handle.html#ad90f8264470763069256ae9eeda45e69">afio_v2_xxx::handle</a> </li> +<li>set_section() +: <a class="el" href="classafio__v2__xxx_1_1map__handle.html#a127eef4449f6afcddbdb684030776868">afio_v2_xxx::map_handle</a> +</li> +<li>singleton +: <a class="el" href="structafio__v2__xxx_1_1section__handle_1_1flag__base.html#a5b790e66402ef3a07ce9464f3e1dc9d8a091dabebebe6745fe9c1ed2901c125f2">afio_v2_xxx::section_handle::flag_base</a> +</li> <li>size() : <a class="el" href="structafio__v2__xxx_1_1storage__profile_1_1storage__profile.html#a7b088508cc1b731b64b501a1f77a0108">afio_v2_xxx::storage_profile::storage_profile</a> </li> diff --git a/functions_t.html b/functions_t.html index 0ca55419..e8b5fae0 100644 --- a/functions_t.html +++ b/functions_t.html @@ -161,7 +161,7 @@ $(document).ready(function(){initNavTree('functions_t.html','');}); <li>truncate() : <a class="el" href="classafio__v2__xxx_1_1file__handle.html#a45873fd0b1ab27f936f046ed14124afd">afio_v2_xxx::file_handle</a> , <a class="el" href="classafio__v2__xxx_1_1handle.html#a45ff5c1c5662623d99156870dfeee0a7a244f58cf07c35fd48d7524b289551e5c">afio_v2_xxx::handle</a> -, <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#aea61aa0d30653b72a8e877e3b507552a">afio_v2_xxx::mapped_file_handle</a> +, <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#a47cd01f73559631556a0fd8817f01d48">afio_v2_xxx::mapped_file_handle</a> , <a class="el" href="classafio__v2__xxx_1_1section__handle.html#a229f515ed3251071d374476204e23e30">afio_v2_xxx::section_handle</a> </li> <li>try_lock() diff --git a/functions_u.html b/functions_u.html index f3f4e5fe..7630cf1f 100644 --- a/functions_u.html +++ b/functions_u.html @@ -172,6 +172,9 @@ $(document).ready(function(){initNavTree('functions_u.html','');}); , <a class="el" href="classafio__v2__xxx_1_1io__handle_1_1extent__guard.html#a8774c7f192061ccff6659f645d1e51fd">afio_v2_xxx::io_handle::extent_guard</a> , <a class="el" href="classafio__v2__xxx_1_1io__handle.html#a96b9da71ee7791fbaaa2470c936ec763">afio_v2_xxx::io_handle</a> </li> +<li>update_map() +: <a class="el" href="classafio__v2__xxx_1_1mapped__file__handle.html#a297b1f81b6d2875164e46a266c3f1f8a">afio_v2_xxx::mapped_file_handle</a> +</li> <li>using_kqueues() : <a class="el" href="classafio__v2__xxx_1_1io__service.html#a692d937b87fa783803c5342f993fede1">afio_v2_xxx::io_service</a> </li> diff --git a/handle_8hpp.html b/handle_8hpp.html index 6c55ea9f..0d633570 100644 --- a/handle_8hpp.html +++ b/handle_8hpp.html @@ -118,6 +118,7 @@ $(document).ready(function(){initNavTree('handle_8hpp.html','');}); <div class="textblock"><code>#include "<a class="el" href="deadline_8h.html">deadline.h</a>"</code><br/> <code>#include "<a class="el" href="native__handle__type_8hpp.html">native_handle_type.hpp</a>"</code><br/> <code>#include <algorithm></code><br/> +<code>#include <cassert></code><br/> </div><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a> Classes</h2></td></tr> @@ -116,46 +116,55 @@ $(document).ready(function(){initNavTree('index.html','');}); </table> </center><p>Herein lies my proposed zero whole machine memory copy async file i/o and filesystem library for Boost and the C++ standard, intended for storage devices with ~1 microsecond 4Kb transfer latencies and those supporting Storage Class Memory (SCM)/Direct Access Storage (DAX). Its i/o overhead, including syscall overhead, has been benchmarked to 100 nanoseconds on Linux which corresponds to a theoretical maximum of 10M IOPS @ QD1, approx 40Gb/sec per thread. It has particularly strong support for writing portable filesystem algorithms which work well with directly mapped non-volatile storage such as Intel Optane.</p> <p>It is a complete rewrite after a Boost peer review in August 2015. Its github source code repository lives at <a href="https://github.com/ned14/boost.afio">https://github.com/ned14/boost.afio</a>.</p> -<table width="100%" border="0" cellpadding="4"> -<tr> -<th colspan="3">Why you might need AFIO<hr/> - </th></tr> -<tr> -<td valign="top" width="33%">Manufacturer claimed 4Kb transfer latencies for the physical hardware:<ul> -<li>Spinning rust hard drive latency @ QD1: <b>9000us</b></li> -<li>SATA flash drive latency @ QD1: <b>800us</b></li> -<li>NVMe flash drive latency @ QD1: <b>300us</b></li> -<li>RTT UDP packet latency over a LAN: <b>60us</b></li> -<li>NVMe Optane drive latency @ QD1: <b>60us</b></li> -<li><code>memcpy(4Kb)</code> latency: <b>5us</b> (main memory) to <b>1.3us</b> (L3 cache)</li> -<li>RTT PCIe latency: <b>0.5us</b> </li> -</ul> -</td><td valign="top" width="33%">100% read QD1 4Kb direct transfer latencies for the software with AFIO:<ul> -<li>< 99% spinning rust hard drive latency: Windows <b>187,231us</b> FreeBSD <b>9,836us</b> Linux <b>26,468us</b></li> -<li>< 99% SATA flash drive latency: Windows <b>290us</b> Linux <b>158us</b></li> -<li>< 99% NVMe drive latency: Windows <b>37us</b> FreeBSD <b>70us</b> Linux <b>30us</b> </li> +<ul> +<li>Portable to any conforming C++ 14 compiler with a working Filesystem TS in its STL.</li> +<li>Will make use of any Concepts TS if you have them.<ul> +<li>(Coroutines TS support is in the works)</li> </ul> -</td><td valign="top" width="33%">75% read 25% write QD4 4Kb direct transfer latencies for the software with AFIO:<ul> -<li>< 99% spinning rust hard drive latency: Windows <b>48,185us</b> FreeBSD <b>61,834us</b> Linux <b>104,507us</b></li> -<li>< 99% SATA flash drive latency: Windows <b>1,812us</b> Linux <b>1,416us</b></li> -<li>< 99% NVMe drive latency: Windows <b>50us</b> FreeBSD <b>143us</b> Linux <b>40us</b> </li> +</li> +<li>Provides view adapters into the Ranges TS, so ready for STL2.</li> +<li>Original error code is always preserved, even down to the original NT kernel error code if a NT kernel API was used.</li> +<li>Race free filesystem design used throughout (i.e. no TOCTOU).</li> +<li>Zero malloc, zero exception throw and zero whole system memory copy design used throughout, even down to paths (which can hit 64Kb!).</li> +<li>Works very well with the C++ standard library, and is intended to be proposed for standardisation into C++ in 2020 or thereabouts.</li> </ul> -</td></tr> -</table> <dl class="section note"><dt>Note</dt><dd>Note that this code is of late alpha quality. It's quite reliable on Windows and Linux, but be careful when using it!</dd></dl> -<p>Example of use: </p> -<div class="fragment"><div class="line"><span class="keyword">namespace </span>afio = <a class="code" href="group__config.html#gaa3ed9f085329a0b81feeac3397a83740">AFIO_V2_NAMESPACE</a>;</div> +<p>Examples of use: </p> +<table width="100%" border="0" cellpadding="4"> +<tr> +<td><div class="fragment"><div class="line"><span class="keyword">namespace </span>afio = <a class="code" href="group__config.html#gaa3ed9f085329a0b81feeac3397a83740">AFIO_V2_NAMESPACE</a>;</div> +<div class="line"></div> <div class="line"><span class="comment">// Make me a 1 trillion element sparsely allocated integer array!</span></div> <div class="line">afio::mapped_file_handle mfh = afio::mapped_temp_inode().value();</div> +<div class="line"></div> <div class="line"><span class="comment">// On an extents based filing system, doesn't actually allocate any physical storage</span></div> <div class="line"><span class="comment">// but does map approximately 4Tb of all bits zero data into memory</span></div> <div class="line">mfh.truncate(1000000000000ULL*<span class="keyword">sizeof</span>(<span class="keywordtype">int</span>));</div> +<div class="line"></div> <div class="line"><span class="comment">// Create a typed view of the one trillion integers</span></div> <div class="line">afio::algorithm::mapped_view<int> one_trillion_int_array(mfh);</div> +<div class="line"></div> <div class="line"><span class="comment">// Write and read as you see fit, if you exceed physical RAM it'll be paged to disk</span></div> <div class="line">one_trillion_int_array[0] = 5;</div> <div class="line">one_trillion_int_array[999999999999ULL] = 6;</div> -</div><!-- fragment --><p>These compilers and OS are regularly tested:</p> +</div><!-- fragment --> </td><td><div class="fragment"><div class="line"><span class="keyword">namespace </span>afio = <a class="code" href="group__config.html#gaa3ed9f085329a0b81feeac3397a83740">AFIO_V2_NAMESPACE</a>;</div> +<div class="line"></div> +<div class="line"><span class="comment">// Create an asynchronous file handle</span></div> +<div class="line">afio::io_service service;</div> +<div class="line">afio::async_file_handle fh = <a class="code" href="namespaceafio__v2__xxx.html#aaca67159c4f0fc906967b9fb7912116b">afio::async_file</a>(service, {}, <span class="stringliteral">"testfile.txt"</span>,</div> +<div class="line"> <a class="code" href="namespaceafio__v2__xxx.html#a2d15768d28ea660ebe44901508ed3372">afio::async_file_handle::mode::write</a>,</div> +<div class="line"> afio::async_file_handle::creation::if_needed).value();</div> +<div class="line"></div> +<div class="line"><span class="comment">// Resize it to 1024 bytes</span></div> +<div class="line"><a class="code" href="namespaceafio__v2__xxx.html#a84d22c966fcabe50de30ad8cf26c7241">truncate</a>(fh, 1024).value();</div> +<div class="line"></div> +<div class="line"><span class="comment">// Begin to asynchronously write "hello world" into the file at offset 0,</span></div> +<div class="line"><span class="comment">// suspending execution of this coroutine until completion and then resuming</span></div> +<div class="line"><span class="comment">// execution. Requires the Coroutines TS.</span></div> +<div class="line">co_await <a class="code" href="namespaceafio__v2__xxx.html#ae02e72d068c5dfd1c686a32e614ea6f8">async_write</a>(fh, 0, <span class="stringliteral">"hello world"</span>, 11).value();</div> +</div><!