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1998-12-28With this update I'm able to build the library and build and run therpj
tsd1.c test successfully using buildlib.bat and build.bat scripts. I not convinced that I understand the relationships between "__cplusplus" and "_WIN32" and the MS compiler, particularly in pthread.h where pthread_cleanup_push etc is defined. In particular, I have assumed that the __try/__finally blocks are only available if _WIN32 and __cplusplus are defined. I suspect this is wrong. Tue Dec 29 13:11:16 1998 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * implement.h: Move the following struct definitions to pthread.h: pthread_t_, pthread_attr_t_, pthread_mutex_t_, pthread_mutex_t_, pthread_mutexattr_t_, pthread_key_t_, pthread_cond_t_, pthread_condattr_t_, pthread_once_t_. * pthread.h: Add "_" prefix to pthread_push_cleanup and pthread_pop_cleanup internal routines, and associated struct and typedefs. * buildlib.bat: Add compile command for semaphore.c * pthread.def: Comment out pthread_atfork routine name. Now unimplemented. * tsd.c (pthread_setspecific): Rename tkAssocCreate to _pthread_tkAssocCreate. (pthread_key_delete): Rename tkAssocDestroy to _pthread_tkAssocDestroy. * sync.c (pthread_join): Rename threadDestroy to _pthread_threadDestroy * sched.c (is_attr): attr is now **attr (was *attr), so add extra NULL pointer test. (pthread_attr_setschedparam): Increase redirection for attr which is now a **. (pthread_attr_getschedparam): Ditto. (pthread_setschedparam): Change thread validation and rename "thread" Win32 thread Handle element name to match John Bossom's version. (pthread_getschedparam): Ditto. * private.c (_pthread_threadDestroy): Rename call to callUserDestroyRoutines() as _pthread_callUserDestroyRoutines() * misc.c: Add #include "implement.h". * dll.c: Remove defined(KLUDGE) wrapped code. * fork.c: Remove redefinition of ENOMEM. Remove pthread_atfork() and fork() with #if 0/#endif. * create.c (pthread_create): Rename threadStart and threadDestroy calls to _pthread_threadStart and _pthread_threadDestroy. * implement.h: Rename "detachedstate" to "detachstate". * attr.c: Rename "detachedstate" to "detachstate". Mon Dec 28 09:54:39 1998 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * pthread.h (pthread_attr_t_): Change to *pthread_attr_t. * attr.c (pthread_attr_setstacksize): Merge with John Bossom's version. (pthread_attr_getstacksize): Merge with John Bossom's version. (pthread_attr_setstackaddr): Merge with John Bossom's version. (pthread_attr_getstackaddr): Merge with John Bossom's version. (pthread_attr_init): Merge with John Bossom's version. (pthread_attr_destroy): Merge with John Bossom's version. (pthread_attr_getdetachstate): Merge with John Bossom's version. (pthread_attr_setdetachstate): Merge with John Bossom's version. (is_attr): attr is now **attr (was *attr), so add extra NULL pointer test. * implement.h (pthread_attr_t_): Add and rename elements in JEB's version to correspond to original, so that it can be used with original attr routines. * pthread.h: Add #endif at end which was truncated in merging.
