Age | Commit message (Collapse) | Author |
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wsa_event.h instead.
* fhandler_socket.cc (NUM_SOCKS): Move to wsa_event.h.
(wsa_events): Move from DLL shared area to cygwin_shared shared
memory. Accommodate throughout.
(socket_serial_number): Ditto.
* fhandler_tape.cc (mt): Ditto.
(mtinfo_init): Remove.
(mt): Define as cygwin_shared->mt.
* flock.cc (FLOCK_PARENT_DIR_ACCESS): Remove.
(FLOCK_INODE_DIR_ACCESS): Move up in file.
(FLOCK_MUTANT_ACCESS): Ditto.
(FLOCK_EVENT_ACCESS): Ditto.
(get_lock_parent_dir): Remove.
(inode_t::inode_t): Call get_shared_parent_dir to get parent dir handle.
Add a "flock-" prefix to file's lock directory name for clarity.
* mtinfo.h (mtinfo_init): Drop declaration.
* net.cc (last_used_bindresvport): Move from DLL shared area to
cygwin_shared shared memory.
(cygwin_bindresvport_sa): Accommodate above change.
* sec_helper.cc (_everyone_sd): Move here from flock.cc.
* security.h (SD_MIN_SIZE): Ditto.
(everyone_sd): Ditto.
* shared.cc (cygwin_shared_area): Remove.
(cygwin_shared_h): New handle.
(get_shared_parent_dir): New static function.
(shared_name): Drop session_local argument. Call get_shared_parent_dir
here. Add cygwin-shared subdir to object name.
(offsets): Reinstantiate SH_CYGWIN_SHARED member.
(open_shared): Revert change from 2007-03-29 for systems supporting
SeCreateGlobalPrivilege.
(shared_info::initialize): Call mtinfo's initialize here.
(memory_init): Drop call to mtinfo_init.
* shared_info.h (SHARED_INFO_CB): Accommodate change to shared_info.
(CURR_SHARED_MAGIC): Ditto.
(class shared_info): Add members for global socket and tape info
sharing.
(enum shared_locations): Reinstantiate SH_CYGWIN_SHARED.
(get_shared_parent_dir): Declare.
(shared_name): Drop session_local argument from declaration.
* wsa_event.h: New file. Move definitions of NUM_SOCKS and
struct wsa_event here.
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CYG_MAX_PATH.
* fhandler_tty.cc (fhandler_pty_master::ptsname): Set buffer size to
TTY_NAME_MAX.
* syscalls.cc (ttyname): Eliminate the `+ 1' from the name buffer size
since TTY_NAME_MAX already counts the trailing NUL.
* libc/bsdlib.cc (openpty): Set pts buffer size to TTY_NAME_MAX.
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* fhandler_tape.cc (mt): Define as DLL shared area in
.cygwin_dll_common instead of as dynamically allocated area.
Change referencing throughout.
* mtinfo.h (mt_h): Remove entirely.
(mt): Remove extern declaration.
* shared.cc (cygwin_shared_area): New global cygwin_shared
variable located in .cygwin_dll_common.
(offsets): Define shared region addresses descending from
cygwin_shared_address.
(open_shared): Replace usage of SH_CYGWIN_SHARED by SH_USER_SHARED.
(memory_init): Set cygwin_shared just by pointing to cygwin_shared_area.
* shared_info.h (shared_locations): Remove SH_CYGWIN_SHARED and
SH_MTINFO.
(cygwin_shared_address): Define as DLL start address.
* tty.h (tty_min::tty_min): Remove constructor.
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flags.
(fhandler_base::open): Ditto.
* fhandler_floppy.cc (fhandler_dev_floppy::open): Don't allocate devbuf
in O_DIRECT case.
* fhandler_raw.cc (fhandler_dev_raw::ioctl): Don't allow buffer
changes in O_DIRECT case. Allow returning a buffer size 0, which
indicates O_DIRECT.
* fhandler_tape.cc (fhandler_dev_tape::open): Use O_SYNC flag to
hand down the !buffer_writes case. Don't allocate devbuf in O_DIRECT
case.
(fhandler_dev_tape::raw_read): Don't mess with devbuf if it's NULL.
* include/fcntl.h: Define _FDIRECT, O_DIRECT, O_DSYNC and O_RSYNC.
* include/cygwin/version.h: Bump API minor version.
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eof_detected status flag. Delete is_eom and is_eof methods.
Move drive_size, bytes_per_sector, eom_detected status flag, as well
as the methods read_file, write_file, raw_read and raw_write to ...
(class fhandler_dev_floppy): ... here. Remove is_eom and is_eof
methods. Add dup method.
* fhandler_floppy.cc (IS_EOM): New macro.
(fhandler_dev_floppy::is_eom): Remove.
(fhandler_dev_floppy::is_eof): Remove.
(fhandler_dev_floppy::fhandler_dev_floppy): Initialize status flags.
(fhandler_dev_floppy::get_drive_info): Only call EX functions on
systems supporting them and stop suffering strange delays.
(fhandler_dev_floppy::read_file): Move here, drop setting
current_position.
(fhandler_dev_floppy::write_file): Move here, drop setting
current_position.
(fhandler_dev_floppy::open): Rearrange comment.
(fhandler_dev_floppy::dup): New method.
(fhandler_dev_floppy::get_current_position): New inline method. Use
instead of former current_position were appropriate.
(fhandler_dev_floppy::raw_read): Move here. Drop EOF handling.
(fhandler_dev_floppy::raw_write): Move here. Drop EOF handling.
(fhandler_dev_floppy::lseek): Remove useless conditions. Convert
sector_aligned_offset to LARGE_INTEGER to improve SetFilePointer call.
(fhandler_dev_floppy::ioctl): Move blocksize check in RDSETBLK case
to here.
* fhandler_raw.cc (fhandler_dev_raw::is_eom): Remove.
(fhandler_dev_raw::is_eof): Remove.
(fhandler_dev_raw::write_file): Remove.
(fhandler_dev_raw::read_file): Remove.
(fhandler_dev_raw::raw_read): Remove.
(fhandler_dev_raw::raw_write): Remove.
(fhandler_dev_raw::dup): Drop copying removed members.
(fhandler_dev_raw::ioctl): Drop blocksize testing.
* wincap.h: Implement has_disk_ex_ioctls throughout.
* wincap.cc: Ditto.
(wincap_vista): Preliminary wincaps for Windows Vista/Longhorn.
(wincapc::init): Add Vista/Longhorn handling.
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when we know we're execing.
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fhandler_*::dump functions throughout.