-- fragment --> </td></tr> +</table> +<p>These compilers and OS are regularly tested:</p> <ul> <li>GCC 7.0 (Linux 4,x x64)</li> <li>clang 4.0 (Linux 4.x x64)</li> @@ -332,6 +341,32 @@ mapped_file_handle - adds low latency memory mapped scatter-gather i/o</li> <tr> <td>✔ </td><td></td><td></td><td>Algorithm to figure out all paths for a hard linked inode. </td></tr> </table> +<table width="100%" border="0" cellpadding="4"> +<tr> +<th colspan="3">Why you might need AFIO<hr/> + </th></tr> +<tr> +<td valign="top" width="33%">Manufacturer claimed 4Kb transfer latencies for the physical hardware:<ul> +<li>Spinning rust hard drive latency @ QD1: <b>9000us</b></li> +<li>SATA flash drive latency @ QD1: <b>800us</b></li> +<li>NVMe flash drive latency @ QD1: <b>300us</b></li> +<li>RTT UDP packet latency over a LAN: <b>60us</b></li> +<li>NVMe Optane drive latency @ QD1: <b>60us</b></li> +<li><code>memcpy(4Kb)</code> latency: <b>5us</b> (main memory) to <b>1.3us</b> (L3 cache)</li> +<li>RTT PCIe latency: <b>0.5us</b> </li> +</ul> +</td><td valign="top" width="33%">100% read QD1 4Kb direct transfer latencies for the software with AFIO:<ul> +<li>< 99% spinning rust hard drive latency: Windows <b>187,231us</b> FreeBSD <b>9,836us</b> Linux <b>26,468us</b></li> +<li>< 99% SATA flash drive latency: Windows <b>290us</b> Linux <b>158us</b></li> +<li>< 99% NVMe drive latency: Windows <b>37us</b> FreeBSD <b>70us</b> Linux <b>30us</b> </li> +</ul> +</td><td valign="top" width="33%">75% read 25% write QD4 4Kb direct transfer latencies for the software with AFIO:<ul> +<li>< 99% spinning rust hard drive latency: Windows <b>48,185us</b> FreeBSD <b>61,834us</b> Linux <b>104,507us</b></li> +<li>< 99% SATA flash drive latency: Windows <b>1,812us</b> Linux <b>1,416us</b></li> +<li>< 99% NVMe drive latency: Windows <b>50us</b> FreeBSD <b>143us</b> Linux <b>40us</b> </li> +</ul> +</td></tr> +</table> <p>Max bandwidth for the physical hardware:</p> <ul> <li>DDR4 2133: <b>30Gb/sec</b> (main memory)</li> diff --git a/map__handle_8hpp.html b/map__handle_8hpp.html index 6d39cb0f..4f393306 100644 --- a/map__handle_8hpp.html +++ b/map__handle_8hpp.html @@ -151,10 +151,6 @@ void </td><td class="memItemRight" valign="bottom"><a class="el" href="name <tr class="separator:aa8b81d5171058b1ef35ab5bbf5861427"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ac66cb0c9b287056b325469cc52e93f97"><td class="memItemLeft" align="right" valign="top">result< section_handle > </td><td class="memItemRight" valign="bottom"><a class="el" href="namespaceafio__v2__xxx.html#ac66cb0c9b287056b325469cc52e93f97">afio_v2_xxx::section</a> (section_handle::extent_type maximum_size) noexcept</td></tr> <tr class="separator:ac66cb0c9b287056b325469cc52e93f97"><td class="memSeparator" colspan="2"> </td></tr> -<tr class="memitem:a9bf31de4c528f33e91c5c3d1877bddf3"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9bf31de4c528f33e91c5c3d1877bddf3"></a> -section_handle::extent_type </td><td class="memItemRight" valign="bottom"><a class="el" href="namespaceafio__v2__xxx.html#a9bf31de4c528f33e91c5c3d1877bddf3">afio_v2_xxx::length</a> (const section_handle &self) noexcept</td></tr> -<tr class="memdesc:a9bf31de4c528f33e91c5c3d1877bddf3"><td class="mdescLeft"> </td><td class="mdescRight">Return the current maximum permitted extent of the memory section. <br/></td></tr> -<tr class="separator:a9bf31de4c528f33e91c5c3d1877bddf3"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:aab59d71477b67ee40dc46daadddd40bb"><td class="memItemLeft" align="right" valign="top">result<br class="typebreak"/> < section_handle::extent_type > </td><td class="memItemRight" valign="bottom"><a class="el" href="namespaceafio__v2__xxx.html#aab59d71477b67ee40dc46daadddd40bb">afio_v2_xxx::truncate</a> (section_handle &self, section_handle::extent_type newsize) noexcept</td></tr> <tr class="separator:aab59d71477b67ee40dc46daadddd40bb"><td class="memSeparator" colspan="2"> </td></tr> diff --git a/map__handle_8hpp.js b/map__handle_8hpp.js index 606f4251..ad109890 100644 --- a/map__handle_8hpp.js +++ b/map__handle_8hpp.js @@ -5,7 +5,6 @@ var map__handle_8hpp = [ "map_handle", "classafio__v2__xxx_1_1map__handle.html", "classafio__v2__xxx_1_1map__handle" ], [ "barrier", "map__handle_8hpp.html#a04980337d833bcc33cae657d6654f6a0", null ], [ "close", "map__handle_8hpp.html#aa7f2ca17db2468dbd5407e2f35870077", null ], - [ "length", "map__handle_8hpp.html#a9bf31de4c528f33e91c5c3d1877bddf3", null ], [ "length", "map__handle_8hpp.html#abb42093725f3206e37e53ec44c39ad68", null ], [ "map", "map__handle_8hpp.html#a819f25432ad3c4ec19d065a9c0ea6159", null ], [ "map", "map__handle_8hpp.html#ac0c1354bd001aa35aadb77f9c774a14d", null ], diff --git a/namespaceafio__v2__xxx.html b/namespaceafio__v2__xxx.html index 9f41041d..a1b1cf6a 100644 --- a/namespaceafio__v2__xxx.html +++ b/namespaceafio__v2__xxx.html @@ -345,10 +345,6 @@ void </td><td class="memItemRight" valign="bottom"><a class="el" href="name <tr class="separator:aa8b81d5171058b1ef35ab5bbf5861427"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ac66cb0c9b287056b325469cc52e93f97"><td class="memItemLeft" align="right" valign="top">result< <a class="el" href="classafio__v2__xxx_1_1section__handle.html">section_handle</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="namespaceafio__v2__xxx.html#ac66cb0c9b287056b325469cc52e93f97">section</a> (section_handle::extent_type maximum_size) noexcept</td></tr> <tr class="separator:ac66cb0c9b287056b325469cc52e93f97"><td class="memSeparator" colspan="2"> </td></tr> -<tr class="memitem:a9bf31de4c528f33e91c5c3d1877bddf3"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9bf31de4c528f33e91c5c3d1877bddf3"></a> -section_handle::extent_type </td><td class="memItemRight" valign="bottom"><a class="el" href="namespaceafio__v2__xxx.html#a9bf31de4c528f33e91c5c3d1877bddf3">length</a> (const <a class="el" href="classafio__v2__xxx_1_1section__handle.html">section_handle</a> &self) noexcept</td></tr> -<tr class="memdesc:a9bf31de4c528f33e91c5c3d1877bddf3"><td class="mdescLeft"> </td><td class="mdescRight">Return the current maximum permitted extent of the memory section. <br/></td></tr> -<tr class="separator:a9bf31de4c528f33e91c5c3d1877bddf3"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:aab59d71477b67ee40dc46daadddd40bb"><td class="memItemLeft" align="right" valign="top">result<br class="typebreak"/> < section_handle::extent_type > </td><td class="memItemRight" valign="bottom"><a class="el" href="namespaceafio__v2__xxx.html#aab59d71477b67ee40dc46daadddd40bb">truncate</a> (<a class="el" href="classafio__v2__xxx_1_1section__handle.html">section_handle</a> &self, section_handle::extent_type newsize) noexcept</td></tr> <tr class="separator:aab59d71477b67ee40dc46daadddd40bb"><td class="memSeparator" colspan="2"> </td></tr> @@ -841,9 +837,9 @@ For portability, you can only assume that barriers write order for a single hand </dl> <dl class="section user"><dt>Errors returnable</dt><dd>Any of the values POSIX fdatasync() or Windows NtFlushBuffersFileEx() can return. </dd></dl> <dl class="section user"><dt>Memory Allocations</dt><dd>None. </dd></dl> -<div class="fragment"><div class="line"><a name="l00523"></a><span class="lineno"> 523</span> {</div> -<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  <span class="keywordflow">return</span> <span class="keyword">self</span>.barrier(std::forward<decltype(reqs)>(reqs), std::forward<decltype(wait_for_device)>(wait_for_device), std::forward<decltype(and_metadata)>(and_metadata), std::forward<decltype(d)>(d));</div> -<div class="line"><a name="l00525"></a><span class="lineno"> 525</span> }</div> +<div class="fragment"><div class="line"><a name="l00525"></a><span class="lineno"> 525</span> {</div> +<div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  <span class="keywordflow">return</span> <span class="keyword">self</span>.barrier(std::forward<decltype(reqs)>(reqs), std::forward<decltype(wait_for_device)>(wait_for_device), std::forward<decltype(and_metadata)>(and_metadata), std::forward<decltype(d)>(d));</div> +<div class="line"><a name="l00527"></a><span class="lineno"> 527</span> }</div> </div><!-- fragment --> </div> </div> @@ -1114,10 +1110,10 @@ For portability, you can only assume that barriers write order for a single hand </dl> <dl class="section note"><dt>Note</dt><dd>On Microsoft Windows this constructor uses the faster VirtualAlloc() which creates less versatile page backed memory. If you want anonymous memory allocated from a paging file backed section instead, create a page file backed section and then a mapped view from that using the other constructor. This makes available all those very useful VM tricks Windows can do with section mapped memory which VirtualAlloc() memory cannot do.</dd></dl> <dl class="section user"><dt>Errors returnable</dt><dd>Any of the values POSIX mmap() or NtMapViewOfSection() can return. </dd></dl> -<div class="fragment"><div class="line"><a name="l00438"></a><span class="lineno"> 438</span> {</div> -<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceafio__v2__xxx.html#ac0c1354bd001aa35aadb77f9c774a14d">map_handle::map</a>(std::forward<decltype(bytes)>(bytes), std::forward<decltype(_flag)>(_flag));</div> -<div class="line"><a name="l00440"></a><span class="lineno"> 440</span> }</div> -<div class="ttc" id="namespaceafio__v2__xxx_html_ac0c1354bd001aa35aadb77f9c774a14d"><div class="ttname"><a href="namespaceafio__v2__xxx.html#ac0c1354bd001aa35aadb77f9c774a14d">afio_v2_xxx::map</a></div><div class="ttdeci">result< map_handle > map(section_handle &section, map_handle::size_type bytes=0, map_handle::extent_type offset=0, section_handle::flag _flag=section_handle::flag::read|section_handle::flag::write) noexcept</div><div class="ttdef"><b>Definition:</b> map_handle.hpp:449</div></div> +<div class="fragment"><div class="line"><a name="l00440"></a><span class="lineno"> 440</span> {</div> +<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceafio__v2__xxx.html#ac0c1354bd001aa35aadb77f9c774a14d">map_handle::map</a>(std::forward<decltype(bytes)>(bytes), std::forward<decltype(_flag)>(_flag));</div> +<div class="line"><a name="l00442"></a><span class="lineno"> 442</span> }</div> +<div class="ttc" id="namespaceafio__v2__xxx_html_ac0c1354bd001aa35aadb77f9c774a14d"><div class="ttname"><a href="namespaceafio__v2__xxx.html#ac0c1354bd001aa35aadb77f9c774a14d">afio_v2_xxx::map</a></div><div class="ttdeci">result< map_handle > map(section_handle &section, map_handle::size_type bytes=0, map_handle::extent_type offset=0, section_handle::flag _flag=section_handle::flag::read|section_handle::flag::write) noexcept</div><div class="ttdef"><b>Definition:</b> map_handle.hpp:451</div></div> </div><!