* dcrt0.cc (dll_crt0_0): Remove hexec_proc stuff.
* fork.cc (fork_child): Remove call to pinfo_fixup_after_fork.
* pinfo.cc (set_myself): Close and zero pid_handle if set.
(pinfo_fixup_after_fork): Delete.
(proc_waiter): Don't close vchild.hProcess here. Do that when we are remove
the vchild from procs. Save hProcess as pid_handle only on first reparent
operation.
(pinfo::wait): Don't set pid_handle here.
(pinfo::alert_parent): Always try to send signal. If unsuccessful then close
and zero wr_proc_pipe.
* pinfo.h (pinfo::pinfo): Make sure that appropriate parts of the class are
zeroed on construction.
(pinfo::alert_parent): Take char argument.
(pinfo_fixup_after_fork): Delete declaration.
(hexec_proc): Ditto.
* sigproc.cc (remove_proc): Close pid_handle and hProcess if appropriate.
* spawn.cc (spawn_guts): Set cygheap->pid_handle on first exec.
* cygheap.h (init_cygheap::pid_handle): New element.
* pinfo.cc (set_myself): Clear previously existing cygheap->pid_handle when a
new process has been started.
(pinfo::wait): Make sure that a handle to the newly forked/spawned process is
kept around so that the pid will not be reused.
* pinfo.h (_pinfo::pid_handle): Move.
(pinfo::pid_handle): to here.
* spawn.cc (spawn_guts): Create a pid_handle in cygheap prior to spawning to
ensure that the pid does not get reused during the lifetime of the "cygwin
pid".
* pinfo.h (pinfo::alert_parent): New function.
* exceptions.cc (sig_handle_tty_stop): Use alert_parent to send "signals" to
parent.
* fork.cc (fork_parent): Don't close pi.hProcess. Let the waiter thread do
that.
* pinfo.cc (proc_waiter): Detect case where process exits without setting the
exit code and use value from GetExitCodeProcess. Reluctantly implement
__SIGREPARENT.
(pinfo::alert_parent): Define.
* sigproc.h (__SIGREPARENT): New enum.
* spawn.cc (spawn_guts): Send reparent signal to parent on exec. Always create
process in suspended state to avoid races. Remove cygthread.h in favor of
cygtls.h throughout since cygtls now includes cygthread.h. Eliminate
ppid_handle usage throughout.
* child_info.h: Regenerate magic number
(child_info): Remove pppid_handle.
* cygthread.h (cygthread::release): New method. Frees thread without waiting.
* cygthread.cc (cygthread::stub): Set _ctinfo in _mytls to point to information
for executing thread. Don't call SetEvent if thread is no longer in use.
(cygthread::simplestub): Ditto.
* cygtls.h (_cygtls::_ctinfo): New element contains pointer to information
about executing cygthread, if any.
* dcrt0.cc: Remove last vestiges of per_thread stuff.
(dll_crt0_0): Ditto. Remove accommodation for ppid_handle.
(do_exit): Remove obsolete reparenting test.
(_exit): Exit with a more SUSv3-like exit value.
* dtable.cc (dtable::stdio_init): Check for myself->cygstarted rather than
myself->ppid_handle to see if we were started by a cygwin process.
* exceptions.cc (open_stackdumpfile): Ditto.
(handle_exceptions): Ditto.
(ctrl_c_handler): Ditto.
(sig_handle_tty_stop): Ditto. Let parent send signal to itself on STOP.
(sigpacket::process): Comment out vfork test.
(signal_exit): Use more SUSv3-like exit value on signal.
* external.cc (fillout_pinfo): Don't set hProcess.
* fork.cc: Remove VFORK cruft.
(per_thread::set): Delete.
(fork_child): Remove perthread stuff.
(fork_parent): Remove obsolete subproc_init. Accommodate new method for
tracking subprocesses.
* pinfo.cc (set_myself): Accommodate new pinfo/_pinfo layout. Set some things
here that used to be set in wait_sig.
(_pinfo::exit): Set exitcode here. Close process pipe.
(_pinfo::commune_send): Accommodeate new pinfo/_pinfo layout.
