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2000-12-29./ChangeLog:rpj
2000-12-29 Ross Johnson <rpj@special.ise.canberra.edu.au> * Makefile: Back-out "for" loops which don't work. * GNUmakefile: Remove the fake.a target; add the "realclean" target; don't remove built libs under the "clean" target. * config.h: Add a guard against multiple inclusion. * semaphore.h: Add some defines from config.h to make semaphore.h independent of config.h when building apps. * pthread.h (_errno): Back-out previous fix until we know how to fix it properly. * implement.h (lockCount): Add missing element to pthread_mutex_t_. * sync.c (pthread_join): Spelling fix in comment. * private.c (ptw32_threadStart): Reset original termination function (C++). (ptw32_threadStart): Cleanup detached threads early in case the library is statically linked. (ptw32_callUserDestroyRoutines): Remove [SEH] __try block from destructor call so that unhandled exceptions will be passed through to the system; call terminate() from [C++] try block for the same reason. * tsd.c (pthread_getspecific): Add comment. * mutex.c (pthread_mutex_init): Initialise new elements in pthread_mutex_t. (pthread_mutex_unlock): Invert "pthread_equal()" test. 2000-12-28 Ross Johnson <rpj@special.ise.canberra.edu.au> * semaphore.c (mode_t): Use ifndef HAVE_MODE_T to include definition. * config.h.in (HAVE_MODE_T): Added. (_UWIN): Start adding defines for the UWIN package. ./tests/ChangeLog: 2000-12-29 Ross Johnson <rpj@special.ise.canberra.edu.au> * GNUmakefile: Add mutex4 test; ensure libpthreadw32.a is removed for "clean" target. * Makefile: Add mutex4 test. * exception3.c: Remove SEH code; automatically pass the test under SEH (which is an N/A environment). * mutex4.c: New test. * eyal1.c (do_work_unit): Add a dummy "if" to force the optimiser to retain code; reduce thread work loads. * condvar8.c (main): Add an additional "assert" for debugging; increase pthread_cond_signal timeout.
2000-12-282000-10-10 Ross Johnson <rpj@setup1.ise.canberra.edu.au>rpj
* misc.c (pthread_self): Restore Win32 "last error" cleared by TlsGetValue() call in pthread_getspecific() - "Steven Reddie" <smr@essemer.com.au> 2000-09-20 Ross Johnson <rpj@setup1.ise.canberra.edu.au> * mutex.c (pthread_mutex_lock): Record the owner of the mutex. This requires also keeping count of recursive locks ourselves rather than leaving it to Win32 since we need to know when to NULL the thread owner when the mutex is unlocked. (pthread_mutex_trylock): Likewise. (pthread_mutex_unlock): Check that the calling thread owns the mutex, decrement the recursive lock count, and NULL the owner if zero. Return EPERM if the mutex is owned by another thread. * implement.h (pthread_mutex_t_): Add ownerThread and lockCount members. - reported by Arthur Kantor <akantor@bexusa.com>
2000-12-28./ChangeLog:rpj
2000-12-28 Ross Johnson <rpj@special.ise.canberra.edu.au> * private.c (ptw32_threadStart): Unhandled exceptions are now passed through to the system to deal with. This is consistent with normal Windows behaviour. C++ applications may use set_terminate() to override the default behaviour which is to call ptw32_terminate(). Ptw32_terminate() cleans up some POSIX thread stuff before calling the system default function which calls abort(). The users termination function should conform to standard C++ semantics which is to not return. It should exit the thread (call pthread_exit()) or exit the application. * private.c (ptw32_terminate): Added as the default set_terminate() function. It calls the system default function after cleaning up some POSIX thread stuff. * implement.h (ptw32_try_enter_critical_section): Move declaration. * global.c (ptw32_try_enter_critical_section): Moved from dll.c. * dll.c: Move process and thread attach/detach code into functions in nonportable.c. * nonportable.c (pthread_win32_process_attach_np): Process attach code from dll.c is now available to static linked applications. * nonportable.c (pthread_win32_process_detach_np): Likewise. * nonportable.c (pthread_win32_thread_attach_np): Likewise. * nonportable.c (pthread_win32_thread_detach_np): Likewise. * pthread.h: Add new non-portable prototypes for static linked applications. * GNUmakefile (OPT): Increase optimisation flag and remove debug info flag. * pthread.def: Add new non-portable exports for static linked applications. 2000-12-11 Ross Johnson <rpj@special.ise.canberra.edu.au> * FAQ: Update Answer 6 re getting a fully working Mingw32 built library. 2000-09-09 Ross Johnson <rpj@special.ise.canberra.edu.au> * pthread.h (ctime_r): Fix arg. ./tests/ChangeLog: 2000-12-28 Ross Johnson <rpj@special.ise.canberra.edu.au> * eyal1.c: Increase thread work loads. * exception2.c: New test. * exception3.c: New test. * Makefile: Add new tests exception2.c and exception3.c. * GNUmakefile: Likewise. 2000-12-11 Ross Johnson <rpj@special.ise.canberra.edu.au> * cleanup3.c: Remove unused variable. * cleanup2.c: Likewise. * exception1.c: Throw an exception rather than use a deliberate zero divide so that catch(...) will handle it under Mingw32. Mingw32 now builds the library correctly to pass all tests - see Thomas Pfaff's detailed instructions re needed changes to Mingw32 in the Pthreads-Win32 FAQ.
