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2000-01-04Main changes (see ChangeLog diff for details and attributions):-rpj
- asynchronous cancellation added - attempt to hide internal exceptions from applications - kernel32 load/free problem fixed - new tests - changes only to comments in some tests
1999-11-05 * pthread.h (winsock.h): Include unconditionally.rpj
(ETIMEDOUT): Change fallback value to that defined by winsock.h.
1999-11-041999-11-05 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* general: Patched for portability to WinCE. The details are described in the file WinCE-PORT. Follow the instructions in README.WinCE to make the appropriate changes in config.h. - Tristan Savatier <tristan@mpegtv.com>
1999-10-30./ChangeLog:rpj
1999-10-30 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * create.c (pthread_create): Explicitly initialise thread state to default values. * cancel.c (pthread_setcancelstate): Check for NULL 'oldstate' for compatibility with Solaris pthreads; (pthread_setcanceltype): ditto: - Erik Hensema <erik.hensema@group2000.nl> 1999-10-23 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * pthread.h (ctime_r): Fix incorrect argument "_tm" - Erik Hensema <erik.hensema@group2000.nl> tests/ChangeLog: 1999-10-30 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * cancel1.c: New. Test pthread_setcancelstate and pthread_setcanceltype functions. * eyal1.c (waste_time): Change calculation to avoid FP exception on Aplhas - Rich Peters <rpeters@micro-magic.com>
1999-10-211999-10-21 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* pthread.h (_POSIX_THREADS): Only define it if it isn't already defined. Projects may need to define this on the CC command line under Win32 as it doesn't have unistd.h - Aurelio Medina <aureliom@crt.com>
1999-10-161999-10-17 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* rwlock.c (pthread_rwlock_destroy): Add cast to remove compile warning. * condvar.c (pthread_cond_broadcast): Only release semaphores if there are waiting threads. 1999-10-15 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * condvar.c (cond_wait_cleanup): New static cleanup handler for cond_timedwait; (cond_timedwait): pthread_cleanup_push args changed; canceling a thread while it's in pthread_cond_wait will now decrement the waiters count and cleanup if it's the last waiter. - Lorin Hochstein <lmh@xiphos.ca> and Peter Slacik <Peter.Slacik@tatramed.sk>; the last waiter will now reset the CV's wasBroadcast flag - Graham Dumpleton <Graham.Dumpleton@ra.pad.otc.telstra.com.au>.
1999-09-16Thu Sep 16 1999 Ross Johnson <rpj@swan.canberra.edu.au>rpj
* rwlock.c (pthread_rwlock_destroy): Add serialisation. (_rwlock_check_need_init): Check for detroyed rwlock. * rwlock.c: Check return codes from _rwlock_check_need_init(); modify comments; serialise access to rwlock objects during operations; rename rw_mutex to rw_lock. * implement.h: Rename rw_mutex to rw_lock. * mutex.c (pthread_mutex_destroy): Add serialisation. (_mutex_check_need_init): Check for detroyed mutex. * condvar.c (pthread_cond_destroy): Add serialisation. (_cond_check_need_init): Check for detroyed condvar. * mutex.c: Modify comments. * condvar.c: Modify comments.
1999-09-15Sat Sep 10 12:56:13 1999 Ross Johnson <rpj@swan.canberra.edu.au>rpj
The following code for POSIX read/write locks was contributed by Aurelio Medina. * implement.h (pthread_rwlock_t_): Add. * pthread.h (pthread_rwlock_t): Add. (PTHREAD_RWLOCK_INITIALIZER): Add. Add rwlock function prototypes. * rwlock.c: New module. * pthread.def: Add new rwlock functions. * private.c (_pthread_processInitialize): initialise _pthread_rwlock_test_init_lock critical section. * global.c (_pthread_rwlock_test_init_lock): Add. * mutex.c (pthread_mutex_destroy): Don't free mutex memory if mutex is PTHREAD_MUTEX_INITIALIZER and has not been initialised yet. tests/ChangeLog Sep 15 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * rwlock1.c: New test. * rwlock2.c: New test. * rwlock3.c: New test. * rwlock4.c: New test.