-- fragment --> </div> </div> @@ -1175,11 +1171,11 @@ For portability, you can only assume that barriers write order for a single hand </dd> </dl> <dl class="section user"><dt>Errors returnable</dt><dd>Any of the values POSIX mmap() or NtMapViewOfSection() can return. </dd></dl> -<div class="fragment"><div class="line"><a name="l00450"></a><span class="lineno"> 450</span> {</div> -<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceafio__v2__xxx.html#ac0c1354bd001aa35aadb77f9c774a14d">map_handle::map</a>(std::forward<decltype(<a class="code" href="namespaceafio__v2__xxx.html#ac66cb0c9b287056b325469cc52e93f97">section</a>)>(<a class="code" href="namespaceafio__v2__xxx.html#ac66cb0c9b287056b325469cc52e93f97">section</a>), std::forward<decltype(bytes)>(bytes), std::forward<decltype(offset)>(offset), std::forward<decltype(_flag)>(_flag));</div> -<div class="line"><a name="l00452"></a><span class="lineno"> 452</span> }</div> -<div class="ttc" id="namespaceafio__v2__xxx_html_ac66cb0c9b287056b325469cc52e93f97"><div class="ttname"><a href="namespaceafio__v2__xxx.html#ac66cb0c9b287056b325469cc52e93f97">afio_v2_xxx::section</a></div><div class="ttdeci">result< section_handle > section(section_handle::extent_type maximum_size) noexcept</div><div class="ttdef"><b>Definition:</b> map_handle.hpp:395</div></div> -<div class="ttc" id="namespaceafio__v2__xxx_html_ac0c1354bd001aa35aadb77f9c774a14d"><div class="ttname"><a href="namespaceafio__v2__xxx.html#ac0c1354bd001aa35aadb77f9c774a14d">afio_v2_xxx::map</a></div><div class="ttdeci">result< map_handle > map(section_handle &section, map_handle::size_type bytes=0, map_handle::extent_type offset=0, section_handle::flag _flag=section_handle::flag::read|section_handle::flag::write) noexcept</div><div class="ttdef"><b>Definition:</b> map_handle.hpp:449</div></div> +<div class="fragment"><div class="line"><a name="l00452"></a><span class="lineno"> 452</span> {</div> +<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceafio__v2__xxx.html#ac0c1354bd001aa35aadb77f9c774a14d">map_handle::map</a>(std::forward<decltype(<a class="code" href="namespaceafio__v2__xxx.html#ac66cb0c9b287056b325469cc52e93f97">section</a>)>(<a class="code" href="namespaceafio__v2__xxx.html#ac66cb0c9b287056b325469cc52e93f97">section</a>), std::forward<decltype(bytes)>(bytes), std::forward<decltype(offset)>(offset), std::forward<decltype(_flag)>(_flag));</div> +<div class="line"><a name="l00454"></a><span class="lineno"> 454</span> }</div> +<div class="ttc" id="namespaceafio__v2__xxx_html_ac66cb0c9b287056b325469cc52e93f97"><div class="ttname"><a href="namespaceafio__v2__xxx.html#ac66cb0c9b287056b325469cc52e93f97">afio_v2_xxx::section</a></div><div class="ttdeci">result< section_handle > section(section_handle::extent_type maximum_size) noexcept</div><div class="ttdef"><b>Definition:</b> map_handle.hpp:402</div></div> +<div class="ttc" id="namespaceafio__v2__xxx_html_ac0c1354bd001aa35aadb77f9c774a14d"><div class="ttname"><a href="namespaceafio__v2__xxx.html#ac0c1354bd001aa35aadb77f9c774a14d">afio_v2_xxx::map</a></div><div class="ttdeci">result< map_handle > map(section_handle &section, map_handle::size_type bytes=0, map_handle::extent_type offset=0, section_handle::flag _flag=section_handle::flag::read|section_handle::flag::write) noexcept</div><div class="ttdef"><b>Definition:</b> map_handle.hpp:451</div></div> </div><!-- fragment --> </div> </div> @@ -1407,9 +1403,9 @@ For portability, you can only assume that barriers write order for a single hand </dl> <dl class="section user"><dt>Errors returnable</dt><dd>Any of the values POSIX read() can return, <code>errc::timed_out</code>, <code>errc::operation_canceled</code>. <code>errc::not_supported</code> may be returned if deadline i/o is not possible with this particular handle configuration (e.g. reading from regular files on POSIX or reading from a non-overlapped HANDLE on Windows). </dd></dl> <dl class="section user"><dt>Memory Allocations</dt><dd>The default synchronous implementation in file_handle performs no memory allocation. The asynchronous implementation in async_file_handle performs one calloc and one free. </dd></dl> -<div class="fragment"><div class="line"><a name="l00464"></a><span class="lineno"> 464</span> {</div> -<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  <span class="keywordflow">return</span> <span class="keyword">self</span>.read(std::forward<decltype(reqs)>(reqs), std::forward<decltype(d)>(d));</div> -<div class="line"><a name="l00466"></a><span class="lineno"> 466</span> }</div> +<div class="fragment"><div class="line"><a name="l00466"></a><span class="lineno"> 466</span> {</div> +<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  <span class="keywordflow">return</span> <span class="keyword">self</span>.read(std::forward<decltype(reqs)>(reqs), std::forward<decltype(d)>(d));</div> +<div class="line"><a name="l00468"></a><span class="lineno"> 468</span> }</div> </div><!-- fragment --> </div> </div> @@ -1464,9 +1460,9 @@ For portability, you can only assume that barriers write order for a single hand </dl> <dl class="section user"><dt>Errors returnable</dt><dd>None, though the various signals and structured exception throws common to using memory maps may occur. </dd></dl> <dl class="section user"><dt>Memory Allocations</dt><dd>None. </dd></dl> -<div class="fragment"><div class="line"><a name="l00471"></a><span class="lineno"> 471</span> {</div> -<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  <span class="keywordflow">return</span> <span class="keyword">self</span>.read(std::forward<decltype(reqs)>(reqs), std::forward<decltype(d)>(d));</div> -<div class="line"><a name="l00473"></a><span class="lineno"> 473</span> }</div> +<div class="fragment"><div class="line"><a name="l00473"></a><span class="lineno"> 473</span> {</div> +<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  <span class="keywordflow">return</span> <span class="keyword">self</span>.read(std::forward<decltype(reqs)>(reqs), std::forward<decltype(d)>(d));</div> +<div class="line"><a name="l00475"></a><span class="lineno"> 475</span> }</div> </div><!-- fragment --> </div> </div> @@ -1586,10 +1582,10 @@ For portability, you can only assume that barriers write order for a single hand </dd> </dl> <dl class="section user"><dt>Errors returnable</dt><dd>Any of the values POSIX dup() or NtCreateSection() can return. </dd></dl> -<div class="fragment"><div class="line"><a name="l00386"></a><span class="lineno"> 386</span> {</div> -<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceafio__v2__xxx.html#ac66cb0c9b287056b325469cc52e93f97">section_handle::section</a>(std::forward<decltype(backing)>(backing), std::forward<decltype(maximum_size)>(maximum_size), std::forward<decltype(_flag)>(_flag));</div> -<div class="line"><a name="l00388"></a><span class="lineno"> 388</span> }</div> -<div class="ttc" id="namespaceafio__v2__xxx_html_ac66cb0c9b287056b325469cc52e93f97"><div class="ttname"><a href="namespaceafio__v2__xxx.html#ac66cb0c9b287056b325469cc52e93f97">afio_v2_xxx::section</a></div><div class="ttdeci">result< section_handle > section(section_handle::extent_type maximum_size) noexcept</div><div class="ttdef"><b>Definition:</b> map_handle.hpp:395</div></div> +<div class="fragment"><div class="line"><a name="l00393"></a><span class="lineno"> 393</span> {</div> +<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceafio__v2__xxx.html#ac66cb0c9b287056b325469cc52e93f97">section_handle::section</a>(std::forward<decltype(backing)>(backing), std::forward<decltype(maximum_size)>(maximum_size), std::forward<decltype(_flag)>(_flag));</div> +<div class="line"><a name="l00395"></a><span class="lineno"> 395</span> }</div> +<div class="ttc" id="namespaceafio__v2__xxx_html_ac66cb0c9b287056b325469cc52e93f97"><div class="ttname"><a href="namespaceafio__v2__xxx.html#ac66cb0c9b287056b325469cc52e93f97">afio_v2_xxx::section</a></div><div class="ttdeci">result< section_handle > section(section_handle::extent_type maximum_size) noexcept</div><div class="ttdef"><b>Definition:</b> map_handle.hpp:402</div></div> </div><!-- fragment --> </div> </div> @@ -1631,10 +1627,10 @@ For portability, you can only assume that barriers write order for a single hand </table> </div><div class="memdoc"> <p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p> -<div class="fragment"><div class="line"><a name="l00391"></a><span class="lineno"> 391</span> {</div> -<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceafio__v2__xxx.html#ac66cb0c9b287056b325469cc52e93f97">section_handle::section</a>(std::forward<decltype(maximum_size)>(maximum_size), std::forward<decltype(backing)>(backing), std::forward<decltype(_flag)>(_flag));</div> -<div class="line"><a name="l00393"></a><span class="lineno"> 393</span> }</div> -<div class="ttc" id="namespaceafio__v2__xxx_html_ac66cb0c9b287056b325469cc52e93f97"><div class="ttname"><a href="namespaceafio__v2__xxx.html#ac66cb0c9b287056b325469cc52e93f97">afio_v2_xxx::section</a></div><div class="ttdeci">result< section_handle > section(section_handle::extent_type maximum_size) noexcept</div><div class="ttdef"><b>Definition:</b> map_handle.hpp:395</div></div> +<div class="fragment"><div class="line"><a name="l00398"></a><span class="lineno"> 398</span> {</div> +<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceafio__v2__xxx.html#ac66cb0c9b287056b325469cc52e93f97">section_handle::section</a>(std::forward<decltype(maximum_size)>(maximum_size), std::forward<decltype(backing)>(backing), std::forward<decltype(_flag)>(_flag));</div> +<div class="line"><a name="l00400"></a><span class="lineno"> 400</span> }</div> +<div class="ttc" id="namespaceafio__v2__xxx_html_ac66cb0c9b287056b325469cc52e93f97"><div class="ttname"><a href="namespaceafio__v2__xxx.html#ac66cb0c9b287056b325469cc52e93f97">afio_v2_xxx::section</a></div><div class="ttdeci">result< section_handle > section(section_handle::extent_type maximum_size) noexcept</div><div class="ttdef"><b>Definition:</b> map_handle.hpp:402</div></div> </div><!