2000-09-132000-09-13 Ross Johnson <rpj@setup1.ise.canberra.edu.au>rpj
* mutex.c (pthread_mutex_init): Call TryEnterCriticalSection through the pointer rather than directly so that the dll can load on Windows versions that can't resolve the function, eg. Windows 95 - "Jef Gearhart" <jgearhart@tpssys.com>
2000-09-08Edit CFLAGS.rpj
2000-09-072000-09-08 Ross Johnson <rpj@special.ise.canberra.edu.au>rpj
* cancel.c (pthread_cancel): Must get "self" through calling pthread_self() which will ensure a POSIX thread struct is built for non-POSIX threads; return an error if this fails - Ollie Leahy <ollie@mpt.ie> (pthread_setcancelstate): Likewise. (pthread_setcanceltype): Likewise. * misc.c (ptw32_cancelable_wait): Likewise. * private.c (ptw32_tkAssocCreate): Remove unused #if 0 wrapped code. * pthread.h (ptw32_get_exception_services_code): Needed to be forward declared unconditionally. 2000-09-06 Ross Johnson <rpj@special.ise.canberra.edu.au> * cancel.c (pthread_cancel): If called from the main thread "self" would be NULL; get "self" via pthread_self() instead of directly from TLS so that an implicit pthread object is created. * misc.c (pthread_equal): Strengthen test for NULLs.
2000-09-022000-09-02 Ross Johnson <rpj@special.ise.canberra.edu.au>rpj
* condvar.c (ptw32_cond_wait_cleanup): Ensure that all waking threads check if they are the last, and notify the broadcaster if so - even if an error occurs in the waiter. * semaphore.c (_decrease_semaphore): Should be a call to ptw32_decrease_semaphore. (_increase_semaphore): Should be a call to ptw32_increase_semaphore. * misc.c (ptw32_cancelable_wait): Renamed from CancelableWait. (cond_wait_cleanup*): Rename to ptw32_cond_wait_cleanup*. (ptw32_cond_timedwait): Add comments.
2000-09-022000-09-02 Ross Johnson <rpj@special.ise.canberra.edu.au>rpj
* rwlock.c (_rwlock_check*): Renamed to ptw32_rwlock_check*. * mutex.c (_mutex_check*): Renamed to ptw32_mutex_check*. * condvar.c (cond_timed*): Renamed to ptw32_cond_timed*. (_cond_check*): Renamed to ptw32_cond_check*.
2000-08-222000-08-22 Ross Johnson <rpj@setup1.ise.canberra.edu.au>rpj
* private.c (ptw32_throw): Fix exception test; move exceptionInformation declaration. * tsd.c (pthread_key_create): newkey wrongly declared. * pthread.h: Fix comment block.
2000-08-182000-08-18 Ross Johnson <rpj@special.ise.canberra.edu.au>rpj
* mutex.c (pthread_mutex_destroy): Check that the mutex isn't held; invalidate the mutex as early as possible to avoid contention; not perfect - FIXME! * rwlock.c (pthread_rwlock_init): Remove redundant assignment to "rw". (pthread_rwlock_destroy): Invalidate the rwlock before freeing up any of it's resources - to avoid contention. * private.c (ptw32_tkAssocCreate): Change assoc->lock to use a dynamically initialised mutex - only consumes a W32 mutex or critical section when first used, not before. * mutex.c (pthread_mutex_init): Remove redundant assignment to "mx". (pthread_mutexattr_destroy): Set attribute to NULL before freeing it's memory - to avoid contention.