* fhandler.h (fhandler_dev_mem::close): Remove pass-through function in favor
of virtual method.
(handler_dev_raw::close): Ditto.
(fhandler_dev_clipboard::fixup_after_exec): New method.
* fhandler_dev_mem.cc (fhandler_dev_mem::close): Eliminate pass through
* fhandler_dev_raw.cc (fhandler_dev_raw::close): Ditto.
* fhandler_clipboard.cc (fhandler_dev_clipboard::close): Don't go to extra
effort when execing.
(fhandler_dev_clipboard::fixup_after_exec): New function.
* fhandler_console.cc (fhandler_console::close): Don't do "extra stuff" when we
know we're execing.
* fhandler_disk_file.cc (fhandler_disk_file::close): Ditto.
* fhandler_dsp.cc (fhandler_dev_dsp::close): Ditto.
* fhandler_fifo.cc (fhandler_fifo.cc::close): Ditto. function in favor of base
function.
* fhandler_random.cc (fhandler_dev_random::close): Ditto.
* fhandler_registry.cc (fhandler_registry::close): Ditto.
* fhandler_tty.cc (fhandler_tty_slave::close): Ditto.
* fhandler_virtual.cc (fhandler_virtual::close): Ditto.
* pinfo.cc (proc_waiter): Remove unneeded hExeced declaration.
* sigproc.cc: Ditto.
* winsup.h (hExeced): Define here.
* fhandler_virtual.cc (fhandler_virtual::fixup_after_exec): Just call close()
to reinitialize things to known state.
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everywhere. Leave some thread.cc stuff alone for now.
* cygtls.h: Kludge some definitions to avoid including a problematic windows
header.
(_cygtls::_myfault): New entry.
(_cygtls::_myfault_errno): Ditto.
(_cygtls::fault_guarded): New function.
(_cygtls::setup_fault): Ditto.
(_cygtls::return_from_fault): Ditto.
(_cygtls::clear_fault): Ditto.
(myfault): New class.
* exceptions.cc (handle_exceptions): Handle case of guarded fault in system
routine.
* gendef: Add another entry point for setjmp that the compiler doesn't know
about and won't complain about.
* gentls_offsets: Just include windows.h rather than kludging a HANDLE def.
* miscfuncs.cc (check_null_str): Delete.
(check_null_empty_str): Ditto.
(check_null_empty_str_errno): Ditto.
(check_null_str_errno): Ditto.
(__check_null_invalid_struct): Ditto.
(__check_null_invalid_struct_errno): Ditto.
(__check_invalid_read_ptr): Ditto.
(__check_invalid_read_ptr_errno): Ditto.
(dummytest): New function.
(check_iovec_for_read): Delete.
(chec_iovec): Rename from check_iovec_for_write. Take a read/write parameter.
* tlsoffsets.h: Regenerate.
* winsup.h: Remove check_* declarations.
(check_iovec_for_read): Delete declaration. Turn into a define instead.
(check_iovec_for_write): Ditto.
(check_iovec): New declaration.
* thread.h: Use ifdef guard name consistent with other header files.
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fixup_after_fork and set_close_on_exec.
* fhandler_tape.cc (fhandler_dev_tape::open): Create mt_mtx mutex
inheritable.
(fhandler_dev_tape::close): Close mt_mtx.
(fhandler_dev_tape::dup): Duplicate mt_mtx and mt_evt as necessary.
(fhandler_dev_tape::fixup_after_fork): New method.
(fhandler_dev_tape::set_close_on_exec): New method.
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collision with large data areas.
* fhandler_console.cc (fhandler_console::get_tty_stuff): Accommodate changes to
open_shared arguments.
* fhandler_tape.cc (mtinfo_init): Ditto.
* pinfo.cc (pinfo::init): Use open_shared rather than win32 mmap calls.
* shared.cc (user_shared_initialize): Ditto.
(memory_init): Ditto.
(open_shared): Change to allow use a smore general mmap handler.
* shared_info.h (shared_locations): Add SH_JUSTCREATE, SH_JUSTOPEN.
(open_shared): Change declaration to match new usage.
* autoload.cc (LoadDLLfuncEx2): Define in terms of LoadDLLfuncEx3.
(LoadDLLfuncEx3): New macro.
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(wininfo::itv): Ditto.
(wininfo::start_time): Ditto.
(wininfo::window_started): Ditto.
(wininfo::getitimer): Ditto.
(wininfo::setitimer): Ditto.
(wininfo::wininfo): Ditto.
(wininfo::lock): New method.
(wininfo::release): Ditto.
* window.cc: Use new lock/acquire wininfo methods throughout.
(wininfo::wininfo): Delete
(wininfo::getitimer): Ditto.
(wininfo::setitimer): Ditto.
(getitimer): Ditto.
(setitimer): Ditto.
(ualarm): Ditto.
(alarm): Ditto.
(wininfo::lock): Define new function.
(wininfo::release): Ditto.
(wininfo::process): Delete WM_TIMER handling.
* timer.cc (struct timetracker): Delete it, flags. Add it_interval,
interval_us, sleepto_us, running, init_muto(), syncthread, and gettime().
(ttstart): Make NO_COPY.
(lock_timer_tracker): New class.
(timer_tracker::timer_tracker): Distinguish ttstart case.
(timer_tracker::~timer_tracker): New destructor. Clean out events, and reset
magic.
(timer_tracker::init_muto): New method.
(to_us): Round up as per POSIX.
(timer_thread): Reorganize to match timer_tracker::settime and
timer_tracker::gettime. Call sig_send without wait. Call auto_release.
(timer_tracker::settime): Reorganize logic to avoid race. Call gettime to
recover old value.
(timer_tracker::gettime): New method.
(timer_create): Properly set errno on invalid timerid. Use new
lock_timer_tracker method.
(timer_delete): Ditto. Simplify code slightly.
(timer_gettime): New function.
(fixup_timers_after_fork): Reinit ttstart.
(getitimer): New implementation.
(setitimer): Ditto.
(ualarm): Ditto.
(alarm): Ditto.
* cygwin.din: Export timer_gettime.
* winsup.h: Remove has has_visible_window_station declaration.
* Makefile.in (DLL_OFILES): Add lsearch.o.
* cygthread.h (cygthread::notify_detached): New element.
(cygthread::cygthread): Take optional fourth argument signifying event to
signal on thread completion.
* cygthread.cc (cygthread::stub): Signal notify_detached event, if it exists.
(cygthread::cygthread): Initialize notify_detached from fourth argument.