-- fragment --> </div> </div> @@ -1660,10 +1656,10 @@ For portability, you can only assume that barriers write order for a single hand </table> </div><div class="memdoc"> <p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p> -<div class="fragment"><div class="line"><a name="l00396"></a><span class="lineno"> 396</span> {</div> -<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceafio__v2__xxx.html#ac66cb0c9b287056b325469cc52e93f97">section_handle::section</a>(std::forward<decltype(maximum_size)>(maximum_size));</div> -<div class="line"><a name="l00398"></a><span class="lineno"> 398</span> }</div> -<div class="ttc" id="namespaceafio__v2__xxx_html_ac66cb0c9b287056b325469cc52e93f97"><div class="ttname"><a href="namespaceafio__v2__xxx.html#ac66cb0c9b287056b325469cc52e93f97">afio_v2_xxx::section</a></div><div class="ttdeci">result< section_handle > section(section_handle::extent_type maximum_size) noexcept</div><div class="ttdef"><b>Definition:</b> map_handle.hpp:395</div></div> +<div class="fragment"><div class="line"><a name="l00403"></a><span class="lineno"> 403</span> {</div> +<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceafio__v2__xxx.html#ac66cb0c9b287056b325469cc52e93f97">section_handle::section</a>(std::forward<decltype(maximum_size)>(maximum_size));</div> +<div class="line"><a name="l00405"></a><span class="lineno"> 405</span> }</div> +<div class="ttc" id="namespaceafio__v2__xxx_html_ac66cb0c9b287056b325469cc52e93f97"><div class="ttname"><a href="namespaceafio__v2__xxx.html#ac66cb0c9b287056b325469cc52e93f97">afio_v2_xxx::section</a></div><div class="ttdeci">result< section_handle > section(section_handle::extent_type maximum_size) noexcept</div><div class="ttdef"><b>Definition:</b> map_handle.hpp:402</div></div> </div><!-- fragment --> </div> </div> @@ -1936,9 +1932,9 @@ For portability, you can only assume that barriers write order for a single hand </div><div class="memdoc"> <p>Resize the current maximum permitted extent of the memory section to the given extent.</p> <dl class="section user"><dt>Errors returnable</dt><dd>Any of the values NtExtendSection() can return. On POSIX this is a no op. </dd></dl> -<div class="fragment"><div class="line"><a name="l00409"></a><span class="lineno"> 409</span> {</div> -<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  <span class="keywordflow">return</span> <span class="keyword">self</span>.truncate(std::forward<decltype(newsize)>(newsize));</div> -<div class="line"><a name="l00411"></a><span class="lineno"> 411</span> }</div> +<div class="fragment"><div class="line"><a name="l00411"></a><span class="lineno"> 411</span> {</div> +<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="keywordflow">return</span> <span class="keyword">self</span>.truncate(std::forward<decltype(newsize)>(newsize));</div> +<div class="line"><a name="l00413"></a><span class="lineno"> 413</span> }</div> </div><!-- fragment --> </div> </div> @@ -2039,9 +2035,9 @@ For portability, you can only assume that barriers write order for a single hand </dl> <dl class="section user"><dt>Errors returnable</dt><dd>None, though the various signals and structured exception throws common to using memory maps may occur. </dd></dl> <dl class="section user"><dt>Memory Allocations</dt><dd>None. </dd></dl> -<div class="fragment"><div class="line"><a name="l00485"></a><span class="lineno"> 485</span> {</div> -<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  <span class="keywordflow">return</span> <span class="keyword">self</span>.write(std::forward<decltype(reqs)>(reqs), std::forward<decltype(d)>(d));</div> -<div class="line"><a name="l00487"></a><span class="lineno"> 487</span> }</div> +<div class="fragment"><div class="line"><a name="l00487"></a><span class="lineno"> 487</span> {</div> +<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  <span class="keywordflow">return</span> <span class="keyword">self</span>.write(std::forward<decltype(reqs)>(reqs), std::forward<decltype(d)>(d));</div> +<div class="line"><a name="l00489"></a><span class="lineno"> 489</span> }</div> </div><!-- fragment --> </div> </div> @@ -2096,9 +2092,9 @@ For portability, you can only assume that barriers write order for a single hand </dl> <dl class="section user"><dt>Errors returnable</dt><dd>Any of the values POSIX write() can return, <code>errc::timed_out</code>, <code>errc::operation_canceled</code>. <code>errc::not_supported</code> may be returned if deadline i/o is not possible with this particular handle configuration (e.g. writing to regular files on POSIX or writing to a non-overlapped HANDLE on Windows). </dd></dl> <dl class="section user"><dt>Memory Allocations</dt><dd>The default synchronous implementation in file_handle performs no memory allocation. 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class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <a class="code" href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3eadc582374ac8ba5ca2d5dd81cc81258e9">none</a> = 0, <span class="comment">//!< No flags</span></div> -<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="comment"></span><span class="comment"> /*! Unlinks the file on handle close. On POSIX, this simply unlinks whatever is pointed</span></div> -<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="comment"> to by `path()` upon the call of `close()` if and only if the inode matches. On Windows,</span></div> -<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="comment"> this opens the file handle with the `FILE_FLAG_DELETE_ON_CLOSE` modifier which substantially</span></div> -<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="comment"> affects caching policy and causes the \b first handle close to make the file unavailable for</span></div> -<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="comment"> anyone else to open with an `errc::resource_unavailable_try_again` error return. Because this is confusing, unless the</span></div> -<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="comment"> `win_disable_unlink_emulation` flag is also specified, this POSIX behaviour is</span></div> -<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="comment"> somewhat emulated by AFIO on Windows by renaming the file to a random name on `close()`</span></div> -<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="comment"> causing it to appear to have been unlinked immediately.</span></div> -<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="comment"> */</span></div> -<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <a class="code" href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3eae4a6e7b4b6489cd3761d9606ec07f09c">unlink_on_close</a> = 1 << 0,</div> -<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="comment"></span></div> -<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="comment"> /*! Some kernel caching modes have unhelpfully inconsistent behaviours</span></div> -<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="comment"> in getting your data onto storage, so by default unless this flag is</span></div> -<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="comment"> specified AFIO adds extra fsyncs to the following operations for the</span></div> -<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="comment"> caching modes specified below:</span></div> -<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="comment"> * truncation of file length either explicitly or during file open.</span></div> -<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="comment"> * closing of the handle either explicitly or in the destructor.</span></div> -<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="comment"></span></div> -<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="comment"> Additionally on Linux only to prevent loss of file metadata:</span></div> -<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="comment"> * On the parent directory whenever a file might have been created.</span></div> -<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="comment"> * On the parent directory on file close.</span></div> -<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="comment"></span></div> -<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="comment"> This only occurs for these kernel caching modes:</span></div> -<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="comment"> * caching::none</span></div> -<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="comment"> * caching::reads</span></div> -<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="comment"> * caching::reads_and_metadata</span></div> -<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="comment"> * caching::safety_fsyncs</span></div> -<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="comment"> */</span></div> -<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <a class="code" href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3ea9a3ba39dc74f2998838df3fc58400ce4">disable_safety_fsyncs</a> = 1 << 2,<span class="comment"></span></div> -<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="comment"> /*! `file_handle::unlink()` could accidentally delete the wrong file if someone has</span></div> -<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="comment"> renamed the open file handle since the time it was opened. To prevent this occuring,</span></div> -<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="comment"> where the OS doesn't provide race free unlink-by-open-handle we compare the inode of</span></div> -<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="comment"> the path we are about to unlink with that of the open handle before unlinking.