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* thread.cc (pthread::create): Use thread mutex to control synchronization

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rather than creating a suspended thread.  Wait for "cancellation event" to
indicate that started thread has been properly initialized.
(pthread::thread_init_wrapper): Use set_tls_self_pointer() to set tid and
cygtls.  Signal with cancel_event when done.
This commit is contained in:
Christopher Faylor 2004-04-13 02:59:19 +00:00
parent b96dbd203d
commit 3e78b5d75c
2 changed files with 25 additions and 12 deletions
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25
winsup/cygwin/ChangeLog
View file

@ -1,6 +1,15 @@
2004-04-12 Christopher Faylor <cgf@alum.bu.edu>
* thread.cc (pthread::create): Use thread mutex to control
synchronization rather than creating a suspended thread. Wait for
"cancellation event" to indicate that started thread has been properly
initialized.
(pthread::thread_init_wrapper): Use set_tls_self_pointer() to set tid
and cygtls. Signal with cancel_event when done.
2004-04-12 Pierre Humblet <pierre.humblet@ieee.org>
* path.cc (path_conv::check): Fix "tail filling" logic.
* path.cc (path_conv::check): Fix "tail filling" logic.
2004-04-11 Christopher Faylor <cgf@alum.bu.edu>
@ -169,14 +178,14 @@
(FHSTATOFF): Remove.
(UNCONNECTED, CONNECT_PENDING, CONNECTED): Substitute by enum
connect_state.
(fhandler_base::status): Define as bitfield struct type status_flags.
(fhandler_base::status): Define as bitfield struct type status_flags.
Remove unused flags entirely. Accomodate all status access methods.
(open_status): Define as bitfield struct type status_flags.
(fhandler_socket): Move socket related status bits to here. Redefine
had_connect_or_listen to be part of these status bits. Accomodate
related access methods.
* fhandler_disk_file.cc (fhandler_base::fstat_helper): Use pc.issymlink
instead of dropped method get_symlink_p.
instead of dropped method get_symlink_p.
(fhandler_base::open_fs): Remove setting dropped status flags.
* fhandler_socket.cc: Use values from enum connect_state throughout.
(fhandler_socket::fhandler_socket): Initialize status bits.
@ -352,7 +361,7 @@
* shm.cc (shmat): If shmid is unknown, call a special variation
of shmget to retrieve the shared memory segment from Cygserver
instead of failing immediately.
* include/cygwin/ipc.h (IPC_KEY_IS_SHMID): New internal flag for
* include/cygwin/ipc.h (IPC_KEY_IS_SHMID): New internal flag for
shmget when called from shmat.
2004-03-29 Corinna Vinschen <corinna@vinschen.de>
@ -509,7 +518,7 @@
* autoload.cc: Load eight more functions for waveIn support.
* 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.
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.
@ -571,8 +580,8 @@
2004-03-19 Pierre Humblet <pierre.humblet@ieee.org>
* dir.cc (rmdir): Reorganize error handling to reduce indentation.
* dir.cc (rmdir): Reorganize error handling to reduce indentation.
2004-03-19 Christopher Faylor <cgf@redhat.com>
* include/cygwin/version.h: Bump DLL minor number to 10.
@ -714,7 +723,7 @@
(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.
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.

12
winsup/cygwin/thread.cc
View file

@ -290,9 +290,9 @@ pthread::create (void *(*func) (void *), pthread_attr *newattr,
function = func;
arg = threadarg;
mutex.lock ();
win32_obj_id = ::CreateThread (&sec_none_nih, attr.stacksize,
thread_init_wrapper, this, CREATE_SUSPENDED,
&thread_id);
thread_init_wrapper, this, 0, &thread_id);
if (!win32_obj_id)
{
@ -301,9 +301,12 @@ pthread::create (void *(*func) (void *), pthread_attr *newattr,
}
else
{
if (WaitForSingleObject (cancel_event, 5000) != WAIT_OBJECT_0)
thread_printf ("event never arrived after CreateThread");
ResetEvent (cancel_event);
postcreate ();
ResumeThread (win32_obj_id);
}
mutex.unlock ();
}
void
@ -1861,7 +1864,8 @@ DWORD WINAPI
pthread::thread_init_wrapper (void *arg)
{
pthread *thread = (pthread *) arg;
_my_tls.tid = thread;
set_tls_self_pointer (thread);
SetEvent (thread->cancel_event);
thread->mutex.lock ();