(cygthread::detach): Wait for notify_detached field is present.
* lsearch.cc: New file.
* search.h: Ditto.
* include/cygwin/version.h: Bump API minor number to 126.
* cygwin.din: Export lsearch, lfind.
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* winsup.h (get_ll): to here
* security.cc (get_token_group_sidlist): Use get_ll to figure out the long long
version of the luid since QuadPart is not part of the standard Windows API.
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comma and elminate most uses of "foo = %s" to "foo %s".
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if/else.
(fhandler_dev_tape::raw_write): Return -1 in case of error.
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starts with a drive.
Also perform whitespace cleanup.
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* fhandler_tape.cc (mt_h): Drop in favor of cygheap based handle.
(mtinfo_init): Use cygheap->mt_h handle. Protect it.
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treatment.
* fhandler_raw.cc (fhandler_dev_raw::open): Simplify write-only case.
* fhandler_tape.cc (fhandler_dev_tape::raw_write): Add accidentally
dropped condition.
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* fhandler.cc (fhandler_base::open): Make tape I/O asynchronous.
* fhandler.h (class fhandler_dev_tape): Add mt_evt member.
* fhandler_tape.cc (mtinfo_drive::initialize): Initialize async_writes.
(mtinfo_drive::close): Handle async writes.
(mtinfo_drive::read): Add mt_evt parameter. Use overlapped I/O.
(mtinfo_drive::async_wait): New function.
(mtinfo_drive::write): Add mt_evt parameter. Use overlapped I/O.
Handle async writes.
(mtinfo_drive::_set_pos): Handle async writes.
(mtinfo_drive::set_partition): Ditto.
(mtinfo_drive::prepare): Ditto.
(mtinfo_drive::get_status): Drop useless "else". Handle async_writes
flag.
(mtinfo_drive::set_options): Handle async_writes flags.
(fhandler_dev_tape::close): Close mt_evt handle.
(fhandler_dev_tape::raw_read): Create mt_evt handle and use in call
to mtinfo_drive::read.
(fhandler_dev_tape::raw_write): Create mt_evt handle and use in call
to mtinfo_drive::write.
* mtinfo.h (MTINFO_VERSION): Bump.
(enum dirty_state): Add async_write_pending state.
(class mtinfo_drive): Add OVERLAPPED struct "ov". Add async_writes
flag.
(mtinfo_drive::async_wait): Add declaration.
(mtinfo_drive::read): Add mt_evt parameter.
(mtinfo_drive::write): Ditto.
* registry.cc (load_registry_hive): Call enable_restore_privilege
instead of set_process_privilege.
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parameter. Use in call to SetTapePosition.
(mtinfo_drive::set_pos): Accomodate _set_pos calls to above change.
(mtinfo_drive::set_partition): Ditto.
* mtinfo.h (mtinfo_drive::_set_pos): Change declaration accordingly.
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bitfield struct type status_flags. Drop unused has_written bit.
Add accessor methods.
(fhandler_dev_raw::clear): Remove.
(fhandler_dev_raw::reset_devbuf): Remove.
* fhandler_floppy.cc (fhandler_dev_floppy::lseek): Use accessor method
for is_writing.
* fhandler_raw.cc: Use status accessor methods throughout.
(fhandler_dev_raw::clear): Remove.
(fhandler_dev_raw::fhandler_dev_raw): Drop clear call.
(fhandler_dev_raw::~fhandler_dev_raw): Ditto.
* fhandler_tape.cc: Use mtinfo::status accessor methods throughout.
(mtinfo_drive::close): Fix conditional to enable BSD semantics
correctly.
(mtinfo_drive::get_status): Rename from mtinfo_drive::status.
* mtinfo.h (class mtinfo_drive): Move status bits into private bitfield
struct type status_flags. Add accessor methods.
Rename status method to get_status.
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GetTapePosition returned a non-zero partition number.
(mtinfo_drive::create_partitions): Reinitialize to partition 0.
Support TAPE_DRIVE_INITIATOR and TAPE_DRIVE_FIXED partitioning.
(mtinfo_drive::set_partition): Initialize new partition.
(mtinfo_drive::status): Readd accidentally dropped setting of mt_resid.
* net.cc (wsock_event::prepare): Always print debug output in case
of error.
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ERROR_EOM_OVERFLOW and ERROR_NO_DATA_DETECTED to EIO. Add mappings
for ERROR_NO_MEDIA_IN_DRIVE, ERROR_DEVICE_REQUIRES_CLEANING and
ERROR_DEVICE_DOOR_OPEN.
* fhandler.h (class fhandler_dev_raw): Drop varblkop member.
(fhandler_dev_raw::is_eom): De-virtualize.
(fhandler_dev_raw::is_eof): Ditto.
(class fhandler_dev_tape): Drop lasterr and dp member. Add mt_mtx
member. Drop all private methods formerly used by ioctl.
(fhandler_dev_tape::is_rewind_device): Use get_minor for clarity.
(fhandler_dev_tape::driveno): New method.
(fhandler_dev_tape::drive_init): New method.
(fhandler_dev_tape::clear): Remove method.
(fhandler_dev_tape::is_eom): Ditto.
(fhandler_dev_tape::is_eof): Ditto.
(fhandler_dev_tape::write_file): Ditto.
(fhandler_dev_tape::read_file): Ditto.
(fhandler_dev_tape::_lock): New method.
(fhandler_dev_tape::unlock): New method.
(fhandler_dev_tape::raw_read): New method.
(fhandler_dev_tape::raw_write): New method.
* fhandler_raw.cc (fhandler_dev_raw::is_eom): New method.
(fhandler_dev_raw::is_eof): New method.
(fhandler_dev_raw::open): Allow setting write through option by
using the O_TEXT flag as ... flag.
(fhandler_dev_raw::writebuf): Remove usage of varblkop and other
tape specific code.
(fhandler_dev_raw::raw_read): Ditto.
(fhandler_dev_raw::dup): Ditto.
* fhandler_tape.cc: Rewrite tape operations entirely. Implement
new tape driver classes mtinfo, mtinfo_drive and mtinfo_part.
Reduce fhandler_dev_tape methods to mostly just calling appropriate
mtinfo_drive methods.
(mtinfo_init): New function adding the mtinfo shared memory area.
* mtinfo.h: New file, containing the definition of the new tape
driver classes.
* shared.cc: Include mtinfo.h.
(offsets): Add entry for mtinfo shared memory area.
(memory_init): Call mtinfo_init.
* shared_info.h (shared_locations): Add SH_MTINFO shared location.