2000-08-182000-08-18 Ross Johnson <rpj@setup1.ise.canberra.edu.au>rpj
* implement.h (PTW32_EPS_CANCEL/PTW32_EPS_EXIT): Must be defined for all compilers - used as generic exception selectors by ptw32_throw().
2000-08-182000-08-18 Ross Johnson <rpj@setup1.ise.canberra.edu.au>rpj
* Several: Fix typos from scripted edit session yesterday. * nonportable.c (pthread_mutexattr_setforcecs_np): Moved this function from mutex.c. (pthread_getw32threadhandle_np): New function to return the win32 thread handle that the POSIX thread is using. * mutex.c (pthread_mutexattr_setforcecs_np): Moved to new file "nonportable.c". * pthread.h (PTW32_BUILD): Only redefine __except and catch compiler keywords if we aren't building the library (ie. PTW32_BUILD is not defined) - this is safer than defining and then undefining if not building the library. * implement.h: Remove __except and catch undefines. * Makefile (CFLAGS): Define PTW32_BUILD. * GNUmakefile (CFLAGS): Define PTW32_BUILD. * All appropriate: Change Pthread_exception* to ptw32_exception* to be consistent with internal identifier naming. * private.c (ptw32_throw): New function to provide a generic exception throw for all internal exceptions and EH schemes. (ptw32_threadStart): pthread_exit() value is now returned via the thread structure exitStatus element. * exit.c (pthread_exit): pthread_exit() value is now returned via the thread structure exitStatus element. * cancel.c (ptw32_cancel_self): Now uses ptw32_throw. (pthread_setcancelstate): Ditto. (pthread_setcanceltype): Ditto. (pthread_testcancel): Ditto. (pthread_cancel): Ditto. * misc.c (CancelableWait): Ditto. * exit.c (pthread_exit): Ditto. * All applicable: Change PTW32_ prefix to PTW32_ prefix to remove leading underscores from private library identifiers.
2000-08-172000-08-17 Ross Johnson <rpj@special.ise.canberra.edu.au>rpj
* All applicable: Change _pthread_ prefix to ptw32_ prefix to remove leading underscores from private library identifiers (single and double leading underscores are reserved in the ANSI C standard for compiler implementations).
2000-08-172000-08-17 Ross Johnson <rpj@special.ise.canberra.edu.au>rpj
* tsd.c (pthread_create_key): Initialise temporary key before returning it's address to avoid race conditions.
2000-08-142000-08-13 Ross Johnson <rpj@special.ise.canberra.edu.au>rpj
* errno.c: Add _MD precompile condition; thus far had no effect when using /MD compile option but I thnk it should be there. * exit.c: Add __cplusplus to various #if lines; was compiling SEH code even when VC++ had C++ compile options. * private.c: ditto. * create.c (pthread_create): Add PT_STDCALL macro to function pointer arg in _beginthread(). * pthread.h: PT_STDCALL really does need to be defined in both this and impliment.h; don't set it to __cdecl - this macro is only used to extend function pointer casting for functions that will be passed as parameters. (~PThreadCleanup): add cast and group expression. (_errno): Add _MD compile conditional. (PtW32NoCatchWarn): Change pragma message. * implement.h: Move and change PT_STDCALL define. * need_errno.h: Add _MD to compilation conditional. * GNUmakefile: Substantial rewrite for new naming convention; set for nil optimisation (turn it up when we have a working library build; add target "fake.a" to build a libpthreadw32.a from the VC++ built DLL pthreadVCE.dll. * pthread.def (LIBRARY): Don't specify in the .def file - it is specified on the linker command line since we now use the same .def file for variously named .dlls. * Makefile: Substantial rewrite for new naming convention; default nmake target only issues a help message; run nmake with specific target corresponding to the EH scheme being used. * README: Update information; add naming convention explanation. * ANNOUNCE: Update information. 2000-08-12 Ross Johnson <rpj@special.ise.canberra.edu.au> * pthread.h: Add compile-time message when using MSC_VER compiler and C++ EH to warn application programmers to use PtW32Catch instead of catch(...) if they want cancelation and pthread_exit to work. * implement.h: Remove #include <semaphore.h>; we use our own local semaphore.h. tests/ChangeLog: 2000-08-13 Ross Johnson <rpj@special.ise.canberra.edu.au> * condvar3.c: Minor change to eliminate compiler warning. * condvar4.c: ditto. * condvar5.c: ditto. * condvar6.c: ditto. * condvar7.c: ditto. * condvar8.c: ditto. * condvar9.c: ditto. * exit1.c: Function needed return statement. * cleanup1.c: Remove unnecessary printf arg. * cleanup2.c: Fix cast. * rwlock6.c: Fix casts. * exception1.c (PtW32CatchAll): Had the wrong name; fix casts. * cancel3.c: Remove unused waitLock variable. * GNUmakefile: Change library/dll naming; add new tests; general minor changes. * Makefile: Change library/dll naming; add targets for testing each of the two VC++ EH scheme versions; default target now issues help message; compile warnings now interpreted as errors to stop the make; add new tests; restructure to remove prerequisites needed otherwise. * README: Updated.
