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section calls.
(pthread_mutex_destroy): Likewise.
(pthread_mutex_unlock): Likewise.
(pthread_mutex_trylock): Likewise; recursive mutexes
now increment the lock count rather than return EBUSY;
errorcheck mutexes return EDEADLCK rather than
EBUSY. This behaviour is consistent with the Solaris
pthreads implementation.
* implement.h (pthread_mutex_t_): Remove critical
section element - no longer needed.
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checking and actually store the scope value even
though it's not really necessary.
(pthread_attr_getscope): Return stored value.
* implement.h (pthread_attr_t_): Add new scope element.
* ANNOUNCE: Fix out of date comment next to
pthread_attr_setscope in conformance section.
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not thread-safe.
(pthread_mutex_trylock): Likewise.
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the calloc NULL check was left in the conditionally included section.
(sem_destroy): Likewise, the calloced sem_t wasn't being freed.
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in conditionally compiled code. Only older versions of
WinCE require this code, hence it doesn't normally get
tested.
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WSAGetLastError() and WSASetLastError().
* Makefile (wsock32.lib): Likewise.
* create.c: Minor mostly inert changes.
* implement.h (PTW32_MAX): Move into here and renamed
from sched.h.
(PTW32_MIN): Likewise.
* GNUmakefile (TEST_ICE): Define if testing internal
implementation of InterlockedCompareExchange.
* Makefile (TEST_ICE): Likewise.
* private.c (TEST_ICE): Likewise.
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implement.h; rename to PTW32_INTERLOCKED_LONG and
PTW32_INTERLOCKED_LPLONG respectively.
* spin.c: Likewise; ptw32_interlocked_compare_exchange used
in place of InterlockedCompareExchange directly.
* global.c (ptw32_interlocked_compare_exchange): Add
prototype for this new routine pointer to be used when
InterlockedCompareExchange isn't supported by Windows.
* nonportable.c (pthread_win32_process_attach_np): Check for
support of InterlockedCompareExchange in kernel32 and assign its
address to ptw32_interlocked_compare_exchange if it exists, or
our own ix86 specific implementation ptw32_InterlockedCompareExchange.
*private.c (ptw32_InterlockedCompareExchange): An
implementation of InterlockedCompareExchange() which is
specific to ix86; written directly in assembler for either
MSVC or GNU C; needed because Windows 95 doesn't support
InterlockedCompareExchange().
* sched.c (sched_get_priority_min): Extend to return
THREAD_PRIORITY_IDLE.
(sched_get_priority_max): Extend to return
THREAD_PRIORITY_CRITICAL.
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from LCC by conditionally compiling the stacksize
validity check. LCC correctly warns that the condition
(stacksize < PTHREAD_STACK_MIN) is suspicious
because STACK_MIN is 0 and stacksize is of type
size_t (or unsigned int).
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was causing a program fault.
(pthread_spin_init): Could have alloced memory
without freeing under some error conditions.
* mutex.c (pthread_mutex_init): Move memory
allocation of mutex struct after checking for
PROCESS_SHARED.
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EPERM if the spinlock was not locked, for multi CPU
machines.
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that is no longer used.
* implement.h: Likewise.
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* condvar.c (pthread_cond_destroy): fix bug with
respect to deadlock in the case of concurrent
_destroy/_unblock; a condition variable can be destroyed
immediately after all the threads that are blocked on
it are awakened.
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winsock error [from WSAGetLastError()].
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a cancelation point; re-enable deferred cancelability
around the CV call.
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Contributed by - "Scott McCaskill" <scott@magruder.org>
* mutex.c (pthread_mutexattr_init): Return ENOMEM
immediately and don't dereference the NULL pointer
if calloc fails.
(pthread_mutexattr_getpshared): Don't dereference
a pointer that is possibly NULL.
* barrier.c (pthread_barrierattr_init): Likewise
(pthread_barrierattr_getpshared): Don't dereference
a pointer that is possibly NULL.
* condvar.c (pthread_condattr_getpshared): Don't dereference
a pointer that is possibly NULL.
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immediately and don't dereference the NULL pointer
if calloc fails.
- "Scott McCaskill" <scott@magruder.org>
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* barrier.c: Still more revamping. The exclusive access
mutex isn't really needed so it has been removed and replaced
by an InterlockedDecrement(). nSerial has been removed.
iStep is now dual-purpose. The process shared attribute
is now stored in the barrier struct.