* include/cygwin/mtio.h: Change and add various comments. Add GMT_xxx
macros for new generic flags. Add MT_ST_xxx bitfield definitions
for MTSETDRVBUFFER ioctl.
* include/cygwin/version.h: Bump API minor version number.
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* fhandler.h (fhandler_dev_tape::tape_get_pos): Declare with extra
parameter for partition number.
(fhandler_dev_tape::_tape_set_pos): Ditto.
(fhandler_dev_tape::tape_partition): New method.
(fhandler_dev_tape::tape_set_partition): New method.
* fhandler_tape.cc (fhandler_dev_tape::open): Call private methods
directly instead of ioctl.
(fhandler_dev_tape::ioctl): Use long erase on MTERASE by default.
Don't use absolute positioning on MTSEEK. Call tape_set_partition
on MTSETPART, tape_partition on MTMKPART.
(fhandler_dev_tape::tape_get_pos): Add partition number parameter.
Prefer logical position information over absolute position information.
Return partition number.
(fhandler_dev_tape::_tape_set_pos): Add partition number parameter.
Use in SetTapePosition.
(fhandler_dev_tape::tape_set_pos): Remove special TAPE_ABSOLUTE_BLOCK
handling.
(fhandler_dev_tape::tape_erase): Rewind before erasing.
(fhandler_dev_tape::tape_status): Rearrange slightly. Try to get a
MediaType even if no tape is loaded. Store active partition in
mt_resid as on Linux.
(fhandler_dev_tape::tape_partition): New method.
(fhandler_dev_tape::tape_set_partition): New method.
* include/cygwin/mtio.h: Fix copyright. Add comment to explain
mt_resid content.
* include/cygwin/version.h: Bump API minor number.
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ERROR_SETMARK_DETECTED to EIO instead of ESPIPE.
Handle ERROR_FILEMARK_DETECTED.
* fhandler_tape.cc (TAPE_FUNC): Add comment that ERROR_BUS_RESET
has still to be handled correctly.
(fhandler_dev_tape::open): Accomodate fact that get.mt_dsreg
also contains density code.
(fhandler_dev_tape::ioctl): Rearrange slightly. Reset devbuf also on
MTNOP, MTWSM, MTSETBLK, MTSETDRVBUFFER, MTSETPART and MTMKPART.
(fhandler_dev_tape::tape_set_pos): Rearrange. Match behaviour to
the Linux tape driver.
(fhandler_dev_tape::tape_status): Call IOCTL_STORAGE_GET_MEDIA_TYPES_EX
if available. Return device type and density code in appropriate
mtget members.
* wincap.h (wincaps::has_ioctl_storage_get_media_types_ex): New element.
* wincap.cc: Implement above element throughout.
* include/cygwin/mtio.h: Add tape device types as returned by
IOCTL_STORAGE_GET_MEDIA_TYPES_EX.
(MT_TAPE_INFO): Use above type codes.
(struct mtget): Change mt_dsreg comment.
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* fhandler.h (fhandler_dev_raw::write_file): New method, created
from former static function.
(fhandler_dev_raw::read_file): Ditto.
(reset_devbuf): New inline method.
(class fhandler_dev_tape): Add TAPE_GET_DRIVE_PARAMETERS
member `dp'.
(fhandler_dev_tape::write_file): New method.
(fhandler_dev_tape::read_file): Ditto.
(fhandler_dev_tape::tape_get_feature): Convert to inline method.
(fhandler_dev_tape::tape_error): New method, created from former
static function.
(fhandler_dev_tape::tape_get_blocksize): Remove declaration.
* fhandler_raw.cc (fhandler_dev_raw::write_file): New method, created
from former static function.
(fhandler_dev_raw::read_file): Ditto.
(fhandler_dev_raw::writebuf): Accomodate the fact that no devbuf
exists under variable block size condition.
(fhandler_dev_raw::raw_read): Ditto. Add local p pointer to simplify
pointer arithmetic.
(fhandler_dev_raw::raw_write): Always set devbufend to 0 when starting
with writing. Accomodate the fact that no devbuf exists under
variable block size condition.
* fhandler_tape.cc: Various formatting changes.
(TAPE_FUNC): New macro. Use throughout as tape function loop.
(get_ll): Convert into macro.
(IS_EOM): New macro.
(IS_EOF): New macro.
(fhandler_dev_tape::is_eom): Use IS_EOM macro.
(fhandler_dev_tape::is_eof): Use IS_EOF macro.
(fhandler_dev_tape::write_file): New method.
(fhandler_dev_tape::read_file): New method.
(fhandler_dev_tape::open): Get drive information block here once.
(fhandler_dev_tape::lseek): Remove unneeded duplicate code.
(fhandler_dev_tape::dup): Duplicate drive information block.
(fhandler_dev_tape::ioctl): Remove drvbuf in variable block size mode.
Return ERROR_INVALID_BLOCK_LENGTH instead of ERROR_MORE_DATA if
buffer contains data which would get lost on buffer size changing.
Use absolute tape positioning also if drive only supports logical
block positioning.
(fhandler_dev_tape::tape_error): New method, created from former
static function.
(fhandler_dev_tape::tape_get_pos): Allow logical block reporting.
Workaround tape driver bug.
(fhandler_dev_tape::_tape_set_pos): Reset device buffer and flags
after successful repositioning.
(fhandler_dev_tape::tape_set_pos): Allow logical block positioning.
Workaround tape driver bug.
(fhandler_dev_tape::tape_erase): Use dp instead of calling
GetTapeParameters.
(fhandler_dev_tape::tape_prepare): Ditto.
(fhandler_dev_tape::tape_get_blocksize): Remove.
(fhandler_dev_tape::tape_set_blocksize): Don't call tape_get_blocksize.
Error handling already done in fhandler_dev_tape::ioctl.
(fhandler_dev_tape::tape_status): Remove local `dp' variable.
Accomodate logical tape reporting. Call tape_get_feature instead
of accessing feature words directly.
(fhandler_dev_tape::tape_compression): Use dp instead of calling
GetTapeParameters. Fix resetting datcompression.
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variable block size, read only one block, read directly into user
supplied buffer, return ENOMEM if user supplied buffer is smaller
than size of next block to read. Use read2 instead of bytes_to_read
to count number of bytes read.
* fhandler_tape.cc (fhandler_dev_tape::open): Add debug output.
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* cygtls.h (_threadinfo::lock): Remove wait argument.
(_threadinfo::interrupt_setup): Remove retaddr argument.
* exceptions.cc (_threadinfo::interrupt_setup): Ditto.