2000-08-112000-08-10 Ross Johnson <rpj@special.ise.canberra.edu.au>snap-2000-08-10rpj
* cleanup.c (pthread_pop_cleanup): Remove _pthread prefix from __except and catch keywords; implement.h now simply undefines _pthread__except and _pthread_catch if defined; VC++ was not textually substituting _pthread_catch etc back to catch as it was redefined; the reason for using the prefixed version was to make it clear that it was not using the pthread.h redefined catch keyword. * private.c (_pthread_threadStart): Ditto. (_pthread_callUserDestroyRoutines): Ditto. * implement.h (_pthread__except): Remove #define. (_pthread_catch): Remove #define. * GNUmakefile (pthread.a): New target to build libpthread32.a from pthread.dll using dlltool. * buildlib.bat: Duplicate cl commands with args to build C++ EH version of pthread.dll; use of .bat files is redundant now that nmake compatible Makefile is included; used as a kludge only now. * Makefile: Localise some macros and fix up the clean: target to extend it and work properly. * CONTRIBUTORS: Add contributors. * ANNOUNCE: Updated. * README: Updated. tests/ChangeLog: 2000-08-10 Ross Johnson <rpj@special.ise.canberra.edu.au> * eyal1.c (main): Change implicit cast to explicit cast when passing "print_server" function pointer; G++ no longer allows implicit func parameter casts. * cleanup1.c: Remove unused "waitLock". (main): Fix implicit parameter cast. * cancel2.c (main): Fix implicit parameter cast. * cancel4.c (main): Fix implicit parameter cast. * cancel3.c (main): Fix implicit parameter cast. * GNUmakefile: Renamed from Makefile; Add missing cancel1 and cancel2 test targets. * Makefile: Converted for use with MS nmake.
2000-08-062000-08-06 Ross Johnson <rpj@special.ise.canberra.edu.au>rpj
* pthread.h: Remove #warning - VC++ doesn't accept it. 2000-08-05 Ross Johnson <rpj@special.ise.canberra.edu.au> * pthread.h (PtW32CatchAll): Add macro. When compiling applications using VC++ with C++ EH rather than SEH 'PtW32CatchAll' must be used in place of any 'catch( ... )' if the application wants pthread cancelation or pthread_exit() to work. 2000-08-03 Ross Johnson <rpj@special.ise.canberra.edu.au> * pthread.h: Add a base class Pthread_exception for library internal exceptions and change the "catch" re-define macro to use it. 2000-08-02 Ross Johnson <rpj@special.ise.canberra.edu.au> * GNUmakefile (CFLAGS): Add -mthreads. Add new targets to generate cpp and asm output. * sync.c (pthread_join): Remove dead code. tests: 2000-08-06 Ross Johnson <rpj@special.ise.canberra.edu.au> * ccl.bat: Add /nologo to remove extraneous output. * exception1.c (exceptionedThread): Init 'dummy'; put expression into if condition to prevent optimising away; remove unused variable. * cancel4.c (mythread): Cast return value to avoid warnings. * cancel2.c (mythread): Missing #endif. * condvar9.c (mythread): Cast return value to avoid warnings. * condvar8.c (mythread): Cast return value to avoid warnings. * condvar7.c (mythread): Cast return value to avoid warnings. * cleanup3.c (mythread): Cast return value to avoid warnings. * cleanup2.c (mythread): Cast return value to avoid warnings. * cleanup1.c (mythread): Cast return value to avoid warnings. * condvar5.c (mythread): Cast return value to avoid warnings. * condvar3.c (mythread): Cast return value to avoid warnings. * condvar6.c (mythread): Cast return value to avoid warnings. * condvar4.c (mythread): Cast return value to avoid warnings. 2000-08-05 Ross Johnson <rpj@special.ise.canberra.edu.au> * cancel2.c: Use PtW32CatchAll macro if defined. * exception1.c: Use PtW32CatchAll macro if defined. 2000-08-02 Ross Johnson <rpj@special.ise.canberra.edu.au> * tsd1.c: Fix typecasts of &result [g++ is now very fussy]. * test.h (assert): Return 0's explicitly to allay g++ errors. * join2.c: Add explicit typecasts. * join1.c: Add explicit typecasts. * join0.c: Add explicit typecasts. * eyal1.c: Add explicit typecasts. * count1.c (main): Add type cast to remove g++ parse warning [gcc-2.95.2 seems to have tightened up on this]. * Makefile (GLANG): Use c++ explicitly. Remove MSVC sections (was commented out). Add target to generate cpp output.