(proc_waiter): New function. Waits, in a thread for subprocess to go away.
(pinfo::wait): New function. Initialization for proc_waiter.
* pinfo.h (_pinfo::exitcode): New element.
(_pinfo::cygstarted): Ditto.
(_pinfo::wr_proc_pipe): Ditto.
(_pinfo::ppid_handle): Delete.
(_pinfo::hProcess): Delete.
(_pinfo::lock): Delete.
(pinfo::hProcess): New element.
(pinfo::lock): Ditto.
(pinfo::wait): Declare new function.
(pinfo::preserve): Define new function.
* sigproc.cc: Remove old stuff from wait_subproc thread based method.
(zombies): Remove.
(procs): New.
(my_parent_is_alive): Just check that the parent pid exists.
(mychild): Just use pinfo methods to determine if child is mine.
(proc_subproc): Revamp PROC_ADDCHILD to use pinfo::wait. Remove
PROC_CHILDTERMINATED logic. Use different method to remove processes from list
when SIGCHLD == SIG_IGN.
(proc_terminate): Gut.
(subproc_init): Delete.
(init_child_info): Remove setting of pppid_handle.
(checkstate): Revamp to only scan procs array.
(remove_proc): Rename from remove_zombie. Don't close hProcess or pid_handle.
Don't release memory if it's myself.
(stopped_or_terminated): Change logic to handle new consolidated proc/zombie
array.
(wait_subproc): Delete.
* sigproc.h: Remove obsolete EXIT_* defines.
(subproc_init): Remove declaration.
* spawn.cc (spawn_guts): Remove reparenting stuff. Use standard wait logic to
wait for child if started from a non-cygwin process.
* tlsoffsets.h: Regenerate.
* tty.cc (tty_init): Check for myself->cygstarted rather than
myself->ppid_handle to see if we were started by a cygwin process.
* include/sys/signal.h (external_pinfo::exitcode): Replace hProcess.
* include/sys/wait.h (WCOREDUMP): Define.
* fhandler_tty.cc (fhandler_tty_slave::read): Add debugging output for timeout
case.
* signal.cc (abort): Flag that we are exiting with the ABORT signal.
* cygheap.h (cygheap_user::get_windows_id): New method.
* registry.h (get_registry_hive_path): Change argument type.
(load_registry_hive): Ditto.
* registry.cc (get_registry_hive_path): Change argument type and take
Win9x keys into account.
(load_registry_hive): Ditto.
* uinfo.cc (cygheap_user::env_userprofile): Use get_windows_id, even
for SYSTEM.
* shared.cc (user_shared_initialize): Use get_windows_id.
* syscalls.cc (seteuid32): Load the registry hive and reload the user
shared also on Win9x.
* kill.cc (forcekill): Do not pass negative pids to
cygwin_internal. Check if sig == 0. Improve error messages.
(main): Make pid a long long and distinguish between pids, gpids
(i.e. negative pids) and Win9x pids.
should not be used by the child.
* select.cc (start_thread_socket): Turn off inheritance for exitsock. Don't
add exitsock to exception mask since it should never get an exception.
(socket_cleanup): Change some debug messages for consistency.
* fhandler_socket.cc (fhandler_socket::dup): Change comment wording slightly.
(exitsock_sin): Ditto.
* cygtls.cc (_cygtls::init_thread): Initialize exitsock to invalid handle.
(_cygtls::call2): Close exitsock if it is valid.
* select.cc (struct socketinf): Remove sin element.
(start_thread_socket): Initialize one SOCK_DGRAM socket per thread instead of
(apparently) expensive opening and closing of socket with each select call.
(socket_cleanup): Send a byte to the exitsock socket as a way to potentially
signal a waiting-for-socket thread to exit.
* tlsoffsets.h: Regenerate.
atanh, atanhf, atanhl): Add prototypes.
* mingwex/Makefile.in (MATH_OBJS): Add objects for above to list.
(MATH_DISTFILES): Add sources for above and fastmath.h to list.
Specify dependency on fastmath.h for new objects.
* mingwex/math/fastmath.h: New file.
* mingwex/math/ashinh.c: New file.
