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Remove unused autoconf files;
Add the file COPYING, which describes the pthread-win32 license
relative to the FSF LGPL.
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* barrier.c: Fix several bugs in all routines. Now passes
tests/barrier5.c which is fairly rigorous. There is still
a non-optimal work-around for a race condition between
the barrier breeched event signal and event wait. Basically
the last (signalling) thread to hit the barrier yields
to allow any other threads, which may have lost the race,
to complete.
tests/ChangeLog:
* barrier3.c: Fixed.
* barrier4.c: Fixed.
* barrier5.c: New; proves that all threads in the group
reaching the barrier wait and then resume together. Repeats
the test using groups of 1 to 16 threads. Each group of
threads must negotiate a large number of barriers (10000).
* spin4.c: Fixed.
* test.h (error_string): Modified the success (0) value.
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* dll.c (dllMain): Moved UWIN process attach code
to pthread_win32_process_attach_np(); moved
instance of pthread_count to global.c.
* global.c (pthread_count): Moved from dll.c.
* nonportable.c (pthread_win32_process_attach_np):
Moved _UWIN code to here from dll.c.
* implement.h (pthread_count): Define extern int.
* create.c (pthread_count): Remove extern int.
* private.c (pthread_count): Likewise.
* exit.c (pthread_count): Likewise.
Contributed by - David Korn <dgk@research.att.com>
* dll.c: Added changes necessary to work with UWIN.
* create.c: Likewise.
* pthread.h: Likewise.
* misc.c: Likewise.
* exit.c: Likewise.
* private.c: Likewise.
* implement.h: Likewise.
There is some room at the start of struct pthread_t_
to implement the signal semantics in UWIN's posix.dll
although this is not yet complete.
* Nmakefile: Compatible with UWIN's Nmake utility.
* Nmakefile.tests: Likewise - for running the tests.
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* pthread.h (rand_r): Fake using _seed argument to quell
compiler warning (compiler should optimise this away later).
* GNUmakefile (OPT): Leave symbolic information out of the library
and increase optimisation level - for smaller faster prebuilt
dlls.
2001-05-29 Ross Johnson <rpj@setup1.ise.canberra.edu.au>
Contributed by - Milan Gardian <Milan.Gardian@LEIBINGER.com>
* Makefile: fix typo.
* pthreads.h: Fix problems with stdcall/cdecl conventions, in particular
remove the need for PT_STDCALL everywhere; remove warning supression.
* (errno): Fix the longstanding "inconsistent dll linkage" problem
with errno; now also works with /MD debugging libs -
warnings emerged when compiling pthreads library with /MD (or /MDd)
compiler switch, instead of /MT (or /MTd) (i.e. when compiling pthreads
using Multithreaded DLL CRT instead of Multithreaded statically linked
CRT).
* create.c (pthread_create): Likewise; fix typo.
* private.c (ptw32_threadStart): Eliminate use of terminate() which doesn't
throw exceptions.
* Remove unnecessary #includes from a number of modules -
[I had to #include malloc.h in implement.h for gcc - rpj].
2001-05-29 Ross Johnson <rpj@setup1.ise.canberra.edu.au>
Contributed by - Thomas Pfaff <tpfaff@gmx.net>
* pthread.h (PTHREAD_MUTEX_DEFAULT): New; equivalent to
PTHREAD_MUTEX_DEFAULT_NP.
* (PTHREAD_MUTEX_NORMAL): Similarly.
* (PTHREAD_MUTEX_ERRORCHECK): Similarly.
* (PTHREAD_MUTEX_RECURSIVE): Similarly.
* (pthread_mutex_setdefaultkind_np): New; Linux compatibility stub
for pthread_mutexattr_settype.
* (pthread_mutexattr_getkind_np): New; Linux compatibility stub
for pthread_mutexattr_gettype.
* mutex.c (pthread_mutexattr_settype): New; allow
the following types of mutex:
PTHREAD_MUTEX_DEFAULT_NP
PTHREAD_MUTEX_NORMAL_NP
PTHREAD_MUTEX_ERRORCHECK_NP
PTHREAD_MUTEX_RECURSIVE_NP
* Note that PTHREAD_MUTEX_DEFAULT is equivalent to
PTHREAD_MUTEX_NORMAL - ie. mutexes should no longer
be recursive by default, and a thread will deadlock if it
tries to relock a mutex it already owns. This is inline with
other pthreads implementations.