(_threadinfo::interrupt_now): Accommodate change to interrupt_setup argument.
(setup_handler): Ditto. Always lock sig stack prior to determining interrupt
method.
* gendef (_sigfe): Correct thinko regarding cmpxchg.
(_sigbe): Ditto.
(_threadinfo::lock): Ditto.
(_threadinfo::pop): Eliminate left-over stack unlock.
* sigproc.cc (proc_subproc): Chnage debugging output to printed warning.
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throughout.
* tty.cc (tty::common_init): Remove call to SetKernelObjectSecurity and edit
some comments.
* cygheap.h (init_cygheap::ctty): Add new element.
* devices.in (device::parse): Remove special handling for /dev/tty.
* devices.cc: Regenerate.
* dtable.cc (build_fh_pc): Don't reset /dev/tty device. Let the device opener
do that.
* fhandler_termios.cc (tty_min::set_ctty): Redefine to _pinfo class.
* fhandler_tty.cc (fhandler_tty_common::set_close_on_exec): Avoid setting
noninherit flag for ctty.
* tty.h: Move BOOLs to bools.
(tty_min::set_ctty): Redeclare to _pinfo class.
* pinfo.cc (_pinfo::set_ctty): Define new function based on tty_min::set_ctty.
Change first argument from tty number to tty_min class.
* pinfo.h (_pinfo::set_ctty): Declare.
* fhandler_console.cc (fhandler_console::get_tty_stuff): Reflect move of
set_ctty to _pinfo class.
* fhandler_tty.cc (fhandler_tty_slave::open): Treat FH_TTY specially. Use
saved cygheap value if it exists. Otherwise convert to real device and save on
first time open.
(fhandler_tty_common::dup): Potentially set controlling tty if duping a slave
tty.
* syscalls.cc (setsid): Close controlling tty in cygheap.
* tty.cc: Change some BOOLs to bools.
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|
* devices.gperf: New file.
* devices.shilka: New file.
* cygwin-gperf: New file.
* cygwin-shilka: New file.
* fhandler_fifo.cc: New file.
* fhandler_nodevice.cc : New file. Reorganize headers so that path.h precedes
fhandler.h throughout. Remove device argument and unit arguments from fhandler
constructors throughout. Remove pc arguments to fhandler functions and use
internal pc element instead, throughout. Use dev element in pc throughout.
Use major/minor elements rather than units and device numbers previously in
fhandler class. Use correct methods for fhandler file names rather than
directly accessing file name variables, throughout.
* Makefile.in (DLL_OFILES): Add devices.o, fhandler_fifo.o
* dcrt0.cc (dll_crt0_1): Call device::init.
* devices.h: Renumber devices based on more Linux-like major/minor numbers.
Add more devices. Declare standard device storage.
(device): Declare struct.
* dir.cc (opendir): Use new 'build_fh_name' to construct a fhandler_* type.
* dtable.cc (dtable::get_debugger_info): Ditto.
(cygwin_attach_handle_to_fd): Ditto.
(dtable::release): Remove special FH_SOCKET case in favor of generic
"need_fixup_before" test.
(dtable::init_std_file_from_handle): Use either build_fh_dev or build_fh_name
to build standard fhandler.
(dtable::build_fh_name): Renamed from dtable::build_fhandler_from_name. Move
out of dtable class. Don't accept a path_conv argument. Just build it here
and pass it to:
(build_fh_pc): Renamed from dtable::build_fhandler. Move out of dtable class.
Use intrinsic device type in path_conv to create new fhandler.
(build_fh_dev): Renamed from dtable::build_fhandler. Move out of dtable class.
Simplify arguments to just take new 'device' type and a name. Just return
pointer to fhandler rather than trying to insert into dtable.
(dtable::dup_worker): Accommodate above build_fh name changes.
(dtable::find_fifo): New (currently broken) function.
(handle_to_fn): Use strechr for efficiency.
* dtable.h: Reflect above build_fh name changes and argument differences.
(fhandler_base *&operator []): Return self rather than copy of self.
* fhandler.cc (fhandler_base::operator =): Use pc element to set normalized
path.
(fhandler_base::set_name): Ditto.
(fhandler_base::raw_read): Use method to access name.
(fhandler_base::write): Correctly use get_output_handle rather than get_handle.
(handler_base::device_access_denied): New function.
(fhandler_base::open): Eliminate pc argument and use pc element of
fhandler_base throughout.
(fhandler_base::fstat): Detect if device is based in filesystem and use
fstat_fs to calculate stat, if so.
(fhandler_base::fhandler_base): Eliminate handling of file names and, instead,
just free appropriate component from pc.
(fhandler_base::opendir): Remove path_conv parameter.
* fhandler.h: Remove all device flags.
(fhandler_base::pc): New element.
(fhandler_base::set_name): Change argument to path_conv.
(fhandler_base::error): New function.
(fhandler_base::exists): New function.
(fhandler_base::pc_binmode): New function.
(fhandler_base::dev): New function.
(fhandler_base::open_fs): New function.
(fhandler_base::fstat_fs): New function.
(fhandler_base::fstat_by_name): New function.
(fhandler_base::fstat_by_handle): New function.
(fhandler_base::isfifo): New function.
(fhandler_base::is_slow): New function.
(fhandler_base::is_auto_device): New function.
(fhandler_base::is_fs_special): New function.
(fhandler_base::device_access_denied): New function.
(fhandler_base::operator DWORD&): New operator.
(fhandler_base::get_name): Return normalized path from pc.
(fhandler_base::get_win32_name): Return windows path from pc.
(fhandler_base::isdevice): Renamed from is_device.
(fhandler_base::get_native_name): Return device format.
(fhandler_fifo): New class.
(fhandler_nodevice): New class.
(select_stuff::device_specific): Remove array.
(select_stuff::device_specific_pipe): New class element.
(select_stuff::device_specific_socket): New class element.
(select_stuff::device_specific_serial): New class element.
(select_stuff::select_stuff): Initialize new elements.
* fhandler_disk_file.cc (fhandler_base::fstat_by_handle): Move to base class
from fhandler_disk_file.
(fhandler_base::fstat_by_name): Ditto.
(fhandler_base::fstat_by_name): Ditto.
(fhandler_disk_file::open): Move most functionality into
fhandler_base::open_fs.
(fhandler_base::open_fs): New function.
(fhandler_disk_file::close): Move most functionality into
fhandler_base::close_fs.
(fhandler_base::close_fs): New function.
* fhandler_mem.cc (fhandler_dev_mem::open): Use device name in debugging
output.