* mingwex/math/asinhf.c: New file.
* mingwex/math/asinhl.c: New file.
* mingwex/math/acosh.c: New file.
* mingwex/math/acoshf.c: New file.
* mingwex/math/acoshl.c: New file.
* mingwex/math/atanh.c: New file.
* mingwex/math/atanhf.c: New file.
* mingwex/math/atanhl.c: New file.
2004-08-24. It should be unnecessary now.
* msg.cc (client_request_msg::serve): Release process critical
section as early as possible.
* sem.cc (client_request_sem::serve): Ditto.
* shm.cc (client_request_shm::serve): Ditto.
* process.cc: Use hold and release method calls instead of
EnterCriticalSection/LeaveCriticalSection calls throughout.
* process.h (_hold): Rename from hold. Take filename and linenumber
parameter for logging. Define matching hold macro.
(release): Ditto.
1.68: Reduce the overhead of semop() by using the kernel stack
instead of malloc'd memory to store the operations array if it
is small enough to fit.
1.69: Adjust the number of processes waiting on a semaphore properly
if we're woken up in the middle of sleeping.
* path.cc (normalize_win32_path): Only look for : in second position.
Avoid infinite loop with names starting in double dots.
(mount_info::conv_to_win32_path): Do not worry about a trailing dot.
(hash_path_name): Ditto.
starting.
* child_info.h (init_child_info): Remove pid argument from declaration.
* cygheap.h (init_cygheap::pid): New element.
* dcrt0.cc (dll_crt0_0): Eliminate handling of now-noexistent cygpid parameter
in child_info struct. Set forkee to 'true' rather than cygpid since the pid
value was never used.
(dll_crt0_1): Ditto.
(_dll_crt0): Ditto.
* fork.cc (fork_child): Don't wait for sigthread. This is handled in the fork
call now.
(fork_parent): Remove obsolete pid argument from init_child_info call. Don't
do anything special with cygpid when DEBUGGING.
(fork): Delay all signals during fork.
(fork_init): Don't do anything special when DEBUGGING.
* pinfo.cc (set_myself): Remove pid parameter. Use new pid field in cygheap.
(pinfo_init): Don't pass pid argument to set_myself.
* sigproc.cc (sig_send): Wait for dwProcessId to be non-zero as well as
sendsig.
(init_child_info): Eliminate handling of pid.
(wait_sig): Implement method to temporarily hold off sending signals.
* sigproc.h (__SIGHOLD): New enum.
(__SIGNOHOLD): Ditto.
* spawn.cc (spawn_guts): Remove obsolete pid argument from init_child_info
call.
* cygheap.h (cwdstuff::drive_length): New member.
(cwdstuff::get_drive): New method.
* path.cc (normalize_win32_path): Simplify by using cwdstuff::get_drive.
(mount_info::conv_to_win32_path): Use cwdstuff::get_drive as default for /.
(cwdstuff::set): Initialize drive_length.
indicate that it is "special".
* thread.cc (pthread::exit): If __sdidinit is < 0, it was never really
initialized so reset it to 0 before calling _reclaim_reent.
* autoload.cc (NtQueryInformationFile): Return nonzero on error.
* ntdll.h (FILE_PIPE_LOCAL_INFORMATION): Add.
(NtQueryInformationFile): Fix types for last two arguments.
* pipe.cc: Include stdlib.h, limits.h, and ntdll.h.
(create_selectable_pipe): New function to create a pipe that can be used with
NtQueryInformationFile for select.
(fhandler_pipe::create): Call create_selectable_pipe instead of CreatePipe.
(pipe): Use DEFAULT_PIPEBUFSIZE as argument to create_pipe.
* select.cc: Include limits.h and ntdll.h.
(peek_pipe): Add select_printf output. Call NtQueryInformationFile to
implement select for write on pipes.
(fhandler_pipe::select_read): Reorder field assignments to be consistent with
fhandler_pipe::select_write.
(fhandler_pipe::select_write): Initialize startup, verify, cleanup, and
write_ready fields for select_record.
(fhandler_pipe::select_except): Tweak indentation to be consistent with
fhandler_pipe::select_write.