1998-12-22Sun Dec 20 14:51:58 1998 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* misc.c (pthreadCancelableWait): New function by John Bossom. Non-stand ard but provides a hook that can be used to implement cancellation points in applications that use this library. * pthread.h (pthread_cleanup_pop): C++ (non-WIN32) version uses try/catch to emulate John Bossom's WIN32 __try/__finally behaviour. In the WIN32 version __finally block, add a test for AbnormalTermination otherwise cleanup is only run if the cleanup_pop execute arg is non-zero. Cancella tion should cause the cleanup to run irrespective of the execute arg. * condvar.c (pthread_condattr_init): Replaced by John Bossom's version. (pthread_condattr_destroy): Replaced by John Bossom's version. (pthread_condattr_getpshared): Replaced by John Bossom's version. (pthread_condattr_setpshared): Replaced by John Bossom's version. (pthread_cond_init): Replaced by John Bossom's version. Fix comment (refered to mutex rather than condition variable). (pthread_cond_destroy): Replaced by John Bossom's version. (pthread_cond_wait): Replaced by John Bossom's version. (pthread_cond_timedwait): Replaced by John Bossom's version. (pthread_cond_signal): Replaced by John Bossom's version. (pthread_cond_broadcast): Replaced by John Bossom's version. Thu Dec 17 19:10:46 1998 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * tsd.c (pthread_key_create): Replaced by John Bossom's version. (pthread_key_delete): Replaced by John Bossom's version. (pthread_setspecific): Replaced by John Bossom's version. (pthread_getspecific): Replaced by John Bossom's version. Mon Dec 7 09:44:40 1998 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * cancel.c (pthread_setcancelstate): Replaced by John Bossom's version. (pthread_setcanceltype): Replaced by John Bossom's version. (pthread_testcancel): Replaced by John Bossom's version. (pthread_cancel): Replaced by John Bossom's version. * exit.c (pthread_exit): Replaced by John Bossom's version. * misc.c (pthread_self): Replaced by John Bossom's version. (pthread_equal): Replaced by John Bossom's version. * sync.c (pthread_detach): Replaced by John Bossom's version. (pthread_join): Replaced by John Bossom's version. * create.c (pthread_create): Replaced by John Bossom's version. * private.c (_pthread_processInitialize): New by John Bossom. (_pthread_processTerminate): Non-public function by John Bossom. (_pthread_threadStart): Non-public function by John Bossom. (_pthread_threadDestroy): Non-public function by John Bossom. (_pthread_cleanupStack): Non-public function by John Bossom. (_pthread_tkAssocCreate): Non-public function by John Bossom. (_pthread_tkAssocDestroy): Non-public function by John Bossom. (_pthread_callUserDestroyRoutines): Non-public function by John Bossom. * implement.h: Added John Bossom's non-API structures and declarations. * dll.c (PthreadsEntryPoint): Cast return value of GetProcAddress to resolve compile warning from MSVC. * dll.c (DLLmain): Replaced by John Bossom's version. * dll.c (PthreadsEntryPoint): Re-applied Anders Norlander's patch:- Initialize _pthread_try_enter_critical_section at startup and release kernel32 handle when DLL is being unloaded.
1998-12-06As well as patches from Anders, this commit includes some older changesrpj
that hadn't been checked in. Those are to finish off the original TSD management scheme which will now start to be replaced by John Bossom's implementation. Anders' description of his changes:- Fixes the problem with `TryEnterCriticalSection' on w95 systems. Instead of directly calling `TryEnterCriticalSection' it tries to get a pointer at DLL startup and only calls the function if it exists. See ChangeLog for things changed. 1998-12-05 Anders Norlander <anorland@hem2.passagen.se> * implement.h (_pthread_try_enter_critical_section): New extern * dll.c (_pthread_try_enter_critical_section): New pointer to TryEnterCriticalSection if it exists; otherwise NULL. * dll.c (PthreadsEntryPoint): Initialize _pthread_try_enter_critical_section at startup and release kernel32 handle when DLL is being unloaded. * mutex.c (pthread_mutex_trylock): Replaced check for NT with a check if _pthread_try_enter_critical_section is valid pointer to a function. Call _pthread_try_enter_critical_section instead of TryEnterCriticalSection to avoid errors on Win95. Sun Nov 15 21:24:06 1998 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * cleanup.c (_pthread_destructor_run_all): Declare missing void * arg. Fixup CVS merge conflicts. Fri Oct 30 15:15:50 1998 Ross Johnson <rpj@swan.canberra.edu.au> * cleanup.c (_pthread_handler_push): Fixed bug appending new handler to list reported by Peter Slacik <Peter.Slacik@leibinger.freinet.de>. (new_thread): Rename poorly named local variable to "new_handler". Sat Oct 24 18:34:59 1998 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * global.c: Add TSD key management array and index declarations. * implement.h: Ditto for externs. Fri Oct 23 00:08:09 1998 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * implement.h (_PTHREAD_TSD_KEY_REUSE): Add enum. * private.c (_pthread_delete_thread): Add call to _pthread_destructor_run_all() to clean up the threads keys. * cleanup.c (_pthread_destructor_run_all): Check for no more dirty keys to run destructors on. Assume that the destructor call always succeeds and set the key value to NULL.
1998-10-14Thu Oct 15 11:53:21 1998 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* global.c (_pthread_tsd_key_table): Fix declaration. * implement.h(_pthread_TSD_keys_TlsIndex): Add missing extern. (_pthread_tsd_mutex): Ditto. * create.c (_pthread_start_call): Fix "keys" array declaration. Add comment. * tsd.c (pthread_setspecific): Fix type declaration and cast. (pthread_getspecific): Ditto. * cleanup.c (_pthread_destructor_run_all): Declare missing loop counter.