</span></div> -<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="comment"> \warning This does not prevent races where in between the time of checking the inode</span></div> -<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="comment"> and executing the unlink a third party changes the item about to be unlinked. Only</span></div> -<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="comment"> operating systems with a true race-free unlink syscall are race free.</span></div> -<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="comment"> */</span></div> -<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <a class="code" href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3ea09f03ed90a3b187555210e8a8d09f4a0">disable_safety_unlinks</a> = 1 << 3,<span class="comment"></span></div> -<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="comment"> /*! Ask the OS to disable prefetching of data. This can improve random</span></div> -<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="comment"> i/o performance.</span></div> -<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="comment"> */</span></div> -<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <a class="code" href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3eaebfe097a938adbdf4adcbf5f559259f5">disable_prefetching</a> = 1 << 4,<span class="comment"></span></div> -<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="comment"> /*! Ask the OS to maximise prefetching of data, possibly prefetching the entire file</span></div> -<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="comment"> into kernel cache. This can improve sequential i/o performance.</span></div> -<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="comment"> */</span></div> -<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <a class="code" href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3ea67eb5d8757f506595ca2d5c06d8389dc">maximum_prefetching</a> = 1 << 5,</div> -<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> </div> -<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <a class="code" href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3ea476a57854e60d134c425521a18099df1">win_disable_unlink_emulation</a> = 1 << 24, <span class="comment">//!< See the documentation for `unlink_on_close`</span></div> -<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="comment"></span><span class="comment"> /*! Microsoft Windows NTFS, having been created in the late 1980s, did not originally</span></div> -<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="comment"> implement extents-based storage and thus could only represent sparse files via</span></div> -<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="comment"> efficient compression of intermediate zeros. With NTFS v3.0 (Microsoft Windows 2000),</span></div> -<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="comment"> a proper extents-based on-storage representation was added, thus allowing only 64Kb</span></div> -<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="comment"> extent chunks written to be stored irrespective of whatever the maximum file extent</span></div> -<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="comment"> was set to.</span></div> -<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="comment"></span></div> -<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="comment"> For various historical reasons, extents-based storage is disabled by default in newly</span></div> -<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="comment"> created files on NTFS, unlike in almost every other major filing system. You have to</span></div> -<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="comment"> explicitly "opt in" to extents-based storage.</span></div> -<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="comment"></span></div> -<div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="comment"> As extents-based storage is nearly cost free on NTFS, AFIO by default opts in to</span></div> -<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="comment"> extents-based storage for any empty file it creates. If you don't want this, you</span></div> -<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="comment"> can specify this flag to prevent that happening.</span></div> -<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="comment"> */</span></div> -<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <a class="code" href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3eae448a705e5dc826a89900353c2601db4">win_disable_sparse_file_creation</a> = 1 << 25,</div> -<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> </div> -<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="comment">// NOTE: IF UPDATING THIS UPDATE THE std::ostream PRINTER BELOW!!!</span></div> -<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> </div> -<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <a class="code" href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3ea99093d0cc4dd36e5f36f336b33a826ab">overlapped</a> = 1 << 28, <span class="comment">//!< On Windows, create any new handles with OVERLAPPED semantics</span></div> -<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <span class="comment"></span> <a class="code" href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3eae1fcc9d8ed4b5c23601bea4dda367316">byte_lock_insanity</a> = 1 << 29, <span class="comment">//!< Using insane POSIX byte range locks</span></div> -<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="comment"></span> <a class="code" href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3ea802bd6921ae57e138c9c7eb8e06c2409">anonymous_inode</a> = 1 << 30 <span class="comment">//!< This is an inode created with no representation on the filing system</span></div> -<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> <span class="comment"></span> }</div> -<div class="ttc" id="structafio__v2__xxx_1_1handle_1_1flag__base_html_a51aaa32c78950cedbc1b7a61e1738d3ea476a57854e60d134c425521a18099df1"><div class="ttname"><a href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3ea476a57854e60d134c425521a18099df1">afio_v2_xxx::handle::flag_base::win_disable_unlink_emulation</a></div><div class="ttdoc">See the documentation for unlink_on_close </div><div class="ttdef"><b>Definition:</b> handle.hpp:145</div></div> -<div class="ttc" id="structafio__v2__xxx_1_1handle_1_1flag__base_html_a51aaa32c78950cedbc1b7a61e1738d3ea9a3ba39dc74f2998838df3fc58400ce4"><div class="ttname"><a href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3ea9a3ba39dc74f2998838df3fc58400ce4">afio_v2_xxx::handle::flag_base::disable_safety_fsyncs</a></div><div class="ttdef"><b>Definition:</b> handle.hpp:126</div></div> -<div class="ttc" id="structafio__v2__xxx_1_1handle_1_1flag__base_html_a51aaa32c78950cedbc1b7a61e1738d3eae448a705e5dc826a89900353c2601db4"><div class="ttname"><a href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3eae448a705e5dc826a89900353c2601db4">afio_v2_xxx::handle::flag_base::win_disable_sparse_file_creation</a></div><div class="ttdef"><b>Definition:</b> handle.hpp:161</div></div> -<div class="ttc" id="structafio__v2__xxx_1_1handle_1_1flag__base_html_a51aaa32c78950cedbc1b7a61e1738d3ea802bd6921ae57e138c9c7eb8e06c2409"><div class="ttname"><a href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3ea802bd6921ae57e138c9c7eb8e06c2409">afio_v2_xxx::handle::flag_base::anonymous_inode</a></div><div class="ttdoc">This is an inode created with no representation on the filing system. </div><div class="ttdef"><b>Definition:</b> handle.hpp:167</div></div> -<div class="ttc" id="structafio__v2__xxx_1_1handle_1_1flag__base_html_a51aaa32c78950cedbc1b7a61e1738d3ea99093d0cc4dd36e5f36f336b33a826ab"><div class="ttname"><a href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3ea99093d0cc4dd36e5f36f336b33a826ab">afio_v2_xxx::handle::flag_base::overlapped</a></div><div class="ttdoc">On Windows, create any new handles with OVERLAPPED semantics. </div><div class="ttdef"><b>Definition:</b> handle.hpp:165</div></div> -<div class="ttc" id="structafio__v2__xxx_1_1handle_1_1flag__base_html_a51aaa32c78950cedbc1b7a61e1738d3eae1fcc9d8ed4b5c23601bea4dda367316"><div class="ttname"><a href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3eae1fcc9d8ed4b5c23601bea4dda367316">afio_v2_xxx::handle::flag_base::byte_lock_insanity</a></div><div class="ttdoc">Using insane POSIX byte range locks. </div><div class="ttdef"><b>Definition:</b> handle.hpp:166</div></div> -<div class="ttc" id="structafio__v2__xxx_1_1handle_1_1flag__base_html_a51aaa32c78950cedbc1b7a61e1738d3eadc582374ac8ba5ca2d5dd81cc81258e9"><div class="ttname"><a href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3eadc582374ac8ba5ca2d5dd81cc81258e9">afio_v2_xxx::handle::flag_base::none</a></div><div class="ttdoc">No flags. </div><div class="ttdef"><b>Definition:</b> handle.hpp:97</div></div> -<div class="ttc" id="structafio__v2__xxx_1_1handle_1_1flag__base_html_a51aaa32c78950cedbc1b7a61e1738d3eae4a6e7b4b6489cd3761d9606ec07f09c"><div class="ttname"><a href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3eae4a6e7b4b6489cd3761d9606ec07f09c">afio_v2_xxx::handle::flag_base::unlink_on_close</a></div><div class="ttdef"><b>Definition:</b> handle.hpp:107</div></div> -<div class="ttc" id="structafio__v2__xxx_1_1handle_1_1flag__base_html_a51aaa32c78950cedbc1b7a61e1738d3ea67eb5d8757f506595ca2d5c06d8389dc"><div class="ttname"><a href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3ea67eb5d8757f506595ca2d5c06d8389dc">afio_v2_xxx::handle::flag_base::maximum_prefetching</a></div><div class="ttdef"><b>Definition:</b> handle.hpp:143</div></div> -<div class="ttc" id="structafio__v2__xxx_1_1handle_1_1flag__base_html_a51aaa32c78950cedbc1b7a61e1738d3ea09f03ed90a3b187555210e8a8d09f4a0"><div class="ttname"><a href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3ea09f03ed90a3b187555210e8a8d09f4a0">afio_v2_xxx::handle::flag_base::disable_safety_unlinks</a></div><div class="ttdef"><b>Definition:</b> handle.hpp:135</div></div> -<div class="ttc" id="structafio__v2__xxx_1_1handle_1_1flag__base_html_a51aaa32c78950cedbc1b7a61e1738d3eaebfe097a938adbdf4adcbf5f559259f5"><div class="ttname"><a href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3eaebfe097a938adbdf4adcbf5f559259f5">afio_v2_xxx::handle::flag_base::disable_prefetching</a></div><div class="ttdef"><b>Definition:</b> handle.hpp:139</div></div> +<div class="fragment"><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  {</div> +<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <a class="code" href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3eadc582374ac8ba5ca2d5dd81cc81258e9">none</a> = 0, <span class="comment">//!