* (pthread_mutex_lock): Process the lock request
according to the mutex type.
* (pthread_mutex_init): Eliminate use of Win32 mutexes as the
basis of POSIX mutexes - instead, a combination of one critical section
and one semaphore are used in conjunction with Win32 Interlocked* routines.
* (pthread_mutex_destroy): Likewise.
* (pthread_mutex_lock): Likewise.
* (pthread_mutex_trylock): Likewise.
* (pthread_mutex_unlock): Likewise.
* Use longjmp/setjmp to implement cancelation when building the library
using a C compiler which doesn't support exceptions, e.g. gcc -x c (note
that gcc -x c++ uses exceptions).
* Also fixed some of the same typos and eliminated PT_STDCALL as
Milan Gardian's patches above.
2001-02-07 Ross Johnson <rpj@special.ise.canberra.edu.au>
Contributed by - Alexander Terekhov <TEREKHOV@de.ibm.com>
* rwlock.c: Revamped.
* implement.h (pthread_rwlock_t_): Redefined.
This implementation does not have reader/writer starvation problem.
Rwlock attempts to behave more like a normal mutex with
races and scheduling policy determining who is more important;
It also supports recursive locking,
has less synchronization overhead (no broadcasts at all,
readers are not blocked on any condition variable) and seem to
be faster than the current implementation [W98 appears to be
approximately 15 percent faster at least - on top of speed increase
from Thomas Pfaff's changes to mutex.c - rpj].
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* 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>
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* 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.
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* 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.
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* 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.
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* 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).
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* 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.
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* 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.
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* 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.
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- asynchronous cancellation added
- attempt to hide internal exceptions from applications
- kernel32 load/free problem fixed
- new tests
- changes only to comments in some tests
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* 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>
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* 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.
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* all: Add GNU LGPL and Copyright and Warranty.
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* 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.
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* 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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* misc.c (pthread_equal): Fix inverted result.
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* 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.
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* misc.c (CancelableWait): Change C++ exception throw.
* sync.c (pthread_join): Change FIXME comment - issue resolved.
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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.
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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.
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* 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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* pthread.h: Add new 'abstime' arg to pthreadCancelableWait()
prototype.
* condvar.c (cond_timedwait): New generalised function called by
both pthread_cond_wait() and pthread_cond_timedwait(). This is
essentially pthread_cond_wait() renamed and modified to add the
'abstime' arg and call the new _pthread_sem_timedwait() instead of
sem_wait().
(pthread_cond_wait): Now just calls the internal static
function cond_timedwait() with an INFINITE wait.
(pthread_cond_timedwait): Now implemented. Calls the internal
static function cond_timedwait().
* implement.h (_pthread_sem_timedwait): New internal function
prototype.
* misc.c (pthreadCancelableWait): Added new 'abstime' argument
to allow shorter than INFINITE wait.
* semaphore.c (_pthread_sem_timedwait): New function for internal
use. This is essentially sem_wait() modified to add the
'abstime' arg and call the modified (see above)
pthreadCancelableWait().
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This will be tagged as snapshot-1999-01-04-1305
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* 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.
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* misc.c (pthread_once): Use the POSIX mutex primitives, not Win32.
Remove irrelevant FIXME comment.
* pthread.h (PTHREAD_ONCE_INIT): Define.
* tests/once1.c: New file; test for pthread_once(). Passes.
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* misc.c (pthread_equal): Correct inverted logic bug.
* tests/create1.c: New file; test pthread_create(). Passes.
* tests/equal.c: Poor test; remove.
* tests/equal1.c New file; test pthread_equal(). Passes.
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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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* 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.
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* 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.
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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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* misc.c (pthread_once): Don't use a per-application flag and
mutex--make `pthread_once_t' contain these elements in their
structure. The earlier version had incorrect semantics.
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* misc.c (pthread_once): Implement.
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* misc.c (pthread_equal): Implement.
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* misc.c (pthread_self): Implement.
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