1998-10-14Mon Oct 12 00:00:44 1998 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* implement.h (_pthread_tsd_key_table): New. * create.c (_pthread_start_call): Initialise per-thread TSD keys to NULL. * misc.c (pthread_once): Correct typo in comment. * implement.h (_pthread_destructor_push): Remove. (_pthread_destructor_pop): Remove. (_pthread_destructor_run_all): Rename from _pthread_destructor_pop_all. (_PTHREAD_TSD_KEY_DELETED): Add enum. (_PTHREAD_TSD_KEY_INUSE): Add enum. * cleanup.c (_pthread_destructor_push): Remove. (_pthread_destructor_pop): Remove. (_pthread_destructor_run_all): Totally revamped TSD. * dll.c (_pthread_TSD_keys_TlsIndex): Initialise. * tsd.c (pthread_setspecific): Totally revamped TSD. (pthread_getspecific): Ditto. (pthread_create): Ditto. (pthread_delete): Ditto. Sun Oct 11 22:44:55 1998 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * global.c (_pthread_tsd_key_table): Add new global. * implement.h (_pthread_tsd_key_t and struct _pthread_tsd_key): Add. (struct _pthread): Remove destructorstack. * cleanup.c (_pthread_destructor_run_all): Rename from _pthread_destructor_pop_all. The key destructor stack was made global rather than per-thread. No longer removes destructor nodes from the stack. Comments updated.
1998-08-06*** empty log message ***rpj
1998-08-06Thu Aug 6 15:19:22 1998 Ross Johnson <rpj@swan.canberra.edu.au>rpj
* cleanup.c (_pthread_destructor_pop_all): Add (int) cast to pthread_getspecific() arg. (_pthread_destructor_pop): Add (void *) cast to "if" conditional. (_pthread_destructor_push): Add (void *) cast to _pthread_handler_push() "key" arg. (malloc.h): Add include.
1998-08-06Thu Aug 6 15:19:22 1998 Ross Johnson <rpj@swan.canberra.edu.au>rpj
* implement.h (_pthread_destructor_pop): Add prototype. * tsd.c (implement.h): Add include.
1998-08-04Tue Aug 4 16:57:58 1998 Ross Johnson <rpj@swan.canberra.edu.au>rpj
* private.c (_pthread_delete_thread): Fix typo. Add missing ';'. * global.c (_pthread_virgins): Change types from pointer to array pointer. (_pthread_reuse): Ditto. (_pthread_win32handle_map): Ditto. (_pthread_threads_mutex_table): Ditto. * implement.h(_pthread_virgins): Change types from pointer to array pointer. (_pthread_reuse): Ditto. (_pthread_win32handle_map): Ditto. (_pthread_threads_mutex_table): Ditto. * private.c (_pthread_delete_thread): Fix "entry" should be "thread". * misc.c (pthread_self): Add extern for _pthread_threadID_TlsIndex. * global.c: Add comment. * misc.c (pthread_once): Fix member -> dereferences. Change _pthread_once_flag to once_control->flag in "if" test.