< No flags</span></div> +<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="comment"></span><span class="comment"> /*! Unlinks the file on handle close. On POSIX, this simply unlinks whatever is pointed</span></div> +<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="comment"> to by `path()` upon the call of `close()` if and only if the inode matches. On Windows,</span></div> +<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="comment"> this opens the file handle with the `FILE_FLAG_DELETE_ON_CLOSE` modifier which substantially</span></div> +<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="comment"> affects caching policy and causes the \b first handle close to make the file unavailable for</span></div> +<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="comment"> anyone else to open with an `errc::resource_unavailable_try_again` error return. Because this is confusing, unless the</span></div> +<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="comment"> `win_disable_unlink_emulation` flag is also specified, this POSIX behaviour is</span></div> +<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="comment"> somewhat emulated by AFIO on Windows by renaming the file to a random name on `close()`</span></div> +<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="comment"> causing it to appear to have been unlinked immediately.</span></div> +<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="comment"> */</span></div> +<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <a class="code" href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3eae4a6e7b4b6489cd3761d9606ec07f09c">unlink_on_close</a> = 1 << 0,</div> +<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="comment"></span></div> +<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="comment"> /*! Some kernel caching modes have unhelpfully inconsistent behaviours</span></div> +<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="comment"> in getting your data onto storage, so by default unless this flag is</span></div> +<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="comment"> specified AFIO adds extra fsyncs to the following operations for the</span></div> +<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="comment"> caching modes specified below:</span></div> +<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="comment"> * truncation of file length either explicitly or during file open.</span></div> +<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="comment"> * closing of the handle either explicitly or in the destructor.</span></div> +<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="comment"></span></div> +<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="comment"> Additionally on Linux only to prevent loss of file metadata:</span></div> +<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="comment"> * On the parent directory whenever a file might have been created.</span></div> +<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="comment"> * On the parent directory on file close.</span></div> +<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="comment"></span></div> +<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="comment"> This only occurs for these kernel caching modes:</span></div> +<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="comment"> * caching::none</span></div> +<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="comment"> * caching::reads</span></div> +<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="comment"> * caching::reads_and_metadata</span></div> +<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="comment"> * caching::safety_fsyncs</span></div> +<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="comment"> */</span></div> +<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <a class="code" href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3ea9a3ba39dc74f2998838df3fc58400ce4">disable_safety_fsyncs</a> = 1 << 2,<span class="comment"></span></div> +<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="comment"> /*! `file_handle::unlink()` could accidentally delete the wrong file if someone has</span></div> +<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="comment"> renamed the open file handle since the time it was opened. To prevent this occuring,</span></div> +<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="comment"> where the OS doesn't provide race free unlink-by-open-handle we compare the inode of</span></div> +<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="comment"> the path we are about to unlink with that of the open handle before unlinking.</span></div> +<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="comment"> \warning This does not prevent races where in between the time of checking the inode</span></div> +<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="comment"> and executing the unlink a third party changes the item about to be unlinked. Only</span></div> +<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="comment"> operating systems with a true race-free unlink syscall are race free.</span></div> +<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="comment"> */</span></div> +<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <a class="code" href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3ea09f03ed90a3b187555210e8a8d09f4a0">disable_safety_unlinks</a> = 1 << 3,<span class="comment"></span></div> +<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="comment"> /*! Ask the OS to disable prefetching of data. This can improve random</span></div> +<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="comment"> i/o performance.</span></div> +<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="comment"> */</span></div> +<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <a class="code" href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3eaebfe097a938adbdf4adcbf5f559259f5">disable_prefetching</a> = 1 << 4,<span class="comment"></span></div> +<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="comment"> /*! Ask the OS to maximise prefetching of data, possibly prefetching the entire file</span></div> +<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="comment"> into kernel cache. This can improve sequential i/o performance.</span></div> +<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="comment"> */</span></div> +<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <a class="code" href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3ea67eb5d8757f506595ca2d5c06d8389dc">maximum_prefetching</a> = 1 << 5,</div> +<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> </div> +<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <a class="code" href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3ea476a57854e60d134c425521a18099df1">win_disable_unlink_emulation</a> = 1 << 24, <span class="comment">//!< See the documentation for `unlink_on_close`</span></div> +<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="comment"></span><span class="comment"> /*! Microsoft Windows NTFS, having been created in the late 1980s, did not originally</span></div> +<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="comment"> implement extents-based storage and thus could only represent sparse files via</span></div> +<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="comment"> efficient compression of intermediate zeros. With NTFS v3.0 (Microsoft Windows 2000),</span></div> +<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="comment"> a proper extents-based on-storage representation was added, thus allowing only 64Kb</span></div> +<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="comment"> extent chunks written to be stored irrespective of whatever the maximum file extent</span></div> +<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="comment"> was set to.</span></div> +<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="comment"></span></div> +<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="comment"> For various historical reasons, extents-based storage is disabled by default in newly</span></div> +<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="comment"> created files on NTFS, unlike in almost every other major filing system. You have to</span></div> +<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="comment"> explicitly "opt in" to extents-based storage.</span></div> +<div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="comment"></span></div> +<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="comment"> As extents-based storage is nearly cost free on NTFS, AFIO by default opts in to</span></div> +<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="comment"> extents-based storage for any empty file it creates. If you don't want this, you</span></div> +<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="comment"> can specify this flag to prevent that happening.</span></div> +<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="comment"> */</span></div> +<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <a class="code" href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3eae448a705e5dc826a89900353c2601db4">win_disable_sparse_file_creation</a> = 1 << 25,</div> +<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> </div> +<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="comment">// NOTE: IF UPDATING THIS UPDATE THE std::ostream PRINTER BELOW!!!