* fhandler_socket.cc (fhandler_socket::set_connect_secret): Copy standard
urandom device into appropriate place.
(fhandler_socket::accept): Reflect change in fdsock return value.
* fhandler_tty.cc: See "throughouts" above.
* net.cc: Accommodate fdsock change throughout.
(fdsock): Return success or failure, accept fd argument and device argument.
* path.cc (symlink_info::major): New element.
(symlink_info::minor): New element.
(symlink_info::parse_device): Declare new function.
(fs_info::update): Accommodate changes in path_conv class.
(path_conv::fillin): Ditto.
(path_conv::return_and_clear_normalized_path): Eliminate.
(path_conv::set_normalized_path): New function.
(path_conv::path_conv): Set info in dev element. Use path_conv methods Check
for FH_FS rather than FH_BAD to indicate when to fill in filesystem stuff.
where appropriate rather than direct access. Use set_normalized_path to set
normalized path.
(windows_device_names): Eliminate.
(get_dev): Ditto.
(get_raw_device_number): Ditto.
(get_device_number): Ditto.
(win32_device_name): Call new device name parser to do most of the heavy
lifting.
(mount_info::conv_to_win32_path): Fill in dev field as appropriate.
(symlink_worker): Handle new device files.
(symlink_info::check): Ditto.
(symlink_info::parse_device): Define new function.
* path.h (executable_states): Move here from fhandler.h.
(fs_info): Rename variables to *_storage and create methods for accessing same.
(path_conv): Add dev element, remove devn and unit and adjust inline methods to
accommodate.
(set_normalized_path): Declare new function.
* pinfo.cc (_pinfo::commune_recv): Add broken support for handling fifos.
(_pinfo::commune_send): Ditto.
* pipe.cc (fhandler_pipe::close): check for existence of handle before closing
it.
(handler_pipe::create): Rename from make_pipe. Change arguments to accept
fhandler_pipe array. Accommodate fifos.
(pipe): Rework to deal with fhandler_pipe::create changes.
(_pipe): Ditto.
* select.cc: Use individual device_specific types throughout rather than
indexing with obsolete device number.
(set_bits): Use is_socket call rather than checking device number.
* shared_info.h (CURR_MOUNT_MAGIC): Update.
(conv_to_win32_path): Reflect addition of device argument.
* syscalls.cc (mknod_worker): New function.
(open): Use build_fh_name to build fhandler.
(chown_worker): Detect if this is an 'auto' device rather than an on-filesystem
device and handle appropriately.
(chmod_device): New function.
(chmod): Detect if this is an 'auto' device rather than an on-filesystem device
and handle appropriately. Use chmod_device to set mode of in-filesystem
devices.
(stat_worker): Eliminate path_conv argument. Call build_fh_name to construct
fhandler. Use fh->error() rather than pc->error to detect errors in fhandler
construction.
(access_worker): New function pulled from access. Accommodate in-filesystem
devices.
(access): Use access_worker.
(fpathconf): Detect if this is an 'auto' device rather than an on-filesystem
device and handle appropriately.
(mknod_worker): New function.
(mknod32): New function.
(chroot): Free normalized path -- assuming it was actually cmalloced.
* tty.cc (create_tty_master): Tweak for new device class.
(tty::common_init): Ditto.
* winsup.h (stat_worker): Remove.
(symlink_worker): Declare.
* exceptions.cc (set_process_mask): Just call sig_dispatch_pending and don't
worry about pending_signals since sig_dispatch_pending should always do the
right thing now.
(sig_handle): Reorganize SIGCONT handling to more closely conform to SUSv3.
* pinfo.h: Move __SIG enum to sigproc.h.
(PICOM_FIFO): New enum element.
(_pinfo): Remove 'thread2signal' stuff throughout class.
(_pinfo::commune_send): Make varargs.
(_pinfo::sigtodo): Eliminate.
(_pinfo::thread2signal): Ditto.
* signal.cc (kill_worker): Eliminate call to setthread2signal.
* sigproc.cc (local_sigtodo): Eliminate.
(getlocal_sigtodo): Ditto.
(sigelem): New class.
(pending_signals): New class.
(sigqueue): New variable, start of sigqueue linked list.
(sigcatch_nonmain): Eliminate.
(sigcatch_main): Eliminate.
(sigcatch_nosync): Eliminate.
(sigcomplete_nonmain): Eliminate.
(pending_signals): Eliminate.
(sig_clear): Call signal thread to clear pending signals, unless already in
signal thread.
(sigpending): Call signal thread to get pending signals.
(sig_dispatch_pending): Eliminate use of pending_signals and just check
sigqueue.
(sigproc_terminate): Eliminate all of the obsolete semaphore stuff. Close
signal pipe handle.
(sig_send): Eliminate all of the obsolete semaphore stuff and use pipe to send
signals.
(getevent): Eliminate.
(pending_signals::add): New function.
(pending_signals::del): New function.
(pending_signals::next): New function.
(wait_sig): Eliminate all of the obsolete semaphore stuff. Use pipe to
communicate and maintain a linked list of signals.
* sigproc.h: Move __SIG defines here. Add __SIGPENDING.
(sig_dispatch_pending): Remove "C" specifier.
(sig_handle): Accept a mask argument.
* thread.cc: Remove signal handling considerations throughout.
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cygerrno.h.
* include/cygwin/config.h (__DYNAMIC_REENT__): Define.
* include/cygwin/version.h: Bump API minor version.
* cygwin.din: Export __getreent
* cygerrno.h: Include errno.h. Fix places where _impure_ptr is used directly
to store the errno value.
* debug.cc (__set_errno): Ditto.
* errno.cc: Remove _RRENT_ONLY define to get errno.cc compiled.
* signal.cc: Rename _reent_clib to _REENT throughout.
* thread.h (reent_clib): Remove prototype.
* thread.cc (reent_clib): Rename reent_clib to __getreent. Return _impure_ptr
until MTinterface is initialized.
(reent_winsup): Fix a possible SEGV when _r == NULL. Return NULL instead.
* MTinterface::fixup_after_fork: Switch reent back to _impure_ptr to keep
signal handling running when fork is called from a thread other than the
mainthread.
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throughout.
* fhandler.cc: Ditto.
* fhandler.h: Ditto.
* fhandler_clipboard.cc: Ditto.
* fhandler_disk_file.cc: Ditto.
* fhandler_dsp.cc: Ditto.
* fhandler_floppy.cc: Ditto.
* fhandler_mem.cc: Ditto.
* fhandler_proc.cc: Ditto.