1999-09-11Sat Sep 10 12:56:13 1999 Ross Johnson <rpj@swan.canberra.edu.au>rpj
* mutex.c (pthread_mutex_destroy): Don't free mutex memory if mutex is PTHREAD_MUTEX_INITIALIZER and has not been initialised yet.
1999-09-10Wed Sep 8 12:56:13 1999 Ross Johnson <rpj@swan.canberra.edu.au>rpj
* mutex.c (pthread_mutex_destroy): Free mutex memory. - Milan Gardian <mg@tatramed.sk>
1999-08-221999-08-22 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* exit.c (pthread_exit): Fix reference to potentially uninitialised pointer. 1999-08-21 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * private.c (_pthread_threadStart): Apply fix of 1999-08-19 this time to C++ and non-trapped C versions. Ommitted to do this the first time through. tests/ChangeLog: Aug 22 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * runall.bat (join2): Add test.
1999-08-191999-08-19 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* private.c (_pthread_threadStart): Return exit status from the application thread startup routine. - Milan Gardian <mg@tatramed.sk> 1999-08-18 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * exit.c (pthread_exit): Put status into pthread_t->exitStatus - John Bossom <john.Bossom@cognos.com> * private.c (_pthread_threadStart): Set pthread->exitStatus on exit of try{} block. - John Bossom <john.Bossom@cognos.com> * sync.c (pthread_join): use pthread_exitStatus value if the thread exit doesn't return a value (for Mingw32 CRTDLL which uses endthread instead of _endthreadex). - John Bossom <john.Bossom@cognos.com> Tue Aug 17 20:17:58 CDT 1999 Mumit Khan <khan@xraylith.wisc.edu> * create.c (pthread_create): Add CRTDLL suppport. * exit.c (pthread_exit): Likewise. * private.c (_pthread_threadStart): Likewise. (_pthread_threadDestroy): Likewise. * sync.c (pthread_join): Likewise. * tests/join1.c (main): Warn about partial support for CRTDLL. Tue Aug 17 20:00:08 1999 Mumit Khan <khan@xraylith.wisc.edu> * Makefile.in (LD): Delete entry point. * acconfig.h (STDCALL): Delete unused macro. * configure.in: Remove test for STDCALL. * config.h.in: Regenerate. * errno.c (_errno): Fix self type. * pthread.h (PT_STDCALL): Move from here to * implement.h (PT_STDCALL): here. (_pthread_threadStart): Fix prototype. * private.c (_pthread_threadStart): Likewise. 1999-08-14 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * exit.c (pthread_exit): Don't call pthread_self() but get thread handle directly from TSD for efficiency.
1999-08-131999-08-14 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* exit.c (pthread_exit): Don't call pthread_self() but get thread handle directly for efficiency.
1999-08-12ChangeLog:rpj
1999-08-12 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * private.c (_pthread_threadStart): ei[] only declared if _MSC_VER. tests/ChangeLog: Wed Aug 12 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * Makefile (LIBS): Add -L.
1999-08-12Merged patches to main trunk.rpj
1999-05-29Sun May 30 00:25:02 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* semaphore.h (mode_t): Conditionally typedef it.
1999-05-29./ChangeLogrpj
Sat May 8 09:42:30 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * pthread.def (sem_open): Add. (sem_close): Add. (sem_unlink): Add. (sem_getvalue): Add. * FAQ (Question 3): Add. Thu Apr 8 01:16:23 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * semaphore.c (sem_open): New function; returns an error (ENOSYS). (sem_close): ditto. (sem_unlink): ditto. (sem_getvalue): ditto. * semaphore.h (_POSIX_SEMAPHORES): define. ./tests/ChangeLog Sat May 29 23:29:04 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * runall.bat (condvar5): Add new test. * runall.bat (condvar6): Add new test. * Makefile (condvar5) : Add new test. * Makefile (condvar6) : Add new test. * condvar5.c: New test for pthread_cond_broadcast(). * condvar6.c: New test for pthread_cond_broadcast().