* implement.h (pthread_barrier_t_): Lost some/gained one
elements.
* private.c (ptw32_threadStart): Removed some comments.
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semaphores are used instead of the PulseEvent. Also improved
overall throughput by returning PTHREAD_BARRIER_SERIAL_THREAD
to the first waking thread.
* implement.h (pthread_barrier_t_): Revamped.
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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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* spin.c: Revamped and working; included static initialiser.
* barrier.c: Likewise.
* condvar.c: Macro constant change; inline auto init routine.
* mutex.c: Likewise.
* rwlock.c: Likewise.
* private.c: Add support for spinlock initialiser.
* global.c: Likewise.
* implement.h: Likewise.
* pthread.h (PTHREAD_SPINLOCK_INITIALIZER): Fix typo.
tests/ChangeLog:
* spin3.c: Changed test and fixed.
* spin4.c: Fixed.
* barrier3.c: Fixed.
* barrier4.c: Fixed.
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for this object.
* pthread.h (PTHREAD_BARRIER_INITIALIZER): Removed.
* rwlock.c (pthread_rwlock_wrlock): This routine is
not a cancelation point - disable deferred
cancelation around call to pthread_cond_wait().
tests/ChangeLog:
* spin1.c: New; testing spinlocks.
* spin2.c: New; testing spinlocks.
* spin3.c: New; testing spinlocks.
* spin4.c: New; testing spinlocks.
* barrier1.c: New; testing barriers.
* barrier2.c: New; testing barriers.
* barrier3.c: New; testing barriers.
* barrier4.c: New; testing barriers.
* GNUmakefile: Add new tests.
* Makefile: Add new tests.
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* spin.c: New module implementing spin locks.
* barrier.c: New module implementing barriers.
* pthread.h (_POSIX_SPIN_LOCKS): defined.
(_POSIX_BARRIERS): Defined.
(pthread_spin_*): Defined.
(pthread_barrier*): Defined.
(PTHREAD_BARRIER_SERIAL_THREAD): Defined.
* implement.h (pthread_spinlock_t_): Defined.
(pthread_barrier_t_): Defined.
(pthread_barrierattr_t_): Defined.
* mutex.c (pthread_mutex_lock): Return with the error
if an auto-initialiser initialisation fails.
* nonportable.c (pthread_getprocessors_np): New; gets the
number of available processors for the current process.
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Update ANNOUNCE to get ready for new snapshot.
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Contributed by - Alexander Terekhov.
* condvar.c: Fixed lost signal bug reported by Timur Aydin
(taydin@snet.net).
[RPJ (me) didn't translate the original algorithm
correctly.]
* semaphore.c: Added sem_post_multiple; this is a useful
routine, but it doesn't appear to be standard. For now it's
not an exported function.
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* create.c (pthread_create): Add priority inheritance
attributes.
* mutex.c (pthread_mutex_lock): Remove some overhead for
PTHREAD_MUTEX_NORMAL mutex types. Specifically, avoid
calling pthread_self() and pthread_equal() to check/set
the mutex owner. Introduce a new pseudo owner for this
type. Test results suggest increases in speed of up to
90% for non-blocking locks.
This is the default type of mutex used internally by other
synchronising objects, ie. condition variables and
read-write locks. The test rwlock7.c shows about a
30-35% speed increase over snapshot 2001-06-06. The
price of this is that the application developer
must ensure correct behaviour, or explicitly set the
mutex to a safer type such as PTHREAD_MUTEX_ERRORCHECK.
For example, PTHREAD_MUTEX_NORMAL (or PTHREAD_MUTEX_DEFAULT)
type mutexes will not return an error if a thread which is not
the owner calls pthread_mutex_unlock. The call will succeed
in unlocking the mutex if it is currently locked, but a
subsequent unlock by the true owner will then fail with EPERM.
This is however consistent with some other implementations.
(pthread_mutex_unlock): Likewise.
(pthread_mutex_trylock): Likewise.
(pthread_mutex_destroy): Likewise.
* attr.c (pthread_attr_init): PTHREAD_EXPLICIT_SCHED is the
default inheritance attribute; THREAD_PRIORITY_NORMAL is
the default priority for new threads.
* sched.c (pthread_attr_setschedpolicy): Added routine.
(pthread_attr_getschedpolicy): Added routine.
(pthread_attr_setinheritsched): Added routine.
(pthread_attr_getinheritsched): Added routine.