* fhandler_process.cc: Ditto.
* fhandler_random.cc: Ditto.
* fhandler_registry.cc: Ditto.
* fhandler_tape.cc: Ditto.
* fhandler_termios.cc: Ditto.
* fhandler_virtual.cc: Ditto.
* fhandler_zero.cc: Ditto.
* mmap.cc: Ditto.
* pipe.cc: Ditto.
* syscalls.cc: Ditto.
* winsup.h: Ditto.
* include/cygwin/stat.h: Ditto.
* include/cygwin/types.h: Ditto. Remove definition of __off32_t
and __off64_t.
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already taken care of that.
* fhandler_console.cc (fhandler_console::open): Initialize handles to NULL.
(fhandler_console::close): Ditto. GNUify non-GNU formatted functions calls
throughout.
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* fhandler.h: Move fcntl.h include here.
(fhandler_base::set_flags): Accept supplied_bin argument. Make non-inlined.
* dtable.cc (dtable::init_std_file_from_handle): Just use binmode from pc.
(reset_to_open_binmode): Use set_flags.
* cygwin.din (open): Avoid newlib wrapper.
(read): Ditto.
(unlink): Ditto.
(write): Ditto.
* fhandler.cc (fhandler_base::set_flags): Accept supplied_bin argument. Make
binmode decisions here.
(fhandler_base::open): Avoid using pc if it is NULL. Eliminate binmode logic.
Just call set_flags with binmode argument.
(fhandler_base::init): Call set_flags with binmode argument.
* fhandler_clipboard.cc (fhandler_dev_clipboard::open): Ditto.
* fhandler_console.cc (fhandler_console::open): Ditto.
(fhandler_console::init): Force binary on open.
* fhandler_disk_file.cc (fhandler_disk_file::open): Don't set binmode here.
Let it happen in base class.
* fhandler_dsp.cc (fhandler_dev_dsp::open): Force binmode open. Set return
value appropriately if unable to open.
* fhandler_proc.cc (fhandler_proc::open): Make sure flags are set before
open_status.
* fhandler_process.cc (fhandler_process::open): Ditto.
* fhandler_registry.cc (fhandler_registry::open): Ditto.
* fhandler_random.cc (fhandler_dev_random::fhandler_dev_random): Ditto.
* fhandler_raw.cc (fhandler_dev_raw::open): Force O_BINARY by default.
* fhandler_serial.cc (fhandler_serial::init): Ditto.
* fhandler_tty.cc (fhandler_tty_slave::open): Ditto.
(fhandler_pty_master::open): Ditto.
* fhandler_virtual.cc (fhandler_virtual::open): Ditto.
* fhandler_windows.cc (fhandler_windows::open): Ditto.
* fhandler_zero.cc (fhandler_dev_zero::open): Ditto.
* net.cc (fdsock): Ditto.
* path.cc (path_conv::check): Avoid checking for extension when error or
directory.
(set_flags): Set PATH_TEXT explicitly, when appropriate.
(mount_info::conv_to_win32_path): Use set_flags() to set path flags.
* path.h (PATH_TEXT): New enum.
(path_conv::binmode): Return appropriate constant based on binmode.
* pipe.cc (make_pipe): Set binmode to O_TEXT xor O_BINARY.
* syscalls.cc (setmode_helper): Make debugging message a little clearer.
(setmode): Set binmode via set_flags.
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* syscalls.cc (stat_worker): Calculate dev and ino calculation here, if zero.
* fhandler_proc.cc (fhandler_proc::fhandler_proc): Minor reorg for debugging.
* fhandler_process.cc (fhandler_process::exists): Return 0 on nonexistence.
(fhandler_process::fstat): Simplify pid logic.
* fhandler_tape.cc (fhandler_dev_tape::fstat): Minor reformatting.
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(ftruncate64): Ditto.
(lseek64): Ditto.
(lstat64): Ditto.
(mmap64): Ditto.
(seekdir64): Ditto.
(stat64): Ditto.
(telldir64): Ditto.
(truncate64): Ditto.
* dir.cc (telldir64): New function.
(telldir): Call telldir64().
(seekdir64): New function.
(seekdir): Call seekdir64().
* fhandler.h: Redefine all methods using __off32_t to use __off64_t.
* fhandler.cc: Use __off64_t and struct __stat64 throughout.
* fhandler_clipboard.cc: Ditto.
* fhandler_disk_file.cc: Ditto.
* fhandler_dsp.cc: Ditto.
* fhandler_floppy.cc: Ditto.
* fhandler_mem.cc: Ditto.
* fhandler_random.cc: Ditto.
* fhandler_socket.cc: Ditto.
* fhandler_tape.cc: Ditto.
* fhandler_zero.cc: Ditto.
* pipe.cc: Ditto.
* glob.c: Ditto, call lstat64 and stat64 in Cygwin.
* mmap.cc: Use __off64_t throughout.
(mmap64): New function.
* sec_acl.cc (acl_worker): Use struct __stat64, call stat64 and lstat64.
* syscalls.cc (lseek64): New function.
(stat64_to_stat32): Ditto.
(fstat64): Ditto.
(stat64): Ditto.
(lstat64): Ditto.
(ftruncate64): Ditto.
(truncate64): Ditto.
(_fstat): Call fstat64.
(_stat): Call stat64.
(cygwin_lstat): Rename to avoid declaration problem. Call lstat64.
(stat_worker): Use struct __stat64.
(access): Ditto.
(ftruncate): Call ftruncate64.
(truncate): Call truncate64.
* wincap.cc: Set flag has_64bit_file_access appropriately.
* wincap.h: Add flag has_64bit_file_access.
* winsup.h (ILLEGAL_SEEK): Define as __off64_t.
(stat_dev): Declare using struct __stat64.
(stat_worker): Ditto.
* include/cygwin/stat.h (struct __stat32): Define if compiling Cygwin.
(struct __stat64): Ditto.
(struct stat): Revert definition with explicitly sized datatypes.
Eliminate sized field names.
* include/cygwin/types.h (blksize_t): New type.
(__blkcnt32_t): Ditto.
(__blkcnt64_t): Ditto.
(blkcnt_t): Ditto.
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fhandler_floppy.cc, fhandler_mem.cc, fhandler_random.cc,
fhandler_tape.cc, fhandler_zero.cc, grp.cc, mmap.cc, passwd.cc,
pinfo.cc, pinfo.h, pipe.cc, sec_acl.cc, sec_helper.cc, security.cc,
security.h, thread.h, uinfo.cc, include/cygwin/acl.h: Fix copyright.