1999-05-27Fri May 28 13:33:05 1999 Ross Johnson <rpj@swan.canberra.edu.au>rpj
* condvar.c (pthread_cond_broadcast): Fix possible memory fault - Mark E. Armstrong <avail@pacbell.net> Thu May 27 13:08:46 1999 Ross Johnson <rpj@swan.canberra.edu.au> * condvar.c (pthread_cond_broadcast): Fix logic bug - Peter Slacik <Peter.Slacik@tatramed.sk>; optimise sem_post loop - Bossom, John <John.Bossom@Cognos.COM>.
1999-05-13Fri May 14 12:13:18 1999 Ross Johnson <rpj@swan.canberra.edu.au>rpj
* attr.c (pthread_attr_setdetachstate): Fix logic bug.
1999-04-06Wed Apr 7 14:09:52 1999 Ross Johnson <rpj@swan.canberra.edu.au>snap-1999-04-07rpj
* errno.c (_REENTRANT || _MT): Invert #if condition. * pthread.h (_errno): Conditionally include prototype.
1999-04-06Wed Apr 7 09:37:00 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* *.c (comments): Remove individual attributions - these are documented sufficiently elsewhere. * implement.h (pthread.h): Remove extraneous include.
1999-04-03./ChangeLogrpj
Sun Apr 4 11:05:57 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * sched.c (sched.h): Include. * sched.h: New file for POSIX 1b scheduling. * pthread.h: Move opaque structures to implement.h; move sched_* prototypes out and into sched.h. * implement.h: Add opaque structures from pthread.h. * sched.c (sched_yield): New function. * condvar.c (_pthread_sem_*): Rename to sem_*; except for _pthread_sem_timedwait which is an private function. Sat Apr 3 23:28:00 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * Makefile.in (OBJS): Add errno.o. Fri Apr 2 11:08:50 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * implement.h (_pthread_sem_*): Remove prototypes now defined in semaphore.h. * pthread.h (sempahore.h): Include. * semaphore.h: New file for POSIX 1b semaphores. * pthread.h (_pthread_sem_t): Change to sem_t. * semaphore.c (_pthread_sem_*): Change to sem_*; these functions will be exported from the library; set errno on error. - John Bossom <jebossom@cognos.com> (_pthread_sem_timedwait): Moved to private.c. * private.c (_pthread_sem_timedwait): Moved from semaphore.c; set errno on error. * errno.c (_errno): New file. New function. - John Bossom * pthread.h (pthread_t_): Add per-thread errno element. tests/ChangeLog Sun Apr 4 12:04:28 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * tsd1.c (mythread): Change Sleep(0) to sched_yield(). (sched.h): Include. * condvar3.c (mythread): Remove redundant Sleep(). * runtest.bat: Re-organised to make more informative.
1999-03-25Fri Mar 26 14:11:45 1999 Ross Johnson <rpj@swan.canberra.edu.au>rpj
* semaphore.c (_pthread_sem_timedwait): Check for negative milliseconds. - Tor Lillqvist <tml@iki.fi>
1999-03-23Wed Mar 24 11:32:07 1999 Ross Johnson <rpj@swan.canberra.edu.au>rpj
* misc.c (CancelableWait): Initialise exceptionInformation[2]. (pthread_self): Get a real Win32 thread handle for implicit threads. * cancel.c (pthread_testcancel): Initialise exceptionInformation[2]. * implement.h (SE_INFORMATION): Fix values. * private.c (_pthread_threadDestroy): Close the thread handle. Fri Mar 19 12:57:27 1999 Ross Johnson <rpj@swan.canberra.edu.au> * cancel.c (comments): Update and cleanup. Fri Mar 19 09:12:59 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * private.c (_pthread_threadStart): status returns PTHREAD_CANCELED. * pthread.h (PTHREAD_CANCELED): defined.
1999-03-18==> ChangeLog <==rpj
Fri Mar 19 09:12:59 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * private.c (_pthread_threadStart): status returns PTHREAD_CANCELED. * pthread.h (PTHREAD_CANCELED): defined. ==> tests/ChangeLog <== Fri Mar 19 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * *.bat: redirect unwanted output to nul: * runall.bat: new. * cancel1.c: new. Not part of suite yet.
1999-03-16Tue Mar 16 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* all: Add GNU LGPL and Copyright and Warranty.
