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* all: No code changes, just cleanup.
- remove #if 0 /* Pre Bossom */ enclosed code.
- Remove some redundant #includes.
* pthread.h: Update implemented/unimplemented routines list.
* Tag the bossom merge branch getting ready to merge back to main
trunk.
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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.
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* 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.
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* private.c (_pthread_new_thread): Increment _pthread_threads_count.
(_pthread_delete_thread): Decrement _pthread_threads_count.
Remove some comments.
* exit.c (_pthread_exit): : Fix two pthread_mutex_lock() calls that
should have been pthread_mutex_unlock() calls.
(_pthread_vacuum): Remove call to _pthread_destructor_pop_all().
* create.c (pthread_create): Fix two pthread_mutex_lock() calls that
should have been pthread_mutex_unlock() calls.
* global.c (_pthread_tsd_mutex): Add mutex for TSD operations.
* tsd.c (pthread_key_create): Add critical section.
(pthread_setspecific): Ditto.
(pthread_getspecific): Ditto.
(pthread_key_delete): Ditto.
* sync.c (pthread_join): Fix two pthread_mutex_lock() calls that
should have been pthread_mutex_unlock() calls.
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* {most}.c: Include <errno.h> to get POSIX error values.
* signal.c (pthread_sigmask): Only provide if HAVE_SIGSET_T is
defined.
* config.h: #undef features, don't #define them. This will be
generated by autoconf very soon.
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* sync.c (pthread_join): Remove target_thread_mutex and it's
initialisation. Rename getdetachedstate to getdetachstate.
Remove unused variable "exitcode".
(pthread_detach): Remove target_thread_mutex and it's
initialisation. Rename getdetachedstate to getdetachstate.
Rename setdetachedstate to setdetachstate.
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* 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.
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* 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.
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* signal.c (pthread_sigmask): Rename "this" to "us" and fix some
minor syntax errors. Declare "us" and initialise it.
* sync.c (pthread_detach): Rename "this" to "target".
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* 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.
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* 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.
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* 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.
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* sync.c (pthread_detach): Use equality test, not assignment.
* create.c (_pthread_start_call): Add call to Win32 CloseHandle()
if thread is detached.
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* sync.c (pthread_detach): Close the Win32 thread handle to
emulate detached (or daemon) threads.
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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().
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* 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.
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* sync.c (pthread_join): Return if the target thread is detached.
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* sync.c (pthread_join): Implement.
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