* pthread.h (sched_rr_set_interval): Added as a macro;
returns -1 with errno set to ENOSYS.
2001-06-23 Ross Johnson <rpj@setup1.ise.canberra.edu.au>
*sched.c (pthread_attr_setschedparam): Add priority range
check.
(sched_setscheduler): New function; checks for a valid
pid and policy; checks for permission to set information
in the target process; expects pid to be a Win32 process ID,
not a process handle; the only scheduler policy allowed is
SCHED_OTHER.
(sched_getscheduler): Likewise, but checks for permission
to query.
* pthread.h (SCHED_*): Moved to sched.h as defined in the
POSIX standard.
* sched.h (SCHED_*): Moved from pthread.h.
(pid_t): Defined if necessary.
(sched_setscheduler): Defined.
(sched_getscheduler): Defined.
* pthread.def (sched_setscheduler): Exported.
(sched_getscheduler): Likewise.
2001-06-23 Ross Johnson <rpj@setup1.ise.canberra.edu.au>
Contributed by - Ralf Brese <Ralf.Brese@pdb4.siemens.de>
* create.c (pthread_create): Set thread priority from
thread attributes.
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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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* implement.h (sem_t_): Likewise.
* semaphore.c: Likewise.
* private.c (ptw32_sem_timedwait): Updated to use new
opaque sem_t.
tests/
* mutex5.c: Insert inert change to quell compiler warnings.
* condvar3_2.c: Remove unused variable.
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moved actual definition to implement.h.
* implement.h (sem_t_): Move here from semaphore.h;
was the definition of sem_t.
* semaphore.c: Wherever necessary, changed use of sem
from that of a pointer to a pointer-pointer; added
extra checks for a valid sem_t; NULL sem_t when
it is destroyed; added extra checks when creating
and destroying sem_t elements in the NEED_SEM
code branches; changed from using a pthread_mutex_t
((*sem)->mutex) to CRITICAL_SECTION ((*sem)->sem_lock_cs)
in NEED_SEM branches for access serialisation.
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ptw32_mutex_default_kind.
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Remove - should not have been included in the first place.
(pthread_mutex_getdefaultkind_np): Likewise.
* global.c (ptw32_mutex_default_kind): Likewise.
* mutex.c (pthread_mutex_init): Remove use of
ptw32_mutex_default_kind.
* pthread.h (pthread_mutex_setdefaultkind_np): Likewise.
(pthread_mutex_getdefaultkind_np): Likewise.
* pthread.def (pthread_mutexattr_setkind_np): Added.
(pthread_mutexattr_getkind_np): Likewise.
* README: Many changes that should have gone in before
the last snapshot.
* README.NONPORTABLE: New - referred to by ANNOUNCE
but never created; documents the non-portable routines
included in the library - moved from README with new
routines added.
* ANNOUNCE (pthread_mutexattr_setkind_np): Added to
compliance list.
(pthread_mutexattr_getkind_np): Likewise.
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2001-06-03 Ross Johnson <rpj@setup1.ise.canberra.edu.au>
Contributed by - Alexander Terekhov <TEREKHOV@de.ibm.com>
- Louis Thomas <lthomas@arbitrade.com>
* condvar.c (pthread_cond_init): Completely revamped.
(pthread_cond_destroy): Likewise.
(ptw32_cond_wait_cleanup): Likewise.
(ptw32_cond_timedwait): Likewise.
(ptw32_cond_unblock): New general signaling routine.
(pthread_cond_signal): Now calls ptw32_cond_unblock.
(pthread_cond_broadcast): Likewise.
* implement.h (pthread_cond_t_): Revamped.
* README.CV: New; explanation of the above changes.
pthreads/tests:
2001-06-3 Ross Johnson <rpj@special.ise.canberra.edu.au>
* condvar2_1.c: New test.
* condvar3_1.c: New test.
* condvar3_2.c: New test.
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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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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.
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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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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.
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* 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>
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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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* 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*.
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* private.c (ptw32_throw): Fix exception test;
move exceptionInformation declaration.
* tsd.c (pthread_key_create): newkey wrongly declared.
* pthread.h: Fix comment block.
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* 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.
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* implement.h (PTW32_EPS_CANCEL/PTW32_EPS_EXIT):
Must be defined for all compilers - used as generic
exception selectors by ptw32_throw().
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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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* tsd.c (pthread_create_key): Initialise temporary
key before returning it's address to avoid race
conditions.
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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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