1999-03-14Mon Mar 15 00:20:13 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au>snap-1999-03-15rpj
* condvar.c (pthread_cond_init): fix possible uninitialised use of cv. Sun Mar 14 21:01:59 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * condvar.c (pthread_cond_destroy): don't do full cleanup if static initialised cv has never been used. (cond_timedwait): check result of auto-initialisation. tests/ChangeLog Mon Mar 15 00:17:55 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * mutex1.c: only test mutex init and destroy; add assertions. * count1.c: raise number of spawned threads to 60 (appears to be the limit under Win98). Sun Mar 14 21:31:02 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * test.h (assert): add assertion trace option. Use: "#define ASSERT_TRACE 1" to turn it on, "#define ASSERT_TRACE 0" to turn it off (default). * condvar3.c (main): add more assertions. * condvar4.c (main): add more assertions. * condvar1.c (main): add more assertions.
1999-03-11Thu Mar 11 09:01:48 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* pthread.h (pthread_mutex_t): revert to (pthread_mutex_t *); define a value to serve as PTHREAD_MUTEX_INITIALIZER. (pthread_mutex_t_): remove staticinit and valid elements. (pthread_cond_t): revert to (pthread_cond_t_ *); define a value to serve as PTHREAD_COND_INITIALIZER. (pthread_cond_t_): remove staticinit and valid elements. * mutex.c (pthread_mutex_t args): adjust indirection of references. (all functions): check for PTHREAD_MUTEX_INITIALIZER value; check for NULL (invalid). * condvar.c (pthread_cond_t args): adjust indirection of references. (all functions): check for PTHREAD_COND_INITIALIZER value; check for NULL (invalid). Wed Mar 10 17:18:12 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * misc.c (CancelableWait): Undo changes from Mar 8 and 7. tests/ChangeLog Fri Mar 12 08:34:15 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * eyal1.c (main): Fix trylock loop; was not waiting for thread to lock the "started" mutex.
1999-03-08Resolve merge conflicts; minor comment changes.rpj
1999-03-07Mon Mar 8 11:18:59 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* misc.c (CancelableWait): Ensure cancelEvent handle is the lowest indexed element in the handles array. Enhance test for abandoned objects. * pthread.h (PTHREAD_MUTEX_INITIALIZER): Trailing elements not initialised are set to zero by the compiler. This avoids the problem of initialising the opaque critical section element in it. (PTHREAD_COND_INITIALIZER): Ditto. * semaphore.c (_pthread_sem_timedwait): Check sem == NULL earlier. Sun Mar 7 12:31:14 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * condvar.c (pthread_cond_init): set semaphore initial value to 0, not 1. cond_timedwait was returning signaled immediately. * misc.c (CancelableWait): Place the cancel event handle first in the handle table for WaitForMultipleObjects. This ensures that the cancel event is recognised and acted apon if both objects happen to be signaled together. * private.c (_pthread_cond_test_init_lock): Initialise and destroy. * implement.h (_pthread_cond_test_init_lock): Add extern. * global.c (_pthread_cond_test_init_lock): Add declaration. * condvar.c (pthread_cond_destroy): check for valid initialised CV; flag destroyed CVs as invalid. (pthread_cond_init): pthread_cond_t is no longer just a pointer. This is because PTHREAD_COND_INITIALIZER needs state info to reside in pthread_cond_t so that it can initialise on first use. Will work on making pthread_cond_t (and other objects like it) opaque again, if possible, later. (cond_timedwait): add check for statically initialisation of CV; initialise on first use. (pthread_cond_signal): check for valid CV. (pthread_cond_broadcast): check for valid CV. (_cond_check_need_init): Add. * pthread.h (PTHREAD_COND_INITIALIZER): Fix. (pthread_cond_t): no longer a pointer to pthread_cond_t_. (pthread_cond_t_): add 'staticinit' and 'valid' elements. tests/ChangeLog Sun Mar 7 10:41:52 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * Makefile (condvar3, condvar4): Add tests. * condvar4.c (General): Reduce to simple test case; prerequisite is condvar3.c; add description. * condvar3.c (General): Reduce to simple test case; prerequisite is condvar2.c; add description. * condvar2.c (General): Reduce to simple test case; prerequisite is condvar1.c; add description. * condvar1.c (General): Reduce to simple test case; add description. * Template.c (Comments): Add generic test detail.