2000-07-252000-07-25 Ross Johnson <rpj@special.ise.canberra.edu.au>rpj
* sched.c (sched_get_priority_max): Handle different WinCE and Win32 priority values together. (sched_get_priority_min): Ditto. - Tristan Savatier <tristan@mpegtv.com> * create.c (pthread_create): Force new threads to wait until pthread_create has the new thread's handle; we also retain a local copy of the handle for internal use until pthread_create returns. * private.c (_pthread_threadStart): Initialise ei[]. (_pthread_threadStart): When beginthread is used to start the thread, force waiting until the creator thread had the thread handle. * cancel.c (_pthread_cancel_thread): Include context switch code for defined(_X86_) environments in addition to _M_IX86. * rwlock.c (pthread_rwlock_destroy): Assignment changed to avoid compiler warning. * private.c (_pthread_get_exception_services_code): Cast NULL return value to avoid compiler warning. * cleanup.c (pthread_pop_cleanup): Initialise "cleanup" variable to avoid compiler warnings. * misc.c (_pthread_new): Change "new" variable to "t" to avoid confusion with the C++ keyword of the same name. * condvar.c (cond_wait_cleanup): Initialise lastWaiter variable. (cond_timedwait): Remove unused local variables. to avoid compiler warnings. * dll.c (dllMain): Remove 2000-07-21 change - problem appears to be in pthread_create(). 2000-07-22 Ross Johnson <rpj@special.ise.canberra.edu.au> * tsd.c (pthread_key_create): If a destructor was given and the pthread_mutex_init failed, then would try to reference a NULL pointer (*key); eliminate this section of code by using a dynamically initialised mutex (PTHREAD_MUTEX_INITIALIZER). * tsd.c (pthread_setspecific): Return an error if unable to set the value; simplify cryptic conditional. * tsd.c (pthread_key_delete): Locking threadsLock relied on mutex_lock returning an error if the key has no destructor. ThreadsLock is only initialised if the key has a destructor. Making this mutex a static could reduce the number of mutexes used by an application since it is actually created only at first use and it's often destroyed soon after. 2000-07-22 Ross Johnson <rpj@special.ise.canberra.edu.au> * FAQ: Added Q5 and Q6. tests/ChangeLog: 2000-07-25 Ross Johnson <rpj@special.ise.canberra.edu.au> * runtest.bat: modified to work under W98. * runall.bat: Add new tests; modified to work under W98. It was ok under NT. * Makefile: Add new tests. * exception1.c: New; Test passing exceptions back to the application and retaining library internal exceptions. * join0.c: New; Test a single join.
2000-07-252000-07-25 Ross Johnson <rpj@setup1.ise.canberra.edu.au>rpj
* dll.c (dllMain): Remove 2000-07-21 change - problem appears to be in pthread_create(). 2000-07-21 Ross Johnson <rpj@setup1.ise.canberra.edu.au> * create.c (pthread_create): Set threadH to 0 (zero) everywhere. Some assignments were using NULL. Maybe it should be NULL everywhere - need to check. (I know they are nearly always the same thing - but not by definition.) * dll.c: Include resource leakage work-around. This is a partial FIXME which doesn't stop all leakage. The real problem needs to be found and fixed. - "David Baggett" <dmb@itasoftware.com> * misc.c (pthread_self): Try to catch NULL thread handles at the point where they might be generated, even though they should always be valid at this point. * tsd.c (pthread_setspecific): return an error value if pthread_self() returns NULL. * sync.c (pthread_join): return an error value if pthread_self() returns NULL. * signal.c (pthread_sigmask): return an error value if pthread_self() returns NULL.
2000-01-052000-01-06 Ross Johnson <rpj@special.ise.canberra.edu.au>rpj
* Makefile: Remove inconsistencies in 'cl' args - Erik Hensema <erik.hensema@group2000.nl>
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.
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