1998-08-03Tue Aug 4 00:09:30 1998 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* implement.h(_pthread_virgins): Add extern. (_pthread_virgin_next): Ditto. (_pthread_reuse): Ditto. (_pthread_reuse_top): Ditto. (_pthread_win32handle_map): Ditto. (_pthread_threads_mutex_table): Ditto. * global.c (_pthread_virgins): Changed from array to pointer. Storage allocation for the array moved into dll.c. (_pthread_reuse): Ditto. (_pthread_win32handle_map): Ditto. (_pthread_threads_mutex_table): Ditto. * dll.c (PthreadsEntryPoint): Set up thread admin storage when DLL is loaded. * fork.c (pthread_atfork): Fix function pointer arg to all _pthread_handler_push() calls. Change "arg" arg to NULL in child push. * exit.c: Add windows.h and process.h includes. (_pthread_exit): Add local detachstate declaration. (_pthread_exit): Fix incorrect name for pthread_attr_getdetachstate(). * pthread.h (_POSIX_THREAD_ATTR_STACKSIZE): Move from global.c (_POSIX_THREAD_ATTR_STACKADDR): Ditto. * create.c (pthread_create): Fix #if should be #ifdef. (_pthread_start_call): Remove usused variables. * process.h: Create. * windows.h: Move _beginthreadex and _endthreadex into process.h Mon Aug 3 21:19:57 1998 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * condvar.c (pthread_cond_init): Add NULL attr to pthread_mutex_init() call - default attributes will be used. (cond_wait): Fix typo. (cond_wait): Fix typo - cv was ev. (pthread_cond_broadcast): Fix two identical typos. * cleanup.c (_pthread_destructor_pop_all): Remove _ prefix from PTHREAD_DESTRUCTOR_ITERATIONS. * pthread.h: Move _POSIX_* values into posix.h * pthread.h: Fix typo in pthread_mutex_init() prototype. * attr.c (pthread_attr_init): Fix error in priority member init. * windows.h (THREAD_PRIORITY_NORMAL): Add. * pthread.h (sched_param): Add missing ';' to struct definition. * attr.c (pthread_attr_init): Remove obsolete pthread_attr_t member initialisation - cancelstate, canceltype, cancel_pending. (is_attr): Make arg "attr" a const. * implement.h (_PTHREAD_HANDLER_POP_LIFO): Remove definition. (_PTHREAD_HANDLER_POP_FIFO): Ditto. (_PTHREAD_VALID): Add missing newline escape (\). (_pthread_handler_node): Make element "next" a pointer.
1998-07-31Fri Jul 31 00:05:45 1998 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* implement.h (_pthread_handler_pop_all): Add prototype. (_pthread_destructor_pop_all): Ditto. * cleanup.c (_pthread_destructor_push): Implement. This is just a call to _pthread_handler_push(). (_pthread_destructor_pop_all): Implement. This is significantly different to _pthread_handler_pop_all().
1998-07-30Fri Jul 31 00:05:45 1998 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* implement.h (_PTHREAD_THIS): Remove - no longer required. (_PTHREAD_STACK): Use pthread_self() instead of _PTHREAD_THIS.
1998-07-30Thu Jul 30 23:12:45 1998 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* implement.h: Remove _pthread_find_entry() prototype. * private.c: Extend comments. Remove _pthread_find_entry() - no longer needed. * create.c (_pthread_start_call): Add call to TlsSetValue() to store the thread ID. * dll.c (PthreadsEntryPoint): Implement. This is called whenever a process loads the DLL. Used to initialise thread local storage. * implement.h: Add _pthread_threadID_TlsIndex. Add ()s around _PTHREAD_VALID expression. * misc.c (pthread_self): Re-implement using Win32 TLS to store the threads own ID.
1998-07-28Tue Jul 28 14:04:29 1998 Ross Johnson <rpj@swan.canberra.edu.au>rpj
* implement.h: Add _PTHREAD_VALID macro. * sync.c (pthread_join): Modify to use the new thread type and _pthread_delete_thread(). Rename "target" to "thread". Remove extra local variable "target". (pthread_detach): Ditto. * signal.c (pthread_sigmask): Move init of "us" out of inner block. Fix instance of "this" should have been "us". Rename "us" to "thread". * sched.c (pthread_setschedparam): Modify to use the new thread type. (pthread_getschedparam): Ditto. * private.c (_pthread_find_thread): Fix return type and arg. * implement.h: Remove _PTHREAD_YES and _PTHREAD_NO. (_pthread_new_thread): Add prototype. (_pthread_find_thread): Ditto. (_pthread_delete_thread): Ditto. (_pthread_new_thread_entry): Remove prototype. (_pthread_find_thread_entry): Ditto. (_pthread_delete_thread_entry): Ditto. ( _PTHREAD_NEW, _PTHREAD_INUSE, _PTHREAD_EXITED, _PTHREAD_REUSE): Add. * create.c (pthread_create): Minor rename "us" to "new" (I need these cues but it doesn't stop me coming out with some major bugs at times). Load start_routine and arg into the thread so the wrapper can call it. * exit.c (pthread_exit): Fix pthread_this should be pthread_self. * cancel.c (pthread_setcancelstate): Change _pthread_threads_thread_t * to pthread_t and init with pthread_this(). (pthread_setcanceltype): Ditto.