1999-02-21Sun Feb 21 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* pthread.h (PTHREAD_MUTEX_INITIALIZER): missing braces around cs element initialiser. Bring some tests up-to-date.
1999-02-201999-02-21 Ben Elliston <bje@cygnus.com>bje
* pthread.h (pthread_exit): The return type of this function is void, not int. * exit.c (pthread_exit): Do not return 0.
1999-02-20Sat Feb 20 16:03:30 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* dll.c (DLLMain): Expand TryEnterCriticalSection support test. * mutex.c (pthread_mutex_trylock): The check for _pthread_try_enter_critical_section == NULL should have been removed long ago.
1999-02-19Fri Feb 19 16:2s1703:30 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* sync.c (pthread_join): Fix pthread_equal() test. * mutex.c (pthread_mutex_trylock): Check mutex != NULL before using it.
1999-02-18Sat Feb 18 16:2s1703:30 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* misc.c (pthread_equal): Fix inverted result.
1999-02-18Sat Feb 18 16:2s1703:30 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* Makefile.in: Use libpthread32.a as the name of the DLL export library instead of pthread.lib. * condvar.c (pthread_cond_init): cv could have been used unitialised; initialise. * create.c (pthread_create): parms could have been used unitialised; initialise. Add "Makefile" for people who don't want to (or can't) run ./configure.
1999-02-17Sat Feb 18 16:2s1703:30 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* pthread.h (struct pthread_once_t_): Remove redefinition.
1999-02-12Sat Feb 13 03:03:30 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* pthread.h (struct pthread_once_t_): Replaced. * misc.c (pthread_once): Replace with John Bossom's version; has lighter weight serialisation; fixes problem of not holding competing threads until after the init_routine completes.
1999-02-10Thu Feb 11 13:34:14 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* misc.c (CancelableWait): Change C++ exception throw. * sync.c (pthread_join): Change FIXME comment - issue resolved.
1999-02-09Wed Feb 10 12:49:11 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au>snap-1999-02-10rpj
* configure: Various temporary changes. - Kevin Ruland <Kevin.Ruland@anheuser-busch.com> * README: Update.
1999-02-09Wed Feb 10 12:49:11 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* pthread.def (pthread_attr_getstackaddr): uncomment (pthread_attr_setstackaddr): uncomment
1999-02-09Thu Feb 4 10:07:28 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au>snapshot-1999-02-10rpj
* global.c: Remove Pthread_exception instantiation. * cancel.c (pthread_testcancel): Change C++ exception throw. * implement.h: Remove extern declaration.
1999-02-08Fri Feb 5 13:42:30 1999 Ross Johnson <rpj@swan.canberra.edu.au>rpj
* semaphore.c: Comment format changes. Wed Feb 3 13:04:44 1999 Ross Johnson <rpj@swan.canberra.edu.au> * cleanup.c: Rename _pthread_*_cleanup() to pthread_*_cleanup(). * pthread.def: Ditto. * pthread.h: Ditto. * pthread.def (pthread_cleanup_push): Remove from export list; the function is defined as a macro under all compilers. (pthread_cleanup_pop): Ditto. * pthread.h: Remove #if defined().
1999-02-02Wed Feb 3 10:13:48 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* sync.c (pthread_join): Check for NULL value_ptr arg; check for detached threads.
