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Diffstat (limited to 'include/boost/dll/detail/windows/shared_library_impl.hpp')
| -rw-r--r-- | include/boost/dll/detail/windows/shared_library_impl.hpp | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/include/boost/dll/detail/windows/shared_library_impl.hpp b/include/boost/dll/detail/windows/shared_library_impl.hpp deleted file mode 100644 index d25d3364..00000000 --- a/include/boost/dll/detail/windows/shared_library_impl.hpp +++ /dev/null @@ -1,167 +0,0 @@ -// Copyright 2014 Renato Tegon Forti, Antony Polukhin. -// Copyright 2015 Antony Polukhin. -// -// Distributed under the Boost Software License, Version 1.0. -// (See accompanying file LICENSE_1_0.txt -// or copy at http://www.boost.org/LICENSE_1_0.txt) - -#ifndef BOOST_DLL_SHARED_LIBRARY_IMPL_HPP -#define BOOST_DLL_SHARED_LIBRARY_IMPL_HPP - -#include <boost/config.hpp> -#include <boost/dll/shared_library_load_mode.hpp> -#include <boost/dll/detail/aggressive_ptr_cast.hpp> -#include <boost/dll/detail/system_error.hpp> -#include <boost/dll/detail/windows/path_from_handle.hpp> - -//#include <boost/move/utility.hpp> -#include <boost/swap.hpp> -#include <boost/filesystem/path.hpp> - -#include <boost/detail/winapi/dll.hpp> - -#ifdef BOOST_HAS_PRAGMA_ONCE -# pragma once -#endif - -namespace boost { namespace dll { namespace detail { - -class shared_library_impl { - BOOST_MOVABLE_BUT_NOT_COPYABLE(shared_library_impl) - -public: - typedef boost::detail::winapi::HMODULE_ native_handle_t; - - shared_library_impl() BOOST_NOEXCEPT - : handle_(NULL) - {} - - ~shared_library_impl() BOOST_NOEXCEPT { - unload(); - } - - shared_library_impl(BOOST_RV_REF(shared_library_impl) sl) BOOST_NOEXCEPT - : handle_(sl.handle_) - { - sl.handle_ = NULL; - } - - shared_library_impl & operator=(BOOST_RV_REF(shared_library_impl) sl) BOOST_NOEXCEPT { - handle_ = sl.handle_; - sl.handle_ = NULL; - return *this; - } - - void load(const boost::filesystem::path &sl, load_mode::type mode, boost::system::error_code &ec) { - typedef boost::detail::winapi::DWORD_ native_mode_t; - unload(); - - // Trying to open with appended decorations - if (!!(mode & load_mode::append_decorations)) { - mode = static_cast<load_mode::type>( - static_cast<native_mode_t>(mode) & (~static_cast<native_mode_t>(load_mode::append_decorations)) - ); - - handle_ = boost::detail::winapi::LoadLibraryExW((sl.native() + L".dll").c_str(), 0, static_cast<native_mode_t>(mode)); - if (!handle_) { - // MinGW loves 'lib' prefix and puts it even on Windows platform - handle_ = boost::detail::winapi::LoadLibraryExW( - ((sl.parent_path() / L"lib").native() + sl.filename().native() + L".dll").c_str(), - 0, - static_cast<native_mode_t>(mode) - ); - } - - if (handle_) { - return; - } - } - - // From MSDN: If the string specifies a module name without a path and the - // file name extension is omitted, the function appends the default library - // extension .dll to the module name. - // - // From experiments: Default library extension appended to the module name even if - // we have some path. So we do not check for path, only for extension. We can not be sure that - // such behavior remain across all platforms, so we add L"." by hand. - if (sl.has_extension()) { - handle_ = boost::detail::winapi::LoadLibraryExW(sl.c_str(), 0, static_cast<native_mode_t>(mode)); - } else { - handle_ = boost::detail::winapi::LoadLibraryExW((sl.native() + L".").c_str(), 0, static_cast<native_mode_t>(mode)); - } - - // LoadLibraryExW method is capable of self loading from program_location() path. No special actions - // must be taken to allow self loading. - - if (!handle_) { - ec = boost::dll::detail::last_error_code(); - } - } - - bool is_loaded() const BOOST_NOEXCEPT { - return (handle_ != 0); - } - - void unload() BOOST_NOEXCEPT { - if (handle_) { - boost::detail::winapi::FreeLibrary(handle_); - handle_ = 0; - } - } - - void swap(shared_library_impl& rhs) BOOST_NOEXCEPT { - boost::swap(handle_, rhs.handle_); - } - - boost::filesystem::path full_module_path(boost::system::error_code &ec) const { - return boost::dll::detail::path_from_handle(handle_, ec); - } - - static boost::filesystem::path suffix() { - return L".dll"; - } - - void* symbol_addr(const char* sb, boost::system::error_code &ec) const BOOST_NOEXCEPT { - if (is_resource()) { - // `GetProcAddress` could not be called for libraries loaded with - // `LOAD_LIBRARY_AS_DATAFILE`, `LOAD_LIBRARY_AS_DATAFILE_EXCLUSIVE` - // or `LOAD_LIBRARY_AS_IMAGE_RESOURCE`. - ec = boost::system::error_code( - boost::system::errc::operation_not_supported, - boost::system::generic_category() - ); - - return NULL; - } - - // Judging by the documentation of GetProcAddress - // there is no version for UNICODE, because - // names of functions are stored in narrow characters. - void* const symbol = boost::dll::detail::aggressive_ptr_cast<void*>( - boost::detail::winapi::GetProcAddress(handle_, sb) - ); - if (symbol == NULL) { - ec = boost::dll::detail::last_error_code(); - } - - return symbol; - } - - native_handle_t native() const BOOST_NOEXCEPT { - return handle_; - } - -private: - bool is_resource() const BOOST_NOEXCEPT { - return false; /*!!( - reinterpret_cast<boost::detail::winapi::ULONG_PTR_>(handle_) & static_cast<boost::detail::winapi::ULONG_PTR_>(3) - );*/ - } - - native_handle_t handle_; -}; - -}}} // boost::dll::detail - -#endif // BOOST_DLL_SHARED_LIBRARY_IMPL_HPP - |