1998-07-27Mon Jul 27 17:46:37 1998 Ross Johnson <rpj@swan.canberra.edu.au>rpj
* create.c (pthread_create): Start of rewrite. Not completed yet. * private.c (_pthread_new_thread_entry): Start of rewrite. Not complete. * implement.h (_pthread_threads_thread): Rename, remove thread member, add win32handle and ptstatus members. (_pthread_t): Add. * pthread.h: pthread_t is no longer mapped directly to a Win32 HANDLE type. This is so we can let the Win32 thread terminate and reuse the HANDLE while pthreads holds it's own thread ID until the last waiting join exits.
1998-07-26Mon Jul 27 00:20:37 1998 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* private.c (_pthread_delete_thread_entry): Destroy the thread entry attribute object before deleting the thread entry itself. * attr.c (pthread_attr_init): Initialise cancel_pending = FALSE. (pthread_attr_setdetachstate): Rename "detached" to "detachedstate". (pthread_attr_getdetachstate): Ditto. * exit.c (_pthread_exit): Fix incorrect check for detachedstate. * implement.h (_pthread_call_t): Remove env member.
1998-07-26Sun Jul 26 13:06:12 1998 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* implement.h (_pthread_new_thread_entry): Fix prototype. (_pthread_find_thread_entry): Ditto. (_pthread_delete_thread_entry): Ditto. (_pthread_exit): Add prototype.
1998-07-25Sun Jul 26 00:09:59 1998 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* sync.c: Rename all instances of _pthread_count_mutex to _pthread_table_mutex. * implement.h: Rename _pthread_count_mutex to _pthread_table_mutex. * global.c: Rename _pthread_count_mutex to _pthread_table_mutex. * create.c (pthread_create): Add critical sections. (_pthread_start_call): Rename _pthread_count_mutex to _pthread_table_mutex.
1998-07-25Sun Jul 26 00:09:59 1998 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* condvar.c (cond_wait): Add cancelation point. This applies the point to both pthread_cond_wait() and pthread_cond_timedwait(). * exit.c (pthread_exit): Rename "this" to "us". * implement.h: Add comment. * sync.c (pthread_join): I've satisfied myself that pthread_detach() does set the detached attribute in the thread entry attributes to PTHREAD_CREATE_DETACHED. "if" conditions were changed to test that attribute instead of a separate flag. * create.c (pthread_create): Rename "this" to "us". (pthread_create): cancelstate and canceltype are not attributes so the copy to thread entry attribute storage was removed. Only the thread itself can change it's cancelstate or canceltype, ie. the thread must exist already.
1998-07-25Sun Jul 26 00:09:59 1998 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* private.c (_pthread_delete_thread_entry): Mutex locks removed. Mutexes must be applied at the caller level. (_pthread_new_thread_entry): Ditto. (_pthread_new_thread_entry): Init cancelstate, canceltype, and cancel_pending to default values. (_pthread_new_thread_entry): Rename "this" to "new". (_pthread_find_thread_entry): Rename "this" to "entry". (_pthread_delete_thread_entry): Rename "thread_entry" to "entry". * create.c (_pthread_start_call): Mutexes changed to _pthread_count_mutex. All access to the threads table entries is under the one mutex. Otherwise chaos reigns. Sat Jul 25 23:16:51 1998 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * implement.h (_pthread_threads_thread): Move cancelstate and canceltype members out of pthread_attr_t into here.
1998-07-25Sat Jul 25 00:00:13 1998 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* create.c (_pthread_start_call): Set thread priority. Ensure our thread entry is removed from the thread table but only if pthread_detach() was called and there are no waiting joins. (pthread_create): Set detach flag in thread entry if the thread is created PTHREAD_CREATE_DETACHED. * pthread.h (pthread_attr_t): Rename member "detachedstate". * attr.c (pthread_attr_init): Rename attr members. * exit.c (pthread_exit): Fix indirection mistake. * implement.h (_PTHREAD_THREADS_TABLE_INDEX): Add. * exit.c (_pthread_vacuum): Fix incorrect args to _pthread_handler_pop_all() calls. Make thread entry removal conditional. * sync.c (pthread_join): Add multiple join and async detach handling. * implement.h (_PTHREAD_THREADS_TABLE_INDEX): Add. * global.c (_pthread_threads_mutex_table): Add. * implement.h (_pthread_once_flag): Remove. (_pthread_once_lock): Ditto. (_pthread_threads_mutex_table): Add. * global.c (_pthread_once_flag): Remove. (_pthread_once_lock): Ditto. * sync.c (pthread_join): Fix tests involving new return value from _pthread_find_thread_entry(). (pthread_detach): Ditto. * private.c (_pthread_find_thread_entry): Failure return code changed from -1 to NULL.