</span></div> +<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> </div> +<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <a class="code" href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3ea99093d0cc4dd36e5f36f336b33a826ab">overlapped</a> = 1 << 28, <span class="comment">//!< On Windows, create any new handles with OVERLAPPED semantics</span></div> +<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="comment"></span> <a class="code" href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3eae1fcc9d8ed4b5c23601bea4dda367316">byte_lock_insanity</a> = 1 << 29, <span class="comment">//!< Using insane POSIX byte range locks</span></div> +<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> <span class="comment"></span> <a class="code" href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3ea802bd6921ae57e138c9c7eb8e06c2409">anonymous_inode</a> = 1 << 30 <span class="comment">//!< This is an inode created with no representation on the filing system</span></div> +<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> <span class="comment"></span> }</div> +<div class="ttc" id="structafio__v2__xxx_1_1handle_1_1flag__base_html_a51aaa32c78950cedbc1b7a61e1738d3ea476a57854e60d134c425521a18099df1"><div class="ttname"><a href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3ea476a57854e60d134c425521a18099df1">afio_v2_xxx::handle::flag_base::win_disable_unlink_emulation</a></div><div class="ttdoc">See the documentation for unlink_on_close </div><div class="ttdef"><b>Definition:</b> handle.hpp:146</div></div> +<div class="ttc" id="structafio__v2__xxx_1_1handle_1_1flag__base_html_a51aaa32c78950cedbc1b7a61e1738d3ea9a3ba39dc74f2998838df3fc58400ce4"><div class="ttname"><a href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3ea9a3ba39dc74f2998838df3fc58400ce4">afio_v2_xxx::handle::flag_base::disable_safety_fsyncs</a></div><div class="ttdef"><b>Definition:</b> handle.hpp:127</div></div> +<div class="ttc" id="structafio__v2__xxx_1_1handle_1_1flag__base_html_a51aaa32c78950cedbc1b7a61e1738d3eae448a705e5dc826a89900353c2601db4"><div class="ttname"><a href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3eae448a705e5dc826a89900353c2601db4">afio_v2_xxx::handle::flag_base::win_disable_sparse_file_creation</a></div><div class="ttdef"><b>Definition:</b> handle.hpp:162</div></div> +<div class="ttc" id="structafio__v2__xxx_1_1handle_1_1flag__base_html_a51aaa32c78950cedbc1b7a61e1738d3ea802bd6921ae57e138c9c7eb8e06c2409"><div class="ttname"><a href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3ea802bd6921ae57e138c9c7eb8e06c2409">afio_v2_xxx::handle::flag_base::anonymous_inode</a></div><div class="ttdoc">This is an inode created with no representation on the filing system. </div><div class="ttdef"><b>Definition:</b> handle.hpp:168</div></div> +<div class="ttc" id="structafio__v2__xxx_1_1handle_1_1flag__base_html_a51aaa32c78950cedbc1b7a61e1738d3ea99093d0cc4dd36e5f36f336b33a826ab"><div class="ttname"><a href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3ea99093d0cc4dd36e5f36f336b33a826ab">afio_v2_xxx::handle::flag_base::overlapped</a></div><div class="ttdoc">On Windows, create any new handles with OVERLAPPED semantics. </div><div class="ttdef"><b>Definition:</b> handle.hpp:166</div></div> +<div class="ttc" id="structafio__v2__xxx_1_1handle_1_1flag__base_html_a51aaa32c78950cedbc1b7a61e1738d3eae1fcc9d8ed4b5c23601bea4dda367316"><div class="ttname"><a href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3eae1fcc9d8ed4b5c23601bea4dda367316">afio_v2_xxx::handle::flag_base::byte_lock_insanity</a></div><div class="ttdoc">Using insane POSIX byte range locks. </div><div class="ttdef"><b>Definition:</b> handle.hpp:167</div></div> +<div class="ttc" id="structafio__v2__xxx_1_1handle_1_1flag__base_html_a51aaa32c78950cedbc1b7a61e1738d3eadc582374ac8ba5ca2d5dd81cc81258e9"><div class="ttname"><a href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3eadc582374ac8ba5ca2d5dd81cc81258e9">afio_v2_xxx::handle::flag_base::none</a></div><div class="ttdoc">No flags. </div><div class="ttdef"><b>Definition:</b> handle.hpp:98</div></div> +<div class="ttc" id="structafio__v2__xxx_1_1handle_1_1flag__base_html_a51aaa32c78950cedbc1b7a61e1738d3eae4a6e7b4b6489cd3761d9606ec07f09c"><div class="ttname"><a href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3eae4a6e7b4b6489cd3761d9606ec07f09c">afio_v2_xxx::handle::flag_base::unlink_on_close</a></div><div class="ttdef"><b>Definition:</b> handle.hpp:108</div></div> +<div class="ttc" id="structafio__v2__xxx_1_1handle_1_1flag__base_html_a51aaa32c78950cedbc1b7a61e1738d3ea67eb5d8757f506595ca2d5c06d8389dc"><div class="ttname"><a href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3ea67eb5d8757f506595ca2d5c06d8389dc">afio_v2_xxx::handle::flag_base::maximum_prefetching</a></div><div class="ttdef"><b>Definition:</b> handle.hpp:144</div></div> +<div class="ttc" id="structafio__v2__xxx_1_1handle_1_1flag__base_html_a51aaa32c78950cedbc1b7a61e1738d3ea09f03ed90a3b187555210e8a8d09f4a0"><div class="ttname"><a href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3ea09f03ed90a3b187555210e8a8d09f4a0">afio_v2_xxx::handle::flag_base::disable_safety_unlinks</a></div><div class="ttdef"><b>Definition:</b> handle.hpp:136</div></div> +<div class="ttc" id="structafio__v2__xxx_1_1handle_1_1flag__base_html_a51aaa32c78950cedbc1b7a61e1738d3eaebfe097a938adbdf4adcbf5f559259f5"><div class="ttname"><a href="structafio__v2__xxx_1_1handle_1_1flag__base.html#a51aaa32c78950cedbc1b7a61e1738d3eaebfe097a938adbdf4adcbf5f559259f5">afio_v2_xxx::handle::flag_base::disable_prefetching</a></div><div class="ttdef"><b>Definition:</b> handle.hpp:140</div></div> </div><!-- fragment --> </div> </div> diff --git a/structafio__v2__xxx_1_1section__handle_1_1flag__base-members.html b/structafio__v2__xxx_1_1section__handle_1_1flag__base-members.html index 81ad2205..6f8c057e 100644 --- a/structafio__v2__xxx_1_1section__handle_1_1flag__base-members.html +++ b/structafio__v2__xxx_1_1section__handle_1_1flag__base-members.html @@ -123,7 +123,8 @@ $(document).ready(function(){initNavTree('structafio__v2__xxx_1_1section__handle <tr><td class="entry"><a class="el" href="structafio__v2__xxx_1_1section__handle_1_1flag__base.html#a5b790e66402ef3a07ce9464f3e1dc9d8a522b281f854fe92d7ea674d2d8cc4be2">prefault</a> enum value</td><td class="entry"><a class="el" href="structafio__v2__xxx_1_1section__handle_1_1flag__base.html">afio_v2_xxx::section_handle::flag_base</a></td><td class="entry"></td></tr> <tr class="even"><td class="entry"><a class="el" href="structafio__v2__xxx_1_1section__handle_1_1flag__base.html#a5b790e66402ef3a07ce9464f3e1dc9d8a5de9274683882ee1d0584d535ec4959a">read</a> enum value</td><td class="entry"><a class="el" href="structafio__v2__xxx_1_1section__handle_1_1flag__base.html">afio_v2_xxx::section_handle::flag_base</a></td><td class="entry"></td></tr> <tr bgcolor="#f0f0f0"><td class="entry"><b>readwrite</b> enum value (defined in <a class="el" href="structafio__v2__xxx_1_1section__handle_1_1flag__base.html">afio_v2_xxx::section_handle::flag_base</a>)</td><td class="entry"><a class="el" href="structafio__v2__xxx_1_1section__handle_1_1flag__base.html">afio_v2_xxx::section_handle::flag_base</a></td><td class="entry"></td></tr> - <tr class="even"><td class="entry"><a class="el" href="structafio__v2__xxx_1_1section__handle_1_1flag__base.html#a5b790e66402ef3a07ce9464f3e1dc9d8a883f4e2f10f711e329d8389682550a71">write</a> enum value</td><td class="entry"><a class="el" href="structafio__v2__xxx_1_1section__handle_1_1flag__base.html">afio_v2_xxx::section_handle::flag_base</a></td><td class="entry"></td></tr> + <tr class="even"><td class="entry"><a class="el" href="structafio__v2__xxx_1_1section__handle_1_1flag__base.html#a5b790e66402ef3a07ce9464f3e1dc9d8a091dabebebe6745fe9c1ed2901c125f2">singleton</a> enum value</td><td class="entry"><a class="el" href="structafio__v2__xxx_1_1section__handle_1_1flag__base.html">afio_v2_xxx::section_handle::flag_base</a></td><td class="entry"></td></tr> + <tr><td class="entry"><a class="el" href="structafio__v2__xxx_1_1section__handle_1_1flag__base.html#a5b790e66402ef3a07ce9464f3e1dc9d8a883f4e2f10f711e329d8389682550a71">write</a> enum value</td><td class="entry"><a class="el" href="structafio__v2__xxx_1_1section__handle_1_1flag__base.html">afio_v2_xxx::section_handle::flag_base</a></td><td class="entry"></td></tr> </table></div><!-- contents --> </div><!-- doc-content --> <!-- start footer part --> diff --git a/structafio__v2__xxx_1_1section__handle_1_1flag__base.html b/structafio__v2__xxx_1_1section__handle_1_1flag__base.html index 527d06a8..4a11cd50 100644 --- a/structafio__v2__xxx_1_1section__handle_1_1flag__base.html +++ b/structafio__v2__xxx_1_1section__handle_1_1flag__base.html @@ -132,7 +132,8 @@ Public Types</h2></td></tr> <a class="el" href="structafio__v2__xxx_1_1section__handle_1_1flag__base.html#a5b790e66402ef3a07ce9464f3e1dc9d8a522b281f854fe92d7ea674d2d8cc4be2">prefault</a> = 1 << 9, <a class="el" href="structafio__v2__xxx_1_1section__handle_1_1flag__base.html#a5b790e66402ef3a07ce9464f3e1dc9d8ac4d63015efddf12ccdb30242e135f35c">executable</a> = 1 << 10, <br/> -  <a class="el" href="structafio__v2__xxx_1_1section__handle_1_1flag__base.html#a5b790e66402ef3a07ce9464f3e1dc9d8a13b22e159d85ac0067a3aac0f7255acd">barrier_on_close</a> = 1 << 16, +  <a class="el" href="structafio__v2__xxx_1_1section__handle_1_1flag__base.html#a5b790e66402ef3a07ce9464f3e1dc9d8a091dabebebe6745fe9c1ed2901c125f2">singleton</a> = 1 << 11, +<a class="el" href="structafio__v2__xxx_1_1section__handle_1_1flag__base.html#a5b790e66402ef3a07ce9464f3e1dc9d8a13b22e159d85ac0067a3aac0f7255acd">barrier_on_close</a> = 1 << 16, <b>readwrite</b> = (read | write) <br/> }</td></tr> @@ -175,6 +176,9 @@ Public Types</h2></td></tr> <tr><td class="fieldname"><em><a class="anchor" id="a5b790e66402ef3a07ce9464f3e1dc9d8ac4d63015efddf12ccdb30242e135f35c"></a>executable</em> </td><td class="fielddoc"> <p>The backing storage is in fact an executable program binary. </p> </td></tr> +<tr><td class="fieldname"><em><a class="anchor" id="a5b790e66402ef3a07ce9464f3e1dc9d8a091dabebebe6745fe9c1ed2901c125f2"></a>singleton</em> </td><td class="fielddoc"> +<p>A single instance of this section is to be shared by all processes using the same backing file. </p> +</td></tr> <tr><td class="fieldname"><em><a class="anchor" id="a5b790e66402ef3a07ce9464f3e1dc9d8a13b22e159d85ac0067a3aac0f7255acd"></a>barrier_on_close</em> </td><td class="fielddoc"> <p>Maps of this section, if writable, issue a <code>barrier()</code> when destructed blocking until data (not metadata) reaches physical storage. </p> </td></tr> @@ -188,17 +192,19 @@ Public Types</h2></td></tr> <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <a class="code" href="structafio__v2__xxx_1_1section__handle_1_1flag__base.html#a5b790e66402ef3a07ce9464f3e1dc9d8aaee6e5b8a4cbbc5ff38bc3687b9fa286">nocommit</a> = 1 << 8, <span class="comment">//!