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fhandler_clipboard.cc, fhandler_disk_file.cc, fhandler_dsp.cc,
fhandler_floppy.cc, fhandler_mem.cc, fhandler_random.cc,
fhandler_tape.cc, fhandler_zero.cc, grp.cc, mmap.cc, passwd.cc,
pinfo.cc, pinfo.h, pipe.cc, sec_acl.cc, sec_helper.cc, security.cc,
security.h, spawn.cc, syscalls.cc, thread.h, uinfo.cc, winsup.h):
Change usage of uid_t to __uid16_t, gid_t to __gid16_t and
off_t to __off32_t throughout. Use INVALID_UID, INVALID_GID and
INVALID_SEEK instead casting -1 to the appropriate type.
* winsup.h: Define INVALID_UID, INVALID_GID and INVALID_SEEK.
* include/cygwin/acl.h: Define internal __aclent16_t and __aclent32_t
types. Don't declare acl functions when compiling Cygwin.
* include/cygwin/grp.h: Declare getgrgid() and getgrnam() with
correct types for internal usage.
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* fhandler_tape.cc (fhandler_dev_tape::fhandler_dev_tape): Add debug
output.
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* dtable.cc (dtable::build_fhandler): Remove debugging output which uses 'cb'.
* exec.cc (execvp): New function.
(execvpe): Ditto.
* fhandler.cc (fhandler_base::fhandler_base): Use constructor initialization.
* fhandler.h (fhandler_tty_common::fhandler_tty_common): Ditto.
* fhandler_clipboard.cc (fhandler_dev_clipboard::fhandler_dev_clipboard):
Ditto.
* fhandler_console.cc (fhandler_console::fhandler_console): Ditto.
* fhandler_raw.cc (fhandler_dev_raw::fhandler_dev_raw): Ditto.
* fhandler_serial.cc (fhandler_serial::fhandler_serial): Ditto.
* fhandler_tty.cc (fhandler_tty_master::fhandler_tty_master): Ditto.
(fhandler_tty_slave::fhandler_tty_slave): Ditto.
(fhandler_pty_master::fhandler_pty_master): Ditto.
* fhandler_windows.cc (fhandler_windows::fhandler_windows): Ditto.
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code since no Win32 device names are used anymore.
* fhandler_tape.cc (fhandler_dev_tape::tape_set_blocksize): Allow
0 as blocksize to indicate variable blocksize.
* path.cc (win32_device_name): Generate NT internal device names
using upper/lower case names for readability.
Generate \DosDevices\<letter>: device name for mount table
compatibility devices.
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EOTWarningZoneSize in get->mt_eotwarningzonesize.
* include/cygwin/mtio.h: Define DEFTAPE.
(struct mtget): Add member `mt_eotwarningzonesize'. Add a comment.
* include/cygwin/version.h: Bump API minor version to 47.
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* fhandler.h (fhandler_dev_raw::get_unit): New method.
(fhandler_dev_tape::norewind): Eliminate.
(fhandler_dev_tape::is_rewind_device): New method.
* fhandler_raw.cc (fhandler_dev_raw::open): Open new
fixed device name devices using NT internal method.
Keep calling fhandler_base::open() for old mount table
device mapping compatibility devices.
(fhandler_dev_raw::fstat): Eliminate. Settings are done
by fhandler_base::fstat() already.
* fhandler_tape.cc: Remove `norewind' usage throughout.
* ntdll.h: Define FILE_SYNCHRONOUS_IO_NONALERT.
Define struct _IO_STATUS_BLOCK.
Declare NtOpenFile().
* path.cc (get_raw_device_number): Add new approach for
using fixed device names.
(win32_device_name): Ditto.
(get_device_number): Ditto. Require POSIX path to begin
with "/dev/".
(mount_info::conv_to_win32_path): Call win32_device_name()
instead of get_device_number() after evaluating mount points
to allow changing the win32 destination path again.
* security.cc (str2buf2uni): Remove `static' to be able to
call function from fhandler_dev_raw::open().
* wincap.cc: Set flag has_raw_devices appropriately.
* wincap.h: Add flag has_raw_devices.
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SNDCTL_DSP_GETBLKSIZE operation. Remove obsolete 'name' arg from fhandler_*
constructors throughout.
* winsup.h (winsock_active): New macro.
(winsock2_active): Ditto.
* autoload.cc (wsock_init): Use new macros to decide if winsock or winsock2 is
loaded.
(nonexist_wsock32): Dummy function to force winsock load.
(nonexist_ws2_32): Dummy function to force winsock2 load.
* fhandler.h (fhandler_socket::fstat): Declare new method. Currently unused.
* fhandler_socket.cc (fhandler_socket::fixup_before_fork_exec): Check that
winsock2 is active before trying WSADuplicateSocketA.
(fhandler_socket::fixup_after_fork): Add extra check for winsock2_active.
Otherwise use iffy procedures for Windows 95.
(fhandler_socket::fixup_after_exec): Add debugging.
(fhandler_socket::dup): Add debugging.
(fhandler_socket::fstat): New method.
(fhandler_socket::set_close_on_exec): Attempt to perform iffy stuff on Windows
95.
* errno.cc (_sys_nerr): Work around compiler strangeness.
* pinfo.cc (winpids::add): Add extra element at end of allocated array for
setting to NULL.
(winpids::enumNT): Ditto.
(winpids::init): Don't modify pidlist if it hasn't been allocated
(possibly due to malloc problem).
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* fhandler.h: Change read and fstat to regparm/stdcall throughout.
(fhandler_base::fstat): Just declare. Don't define.
(fhandler_disk_file::fstat_helper): Declare.
* fhandler.cc (fhandler_base::fstat): Move here from fhandler.h, adapt from
former stat_dev().
(fhandler_disk_file::fstat): Move most of the disk-file-specific logic from
stat_worker to here. Use fstat_helper to derive final fstat output.
(fhandler_disk_file::fstat_helper): New method, renamed from former fstat
method.
(num_entries): Moved here from syscalls.cc.
* fhandler_mem.cc (fhandler_dev_mem::fstat): Use base class to initialize most
stuff. Invert has_physical_mem_access test for establishing permissions.
* fhandler_raw.cc (fhandler_dev_raw::fstat): Eliminate unneed test and memory
clearing. Use base class to initialize most stuff.
* syscalls.cc (stat_dev): Eliminate.
(stat_worker): Simply call fstat method to generate fstat output. Move all
device specific code to appropriate fstats.
* dir.cc (opendir): Pass correct arg to stat_worker to allow following
symlinks.
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