1998-07-24Fri Jul 24 21:13:55 1998 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* cancel.c (pthread_cancel): Implement. (pthread_testcancel): Implement. * exit.c (pthread_exit): Add comment explaining the longjmp(). * implement.h (_pthread_threads_thread_t): New member cancelthread. (_PTHREAD_YES): Define. (_PTHREAD_NO): Define. (RND_SIZEOF): Remove. * create.c (pthread_create): Rename cancelability to cancelstate. * pthread.h (pthread_attr_t): Rename cancelability to cancelstate. (PTHREAD_CANCELED): Define.
1998-07-24Fri Jul 24 16:33:17 1998 Ross Johnson <rpj@swan.canberra.edu.au>rpj
* fork.c (pthread_atfork): Add all the necessary push calls. Local implementation semantics: If we get an ENOMEM at any time then ALL handlers (including those from previous pthread_atfork() calls) will be popped off each of the three atfork stacks before we return. (fork): Add all the necessary pop calls. Add the thread cancellation and join calls to the child fork. Add #includes. * implement.h: (_pthread_handler_push): Fix return type and stack arg type in prototype. (_pthread_handler_pop): Fix stack arg type in prototype. (_pthread_handler_pop_all): Fix stack arg type in prototype. * cleanup.c (_pthread_handler_push): Change return type to int and return ENOMEM if malloc() fails.
1998-07-24 * sync.c (pthread_join): Save valueptr arg in joinvalueptr forrpj
pthread_exit() to use. * private.c (_pthread_new_thread_entry): Initialise joinvalueptr to NULL. * create.c (_pthread_start_call): Rewrite to facilitate joins. pthread_exit() will do a longjmp() back to here. Does appropriate cleanup and exit/return from the thread. (pthread_create): _beginthreadex() now passes a pointer to our thread table entry instead of just the call member of that entry. * implement.h (_pthread_threads_thread): New member void ** joinvalueptr. (_pthread_call_t): New member jmpbuf env. * exit.c (pthread_exit): Major rewrite to handle joins and handing value pointer to joining thread. Uses longjmp() back to _pthread_start_call().
1998-07-23Fri Jul 24 03:00:25 1998 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* attr.c (pthread_attr_destroy): Fix merge conflicts. (pthread_attr_getdetachstate): Fix merge conflicts. (pthread_attr_setdetachstate): Fix merge conflicts. * pthread.h: Fix merge conflicts. * sync.c (pthread_join): Fix merge conflicts.
1998-07-231998-07-24 Ben Elliston <bje@cygnus.com>bje
* implement.h (_PTHREAD_CANCEL_DEFAULTS): Remove. Bit fields proved to be too cumbersome. Set the defaults in attr.c using the public PTHREAD_CANCEL_* constants.
1998-07-23 * global.c: New. Global data objects declared here. These moved fromrpj
pthread.h. * pthread.h: Move implementation hidden definitions into implement.h. * implement.h: Move implementation hidden definitions from pthread.h. Add constants to index into the different handler stacks. * cleanup.c (_pthread_handler_push): Simplify args. Restructure. (_pthread_handler_pop): Simplify args. Restructure. (_pthread_handler_pop_all): Simplify args. Restructure.
1998-07-22Wed Jul 22 00:16:22 1998 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* attr.c, implement.h, pthread.h, ChangeLog: Resolve CVS merge conflicts. * private.c (_pthread_find_thread_entry): Changes to return type to support leaner _pthread_threads_table[] which now only stores _pthread_thread_thread_t *. (_pthread_new_thread_entry): Internal changes. (_pthread_delete_thread_entry): Internal changes to avoid contention. Calling routines changed accordingly. * pthread.h: Modified cleanup macros to use new generic push and pop. Added destructor and atfork stacks to _pthread_threads_thread_t. * cleanup.c (_pthread_handler_push, _pthread_handler_pop, _pthread_handler_pop_all): Renamed cleanup push and pop routines and made generic to handle destructors and atfork handlers as well. * create.c (_pthread_start_call): New function is a wrapper for all new threads. It allows us to do some cleanup when the thread returns, ie. that is otherwise only done if the thread is cancelled. * exit.c (_pthread_vacuum): New function contains code from pthread_exit() that we need in the new _pthread_start_call() as well. * implement.h: Various additions and minor changes. * pthread.h: Various additions and minor changes. Change cleanup handler macros to use generic handler push and pop functions. * attr.c: Minor mods to all functions. (is_attr): Implemented missing function. * create.c (pthread_create): More clean up. * private.c (_pthread_find_thread_entry): Implement. (_pthread_delete_thread_entry): Implement. (_pthread_new_thread_entry): Implement. These functions manipulate the implementations internal thread table and are part of general code cleanup and modularisation. They replace _pthread_getthreadindex() which was removed. * exit.c (pthread_exit): Changed to use the new code above. * pthread.h: Add cancelability constants. Update comments.