< Don't allocate space for this memory in the system immediately</span></div> <div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="comment"></span> <a class="code" href="structafio__v2__xxx_1_1section__handle_1_1flag__base.html#a5b790e66402ef3a07ce9464f3e1dc9d8a522b281f854fe92d7ea674d2d8cc4be2">prefault</a> = 1 << 9, <span class="comment">//!< Prefault, as if by reading every page, any views of memory upon creation.</span></div> <div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="comment"></span> <a class="code" href="structafio__v2__xxx_1_1section__handle_1_1flag__base.html#a5b790e66402ef3a07ce9464f3e1dc9d8ac4d63015efddf12ccdb30242e135f35c">executable</a> = 1 << 10, <span class="comment">//!< The backing storage is in fact an executable program binary.</span></div> -<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment"></span></div> -<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <a class="code" href="structafio__v2__xxx_1_1section__handle_1_1flag__base.html#a5b790e66402ef3a07ce9464f3e1dc9d8a13b22e159d85ac0067a3aac0f7255acd">barrier_on_close</a> = 1 << 16, <span class="comment">//!< Maps of this section, if writable, issue a `barrier()` when destructed blocking until data (not metadata) reaches physical storage.</span></div> -<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="comment"></span></div> -<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="comment">// NOTE: IF UPDATING THIS UPDATE THE std::ostream PRINTER BELOW!!!</span></div> -<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div> -<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  readwrite = (<a class="code" href="structafio__v2__xxx_1_1section__handle_1_1flag__base.html#a5b790e66402ef3a07ce9464f3e1dc9d8a5de9274683882ee1d0584d535ec4959a">read</a> | <a class="code" href="structafio__v2__xxx_1_1section__handle_1_1flag__base.html#a5b790e66402ef3a07ce9464f3e1dc9d8a883f4e2f10f711e329d8389682550a71">write</a>)};</div> +<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment"></span> <a class="code" href="structafio__v2__xxx_1_1section__handle_1_1flag__base.html#a5b790e66402ef3a07ce9464f3e1dc9d8a091dabebebe6745fe9c1ed2901c125f2">singleton</a> = 1 << 11, <span class="comment">//!< A single instance of this section is to be shared by all processes using the same backing file.</span></div> +<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment"></span></div> +<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <a class="code" href="structafio__v2__xxx_1_1section__handle_1_1flag__base.html#a5b790e66402ef3a07ce9464f3e1dc9d8a13b22e159d85ac0067a3aac0f7255acd">barrier_on_close</a> = 1 << 16, <span class="comment">//!< Maps of this section, if writable, issue a `barrier()` when destructed blocking until data (not metadata) reaches physical storage.</span></div> +<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="comment"></span></div> +<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="comment">// NOTE: IF UPDATING THIS UPDATE THE std::ostream PRINTER BELOW!!!</span></div> +<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div> +<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  readwrite = (<a class="code" href="structafio__v2__xxx_1_1section__handle_1_1flag__base.html#a5b790e66402ef3a07ce9464f3e1dc9d8a5de9274683882ee1d0584d535ec4959a">read</a> | <a class="code" href="structafio__v2__xxx_1_1section__handle_1_1flag__base.html#a5b790e66402ef3a07ce9464f3e1dc9d8a883f4e2f10f711e329d8389682550a71">write</a>)};</div> <div class="ttc" id="structafio__v2__xxx_1_1section__handle_1_1flag__base_html_a5b790e66402ef3a07ce9464f3e1dc9d8aa7b8e12448e73233d3631a6f8c2bb475"><div class="ttname"><a href="structafio__v2__xxx_1_1section__handle_1_1flag__base.html#a5b790e66402ef3a07ce9464f3e1dc9d8aa7b8e12448e73233d3631a6f8c2bb475">afio_v2_xxx::section_handle::flag_base::cow</a></div><div class="ttdoc">Memory views can be copy on written. </div><div class="ttdef"><b>Definition:</b> map_handle.hpp:55</div></div> -<div class="ttc" id="structafio__v2__xxx_1_1section__handle_1_1flag__base_html_a5b790e66402ef3a07ce9464f3e1dc9d8a13b22e159d85ac0067a3aac0f7255acd"><div class="ttname"><a href="structafio__v2__xxx_1_1section__handle_1_1flag__base.html#a5b790e66402ef3a07ce9464f3e1dc9d8a13b22e159d85ac0067a3aac0f7255acd">afio_v2_xxx::section_handle::flag_base::barrier_on_close</a></div><div class="ttdoc">Maps of this section, if writable, issue a barrier() when destructed blocking until data (not metadat...</div><div class="ttdef"><b>Definition:</b> map_handle.hpp:62</div></div> +<div class="ttc" id="structafio__v2__xxx_1_1section__handle_1_1flag__base_html_a5b790e66402ef3a07ce9464f3e1dc9d8a13b22e159d85ac0067a3aac0f7255acd"><div class="ttname"><a href="structafio__v2__xxx_1_1section__handle_1_1flag__base.html#a5b790e66402ef3a07ce9464f3e1dc9d8a13b22e159d85ac0067a3aac0f7255acd">afio_v2_xxx::section_handle::flag_base::barrier_on_close</a></div><div class="ttdoc">Maps of this section, if writable, issue a barrier() when destructed blocking until data (not metadat...</div><div class="ttdef"><b>Definition:</b> map_handle.hpp:63</div></div> <div class="ttc" id="structafio__v2__xxx_1_1section__handle_1_1flag__base_html_a5b790e66402ef3a07ce9464f3e1dc9d8a5de9274683882ee1d0584d535ec4959a"><div class="ttname"><a href="structafio__v2__xxx_1_1section__handle_1_1flag__base.html#a5b790e66402ef3a07ce9464f3e1dc9d8a5de9274683882ee1d0584d535ec4959a">afio_v2_xxx::section_handle::flag_base::read</a></div><div class="ttdoc">Memory views can be read. </div><div class="ttdef"><b>Definition:</b> map_handle.hpp:53</div></div> <div class="ttc" id="structafio__v2__xxx_1_1section__handle_1_1flag__base_html_a5b790e66402ef3a07ce9464f3e1dc9d8a522b281f854fe92d7ea674d2d8cc4be2"><div class="ttname"><a href="structafio__v2__xxx_1_1section__handle_1_1flag__base.html#a5b790e66402ef3a07ce9464f3e1dc9d8a522b281f854fe92d7ea674d2d8cc4be2">afio_v2_xxx::section_handle::flag_base::prefault</a></div><div class="ttdoc">Prefault, as if by reading every page, any views of memory upon creation. </div><div class="ttdef"><b>Definition:</b> map_handle.hpp:59</div></div> <div class="ttc" id="structafio__v2__xxx_1_1section__handle_1_1flag__base_html_a5b790e66402ef3a07ce9464f3e1dc9d8ac4d63015efddf12ccdb30242e135f35c"><div class="ttname"><a href="structafio__v2__xxx_1_1section__handle_1_1flag__base.html#a5b790e66402ef3a07ce9464f3e1dc9d8ac4d63015efddf12ccdb30242e135f35c">afio_v2_xxx::section_handle::flag_base::executable</a></div><div class="ttdoc">The backing storage is in fact an executable program binary. </div><div class="ttdef"><b>Definition:</b> map_handle.hpp:60</div></div> +<div class="ttc" id="structafio__v2__xxx_1_1section__handle_1_1flag__base_html_a5b790e66402ef3a07ce9464f3e1dc9d8a091dabebebe6745fe9c1ed2901c125f2"><div class="ttname"><a href="structafio__v2__xxx_1_1section__handle_1_1flag__base.html#a5b790e66402ef3a07ce9464f3e1dc9d8a091dabebebe6745fe9c1ed2901c125f2">afio_v2_xxx::section_handle::flag_base::singleton</a></div><div class="ttdoc">A single instance of this section is to be shared by all processes using the same backing file...</div><div class="ttdef"><b>Definition:</b> map_handle.hpp:61</div></div> <div class="ttc" id="structafio__v2__xxx_1_1section__handle_1_1flag__base_html_a5b790e66402ef3a07ce9464f3e1dc9d8a26c56f64a5569c048ed853c28249726d"><div class="ttname"><a href="structafio__v2__xxx_1_1section__handle_1_1flag__base.html#a5b790e66402ef3a07ce9464f3e1dc9d8a26c56f64a5569c048ed853c28249726d">afio_v2_xxx::section_handle::flag_base::none</a></div><div class="ttdoc">No flags. </div><div class="ttdef"><b>Definition:</b> map_handle.hpp:52</div></div> <div class="ttc" id="structafio__v2__xxx_1_1section__handle_1_1flag__base_html_a5b790e66402ef3a07ce9464f3e1dc9d8a52cf147e32054f836e9fe4915eef32d1"><div class="ttname"><a href="structafio__v2__xxx_1_1section__handle_1_1flag__base.html#a5b790e66402ef3a07ce9464f3e1dc9d8a52cf147e32054f836e9fe4915eef32d1">afio_v2_xxx::section_handle::flag_base::execute</a></div><div class="ttdoc">Memory views can execute code. </div><div class="ttdef"><b>Definition:</b> map_handle.hpp:56</div></div> <div class="ttc" id="structafio__v2__xxx_1_1section__handle_1_1flag__base_html_a5b790e66402ef3a07ce9464f3e1dc9d8a883f4e2f10f711e329d8389682550a71"><div class="ttname"><a href="structafio__v2__xxx_1_1section__handle_1_1flag__base.html#a5b790e66402ef3a07ce9464f3e1dc9d8a883f4e2f10f711e329d8389682550a71">afio_v2_xxx::section_handle::flag_base::write</a></div><div class="ttdoc">Memory views can be written. </div><div class="ttdef"><b>Definition:</b> map_handle.hpp:54</div></div> diff --git a/structafio__v2__xxx_1_1section__handle_1_1flag__base.js b/structafio__v2__xxx_1_1section__handle_1_1flag__base.js index 312d2ca5..fbc4a658 100644 --- a/structafio__v2__xxx_1_1section__handle_1_1flag__base.js +++ b/structafio__v2__xxx_1_1section__handle_1_1flag__base.js @@ -9,6 +9,7 @@ var structafio__v2__xxx_1_1section__handle_1_1flag__base = [ "nocommit", "structafio__v2__xxx_1_1section__handle_1_1flag__base.html#a5b790e66402ef3a07ce9464f3e1dc9d8aaee6e5b8a4cbbc5ff38bc3687b9fa286", null ], [ "prefault", 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