(fhandler_dev_dsp::open_count): Delete.
(fhandler_dev_dsp::close_audio_in): New method declaration.
(fhandler_dev_dsp::close_audio_in): Ditto.
* fhandler_dsp.cc: Add and edit debug_printf throughout.
(fhandler_dev_dsp::Audio::denyAccess): Delete.
(fhandler_dev_dsp::Audio::fork_fixup): Ditto.
(fhandler_dev_dsp::Audio::getOwner): Ditto.
(fhandler_dev_dsp::Audio::clearOwner): Ditto.
(fhandler_dev_dsp::Audio::owner_): Ditto.
(fhandler_dev_dsp::Audio::setformat): Ditto, rename to setconvert.
(fhandler_dev_dsp::Audio::lock): Ditto, move to queue.
(fhandler_dev_dsp::Audio::unlock): Ditto.
(fhandler_dev_dsp::Audio::lock_): Ditto.
(fhandler_dev_dsp::Audio::bufferIndex_): New member, from Audio_out
and Audio_in.
(fhandler_dev_dsp::Audio::pHdr_): Ditto.
(fhandler_dev_dsp::Audio::wavehdr_): Ditto.
(fhandler_dev_dsp::Audio::bigwavebuffer_): ditto.
(fhandler_dev_dsp::Audio::Qisr2app_): Ditto.
(fhandler_dev_dsp::Audio::setconvert): New method, from old setformat.
(fhandler_dev_dsp::Audio::queue::lock): New method.
(fhandler_dev_dsp::Audio::queue::unlock): Ditto.
(fhandler_dev_dsp::Audio::queue::dellock): Ditto.
(fhandler_dev_dsp::Audio::queue::isvalid): Ditto.
(fhandler_dev_dsp::Audio::queue::lock_): New member.
(fhandler_dev_dsp::Audio::queue::depth1_): Delete.
(fhandler_dev_dsp::Audio_out::fork_fixup): New method.
(fhandler_dev_dsp::Audio_out::isvalid): New method.
(fhandler_dev_dsp::Audio_out::start): Remove arguments.
(fhandler_dev_dsp::Audio_out::parsewav): Change arguments and set
internal state.
(fhandler_dev_dsp::Audio_out::emptyblocks): Delete.
(fhandler_dev_dsp::Audio_out::Qapp2app_): Ditto.
(fhandler_dev_dsp::Audio_out::Qisr2app_): Ditto, move to Audio.
(fhandler_dev_dsp::Audio_out::bufferIndex_): Ditto.
(fhandler_dev_dsp::Audio_out::pHdr_): Ditto.
(fhandler_dev_dsp::Audio_out::wavehdr_): Ditto.
(fhandler_dev_dsp::Audio_out::bigwavefuffer_): Ditto.
(fhandler_dev_dsp::Audio_out::freq_): New member.
(fhandler_dev_dsp::Audio_out::bits_): New member.
(fhandler_dev_dsp::Audio_out::channels_): New member.
(fhandler_dev_dsp::Audio_in::fork_fixup): New method.
(fhandler_dev_dsp::Audio_in::isvalid): New method.
(fhandler_dev_dsp::Audio_in::Qapp2app_): Delete.
(fhandler_dev_dsp::Audio_in::Qisr2app_): Ditto, move to Audio.
(fhandler_dev_dsp::Audio_in::bufferIndex_): Ditto.
(fhandler_dev_dsp::Audio_in::pHdr_): Ditto.
(fhandler_dev_dsp::Audio_in::wavehdr_): Ditto.
(fhandler_dev_dsp::Audio_in::bigwavefuffer_): Ditto.
(fhandler_dev_dsp::Audio::queue::queue): Simplify.
(fhandler_dev_dsp::Audio::queue::send): Use lock.
(fhandler_dev_dsp::Audio::queue::query): Do not use depth1_.
(fhandler_dev_dsp::Audio::queue::recv): Ditto.
(fhandler_dev_dsp::Audio::Audio): Adapt to new class members.
(fhandler_dev_dsp::Audio::~Audio): Ditto
(fhandler_dev_dsp::Audio_out::start): Reorganize.
