handling whenever a '\' is detected.
* signal.cc (sigaction): Make strace output more informative.
* sigproc.cc (pending_signals::add): Just index directly into signal array
rather than treating the array as a heap.
(pending_signals::del): Ditto.
(wait_sig): Don't send signal if we already have a similar signal queued.
* sigproc.h (call_signal_handler_now): Remove obsolete declaration.
* fhandler.h (class fhandler_dev_dsp): Add class Audio, class Audio_in
and class Audio_out members and audio_in_, audio_out_ pointers so
that future changes are restricted to file fhandler_dsp.cc.
* fhandler_dsp.cc (fhandler_dev_dsp::Audio): Add this class to treat
things common to audio recording and playback.
Add more format conversions.
(fhandler_dev_dsp::Audio::queue): New queues for buffer management
to fix incomplete cleanup of buffers passed to the wave device.
(fhandler_dev_dsp::Audio_in): New, added class to implement audio
recording.
(fhandler_dev_dsp::Audio_out): Rework to use functionality provided
by fhandler_dev_dsp::Audio. Allocate memory audio buffers late,
just before write.
(fhandler_dev_dsp::Audio_out::start): Size of wave buffer allocated
here depends on audio rate/bits/channels.
(fhandler_dev_dsp::Audio_in::start): Ditto.
(fhandler_dev_dsp::setupwav): Replaced by following function.
(fhandler_dev_dsp::Audio_out::parsewav): Does not setup wave device
any more. Discard wave header properly.
(fhandler_dev_dsp::open): Add O_RDONLY and_RDWR as legal modes.
Protect against re-open. Activate fork_fixup.
(fhandler_dev_dsp::ioctl): Protect against actions when audio is
active. SNDCTL_DSP_GETFMTS only returns formats supported by
mmsystem wave API, not all supported formats. SNDCTL_DSP_GETBLKSIZE
result now depends on current audio format.
(fhandler_dev_dsp::fixup_after_fork): Call fork_fixup for the Audio
classes to let them duplicate the CRITICAL_SECTION.
output.
(cygheap_fixup_in_child): Set alloc_sz to passed in size to ensure that
children will have the right size heap.
(_csbrk): Make output conditional on DEBUGGING.
(child_info::cygheap_alloc_sz): New field.
* cygheap.cc (init_cheap): Reduce size of cygwin stack until minimal hit when
attempting initial allocation.
(cygheap_setup_for_child): Use alloc_sz to create secondary memory mapped
entry. Store alloc_sz in cygheap_alloc_sz.
(cygheap_fixup_in_child): Use cygheap_alloc_sz to map parent's cygheap.
* cygheap.h (_CYGHEAPSIZE_SLOP): New define.
(CYGHEAPSIZE): Use _CYGHEAPSIZE_SLOP.
real swap file usage by requesting SystemPagefileInformation. Use
GlobalMemoryStatus as fallback.
* ntdll.h (_SYSTEM_INFORMATION_CLASS): Add SystemPagefileInformation.
(struct _SYSTEM_PAGEFILE_INFORMATION): Define.
* include/shellapi.h (NIM_* NIS_*): Define constants for
notification icons with _WIN32_IE >= 0x0500.
(NOTIFYICONDATA): Add new structure members for notification
icons with _WIN32_IE >= 0x0500.
* 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.
get the cygtls table lock.
* cygtls.h (_cygtls::remove_wq): Add wait argument.
* sigproc.cc (_cygtls::remove_wq): Honor wait argument when acquiring lock.
(proc_terminate): Don't NULL sync_proc_subproc since other threads may still
try to access it.
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.
* 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.
(_cygtls::wq): Declare.
* cygtls.cc (_cygtls::fixup_after_fork): Clear wq.thread_ev to avoid using an
invalid event handle in forked process.
* dcrt0.cc (waitq_storage): Delete.
(threadstuff): Remove waitq_storage.
* perthread.h (per_thread_waitq): Delete.
(waitq_storage): Delete declaration.
* sigproc.cc (sigproc_init): Remove perthread waitq consideration.
* sigproc.h (waitq): Delete declaration.
* wait.cc (wait4): Use _my_tls waitq structure rather than per_thread.
* cygtls.h (_cygtls::newmask): Delete member.
(_cygtls::deltamask): New member.
* gendef (_sigdelayed): Replace the call to set_process_mask by a call to
set_process_mask_delta.
* exceptions.cc (handle_sigsuspend): Do not filter tempmask. Or
SIG_NONMASKABLE in deltamask as a flag.
(_cygtls::interrupt_setup): Set deltamask only.
(set_process_mask_delta): New function.
(_cygtls::call_signal_handler): Replace the first call to set_process_mask by a
call to set_process_mask_delta.
* tlsoffsets.h: Regenerate.
* exceptions.cc: Remove some __I386__ conditionals.
(handle_exceptions): Move ppid test to outside of a loop for efficiency.
(setup_handler): Make debugging output more wordy.
(_cygtls::call_signal_handler): To avoid a race, use lock/unlock to synchronize
with signal thread and ensure that signal_arrived event has actually been set.
* gendef (_sigfe): Use ebx for all sigstack manipulations to ensure that the
register is saved. Move setting of incyg to within stack lock to avoid
setup_handler confusion.
(_sigbe): Use ebx for all sigstack manipulations to ensure that the register is
saved.
(_cygtls::pop): Ditto.
(_cygtls::lock): Ditto.
(stabilize_sig_stack): Ditto.
(setjmp): Ditto.
(longjmp): Ditto.
Danny Smith
Christopher Faylor
Dimitri Papadopoulos
Corinna Vinschen
Pierre Humblet
Joshua Daniel Franklin