1998-07-221998-07-22 Ben Elliston <bje@cygnus.com>bje
* implement.h (_pthread_attr_t): Moved to a public definition in pthread.h. There was little gain in hiding these details.
1998-07-22i1998-07-22 Ben Elliston <bje@cygnus.com>bje
* attr.c (pthread_setstacksize): Update test of attr argument. (pthread_getstacksize): Likewise. (pthread_setstackaddr): Likewise. (pthread_getstackaddr): Likewise. (pthread_attr_init): No need to allocate any storage. (pthread_attr_destroy): No need to free any storage. * mutex.c (is_attr): Not likely to be needed; remove. (remove_attr): Likewise. (insert_attr): Likewise. * pthread.h (pthread_attr_t): Moved here from implement.h. * implement.h (_pthread_mutexattr_t): Moved to a public definition in pthread.h. There was little gain in hiding these details. (_pthread_condattr_t): Likewise.
1998-07-21Wed Jul 22 00:16:22 1998 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* cleanup.c (_pthread_cleanup_push): Implement. (_pthread_cleanup_pop): Implement. (_pthread_do_cancellation): Implement. These are private to the implementation. The real cleanup functions are macros. See below. * pthread.h (pthread_cleanup_push): Implement as a macro. (pthread_cleanup_pop): Implement as a macro. Because these are macros which start and end a block, the POSIX scoping requirement is observed. See the comment in the file. * exit.c (pthread_exit): Refine the code. * create.c (pthread_create): Code cleanup. * implement.h (RND_SIZEOF): Add RND_SIZEOF(T) to round sizeof(T) up to multiple of DWORD. Add function prototypes. * private.c (_pthread_getthreadindex): "*thread" should have been "thread". Detect empty slot fail condition.
1998-07-19Mon Jul 20 02:31:05 1998 Ross Johnson <rpj@ixobrychus.canberra.edu.au>rpj
* private.c (_pthread_getthreadindex): Implement. * pthread.h: Add application static data dependent on _PTHREADS_BUILD_DLL define. This is needed to avoid allocating non-sharable static data within the pthread DLL. * implement.h: Add _pthread_cleanup_stack_t, _pthread_cleanup_node_t and _PTHREAD_HASH_INDEX. * exit.c (pthread_exit): Begin work on cleanup and de-allocate thread-private storage. * create.c (pthread_create): Add thread to thread table. Keep a thread-private copy of the attributes with default values filled in when necessary. Same for the cleanup stack. Make pthread_create C run-time library friendly by using _beginthreadex() instead of CreateThread(). Fix error returns. Sun Jul 19 16:26:23 1998 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * implement.h: Rename pthreads_thread_count to _pthread_threads_count. Create _pthread_threads_thread_t struct to keep thread specific data. * create.c: Rename pthreads_thread_count to _pthread_threads_count. (pthread_create): Handle errors from CreateThread().
1998-07-171998-07-18 Ben Elliston <bje@cygnus.com>bje
* implement.h (_pthread_condattr_t): Remove shared attribute.
1998-07-171998-07-17 Ben Elliston <bje@cygnus.com>bje
* implement.h (_pthread_mutexattr_t): Remove shared attribute.
1998-07-12See the ChangeLog.rpj
1998-07-121998-07-13 Ben Elliston <bje@cygnus.com>bje
* implement.h (PTHREADS_THREADS_MAX): Remove trailing semicolon. (PTHREADS_STACK_MIN): Specify; needs confirming. (_pthreads_attr_t): Define this type. (_pthreads_condattr_t): Likewise.
1998-07-121998-07-12 Ben Elliston <bje@cygnus.com>bje
* implement.h (_pthread_mutex_attr_t): Define this implementation internal type. Application programmers only see a mutex attribute object as a void pointer.
1998-07-11Preliminary.rpj