(fhandler_dev_dsp::Audio_out::stop): Simplify.
(fhandler_dev_dsp::Audio_out::init): Reset the queue and clear flag.
(fhandler_dev_dsp::Audio_out::write): Reorganize to allocate audio_out.
(fhandler_dev_dsp::Audio_out::buf_info): Use appropriate block size.
(fhandler_dev_dsp::Audio_out::callback_sampledone): Do not use lock.
(fhandler_dev_dsp::Audio_out::waitforspace): Simplify.
(fhandler_dev_dsp::Audio_out::waitforallsent):Ditto.
(fhandler_dev_dsp::Audio_out::sendcurrent): Reorganize.
Clear flag before requeuing.
(fhandler_dev_dsp::Audio_out::parsewav):
(fhandler_dev_dsp::Audio_in::start): Reorganize.
(fhandler_dev_dsp::Audio_in::stop): Simplify.
(fhandler_dev_dsp::Audio_in::queueblock): Ditto.
Requeue header in case of error.
(fhandler_dev_dsp::Audio_in::init): Reset the queue and clear flag.
(fhandler_dev_dsp::Audio_in::waitfordata): Simplify.
Do not UnprepareHeader if the flag is zero.
(fhandler_dev_dsp::Audio_in::buf_info): Ditto.
(fhandler_dev_dsp::Audio_in::callback_blockfull): Do not use lock.
(fhandler_dev_dsp::open_count): Delete.
(fhandler_dev_dsp::open): Only check existence, do not allocate
anything. Set flags appropriately. Create archetype.
(fhandler_dev_dsp::write): Call archetype as needed. Create audio_out.
(fhandler_dev_dsp::read): Call archetype as needed. Create audio_in.
(fhandler_dev_dsp::close): Call archetype as needed.
Call close_audio_in and close_audio_out.
(fhandler_dev_dsp::close_audio_in): New function.
(fhandler_dev_dsp::close_audio_out): New function.
(fhandler_dev_dsp::dup): Use archetypes.
(fhandler_dev_dsp::ioctl): Call archetype as needed. Reorganize for
new structures.
(fhandler_dev_dsp::fixup_after_fork): Call archetype as needed.
(fhandler_dev_dsp::fixup_after_exec): Call archetype as needed.
Clear audio_in and audio_out.
(forkrectest): Expect child success.
(forkplaytest): Ditto.
(syncwithchild): Output the child status and the desired value.
(sinegenw): Reduce volume of the beep.
(sinegenb): Ditto.
(dup_test): New test.
* mingwex/fseeko64.c: Move.
* mingwex/ftello64.c: Move.
* mingwex/lseek64.c: Move.
* mingwex/stdio/fopen64.c: To here.
* mingwex/stdio/fseeko64.c: To here.
* mingwex/stdio/ftello64.c: To here.
* mingwex/stdio/lseek64.c: To here.
White space cleanup in ChangeLog
* pinfo.cc (pinfo::init): Don't consider MapViewOfFileEx error to be fatal if
exiting.
* pinfo.h (pinfo::init): Eliminate default argument and supply the argument in
the one case that needed it.
(IsWow64Process): Add.
* init.cc (respawn_wow64_process): New function.
(dll_entry): If process has been started from a 64 bit
process, call respawn_wow64_process.
* uname.cc (uname): On 64 bit systems, use GetNativeSystemInfo.
Show actual CPU type.
(__MINGW_ATTR_NORETURN): New define.
(__MINGW_ATTR_CONST): New define.
(__MINGW_ATTR_MALLOC): New define.
(__MINGW_ATTR_PURE): New define.
(_CRTIMP, __cdecl, __stdcall, __UNUSED_PARAM): Ansi-fy
expansions.
(mmap_record::fixup_page_map): Fix off by one error.
(list::search_record): Use long as type of "start" argument in both,
declaration and definition. Use long as type for local variable "i".
Pierre Humblet
Danny Smith
Christopher Faylor
Earnie Boyd
Bas van Gompel
Corinna Vinschen
Joshua Daniel Franklin