1999-02-02Mods to compile under Mingw32 egcs.rpj
Tue Feb 2 18:07:43 1999 Ross Johnson <rpj@swan.canberra.edu.au> * implement.h: Add #include <pthread.h>. Change sem_t to _pthread_sem_t. Various patches by Kevin Ruland <Kevin.Ruland@anheuser-busch.com> * signal.c (pthread_sigmask): Add and modify casts. Reverse LHS/RHS bitwise assignments. * pthread.h: Remove #include <semaphore.h>. (_PTHREAD_ATTR_VALID): Add cast. (struct pthread_t_): Add sigmask element. * dll.c: Add "extern C" for DLLMain. (DllMain): Add cast. * create.c (pthread_create): Set sigmask in thread. * condvar.c: Remove #include. Change sem_* to _pthread_sem_*. * attr.c: Changed #include. * Makefile.in: Additional targets and changes to build the library as a DLL. Fri Jan 29 11:56:28 1999 Ross Johnson <rpj@swan.canberra.edu.au> * Makefile.in (OBJS): Add semaphore.o to list. * semaphore.c (_pthread_sem_timedwait): Move from private.c. Rename sem_* to _pthread_sem_*. * pthread.h (pthread_cond_t): Change type of sem_t. _POSIX_SEMAPHORES no longer defined. * semaphore.h: Contents moved to implement.h. Removed from source tree. * implement.h: Add semaphore function prototypes and ename all functions to prepend '_pthread_'. They are now private to the pthreads-win32 implementation. * private.c: Change #warning. Move _pthread_sem_timedwait() to semaphore.c. * cleanup.c: Change #warning. * misc.c: Remove #include <errno.h> * pthread.def: Cleanup CVS merge conflicts. * global.c: Ditto. * ChangeLog: Ditto. * cleanup.c: Ditto.
1999-01-23Fixing problems building with GNU compilers:rpj
Sun Jan 24 01:34:52 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * semaphore.c (sem_wait): Remove second arg to pthreadCancelableWait() call. Fri Jan 22 14:31:59 1999 Ross Johnson <rpj@swan.canberra.edu.au> * Makefile.in (CFLAGS): Remove -fhandle-exceptions. Not needed with egcs. Add -g for debugging. * create.c (pthread_create): Replace __stdcall with PT_STDCALL macro. This is a hack and must be fixed. * misc.c (CancelableWait): Remove redundant statement. * mutex.c (pthread_mutexattr_init): Cast calloc return value. * misc.c (CancelableWait): Add cast. (pthread_self): Add cast. * exit.c (pthread_exit): Add cast. * condvar.c (pthread_condattr_init): Cast calloc return value. * cleanup.c: Reorganise conditional compilation. * attr.c (pthread_attr_init): Remove unused 'result'. Cast malloc return value. * private.c (_pthread_callUserDestroyRoutines): Redo conditional compilation. * misc.c (CancelableWait): C++ version uses 'throw'. * cancel.c (pthread_testcancel): Ditto. * implement.h (class pthread_exception): Define for C++. * pthread.h: Fix C, C++, and Win32 SEH condition compilation mayhem around pthread_cleanup_* defines. C++ version now uses John Bossom's cleanup handlers. (pthread_attr_t): Make 'valid' unsigned. Define '_timeb' as 'timeb' for Ming32. Define PT_STDCALL as nothing for Mingw32. May be temporary. * cancel.c (pthread_testcancel): Cast return value.
1999-01-22Sat Jan 23 17:36:40 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au>snapshot-1999-01-23rpj
* pthread.h (PTHREAD_MUTEX_AUTO_CS_NP): New. (PTHREAD_MUTEX_FORCE_CS_NP): New.
1999-01-22Sat Jan 23 17:36:40 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* README: Updated.
1999-01-20Wed Jan 20 09:31:28 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* pthread.h (pthread_mutexattr_t): Changed to a pointer. * mutex.c (pthread_mutex_init): Conditionally create Win32 mutex - from John Bossom's implementation. (pthread_mutex_destroy): Conditionally close Win32 mutex - from John Bossom's implementation. (pthread_mutexattr_init): Replaced by John Bossom's version. (pthread_mutexattr_destroy): Ditto. (pthread_mutexattr_getpshared): New function from John Bossom's implementation. (pthread_mutexattr_setpshared): New function from John Bossom's implementation. Tue Jan 19 18:27:42 1999 Ross Johnson <rpj@swan.canberra.edu.au> * pthread.h (pthreadCancelableTimedWait): New prototype. (pthreadCancelableWait): Remove second argument. * misc.c (CancelableWait): New static function is pthreadCancelableWait() renamed. (pthreadCancelableWait): Now just calls CancelableWait() with INFINITE timeout. (pthreadCancelableTimedWait): Just calls CancelableWait() with passed in timeout. * private.c (_pthread_sem_timedwait): 'abstime' arg really is absolute time. Calculate relative time to wait from current time before passing timeout to new routine pthreadCancelableTimedWait(). - Scott Lightner <scott@curriculum.com> Tue Jan 19 10:27:39 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * pthread.h (pthread_mutexattr_setforcecs_np): New prototype. * mutex.c (pthread_mutexattr_init): Init 'pshared' and 'forcecs' attributes to 0. (pthread_mutexattr_setforcecs_np): New function (not portable). * pthread.h (pthread_mutex_t): Add 'mutex' element. Set to NULL in PTHREAD_MUTEX_INITIALIZER. The pthread_mutex_*() routines will try to optimise performance by choosing either mutexes or critical sections as the basis for pthread mutexes for each indevidual mutex. (pthread_mutexattr_t_): Add 'forcecs' element. Some applications may choose to force use of critical sections if they know that:- the mutex is PROCESS_PRIVATE and, either the OS supports TryEnterCriticalSection() or pthread_mutex_trylock() will never be called on the mutex. This attribute will be setable via a non-portable routine. Note: We don't yet support PROCESS_SHARED mutexes, so the implementation as it stands will default to Win32 mutexes only if the OS doesn't support TryEnterCriticalSection. On Win9x, and early versions of NT 'forcecs' will need to be set in order to get critical section based mutexes. Sun Jan 17 12:01:26 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * pthread.h (PTHREAD_MUTEX_INITIALIZER): Init new 'staticinit' value to '1' and existing 'valid' value to '1'. * global.c (_pthread_mutex_test_init_lock): Add. * implement.h (_pthread_mutex_test_init_lock.): Add extern. * private.c (_pthread_processInitialize): Init critical section for global lock used by _mutex_check_need_init(). (_pthread_processTerminate): Ditto (:s/Init/Destroy/). * dll.c (dllMain): Move call to FreeLibrary() so that it is only called once when the process detaches. * mutex.c (_mutex_check_need_init): New static function to test and init PTHREAD_MUTEX_INITIALIZER mutexes. Provides serialised access to the internal state of the uninitialised static mutex. Called from pthread_mutex_trylock() and pthread_mutex_lock() which do a quick unguarded test to check if _mutex_check_need_init() needs to be called. This is safe as the test is conservative and is repeated inside the guarded section of _mutex_check_need_init(). Thus in all calls except the first calls to lock static mutexes, the additional overhead to lock any mutex is a single memory fetch and test for zero. * pthread.h (pthread_mutex_t_): Add 'staticinit' member. Mutexes initialised by PTHREAD_MUTEX_INITIALIZER aren't really initialised until the first attempt to lock it. Using the 'valid' flag (which flags the mutex as destroyed or not) to record this information would be messy. It is possible for a statically initialised mutex such as this to be destroyed before ever being used. * mutex.c (pthread_mutex_trylock): Call _mutex_check_need_init() to test/init PTHREAD_MUTEX_INITIALIZER mutexes. (pthread_mutex_lock): Ditto. (pthread_mutex_unlock): Add check to ensure we don't try to unlock an unitialised static mutex. (pthread_mutex_destroy): Add check to ensure we don't try to delete a critical section that we never created. Allows us to destroy a static mutex that has never been locked (and hence initialised). (pthread_mutex_init): Set 'staticinit' flag to 0 for the new mutex.
1999-01-18Tue Jan 19 18:27:42 1999 Ross Johnson <rpj@swan.canberra.edu.au>rpj
* pthread.h (pthreadCancelableTimedWait): New prototype. (pthreadCancelableWait): Remove second argument. * misc.c (CancelableWait): New static function is pthreadCancelableWait() renamed. (pthreadCancelableWait): Now just calls CancelableWait() with INFINITE timeout. (pthreadCancelableTimedWait): Just calls CancelableWait() with passed in timeout. * private.c (_pthread_sem_timedwait): 'abstime' arg really is absolute time. Calculate relative time to wait from current time before passing timeout to new routine pthreadCancelableTimedWait(). - Scott Lightner <scott@curriculum.com>
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