2000-02-17 20:38:33 +01:00
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/* pthread.cc: posix pthread interface for Cygwin
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2003-01-10 13:32:49 +01:00
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Copyright 1998, 1999, 2000, 2001, 2002, 2003 Red Hat, Inc.
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2000-02-17 20:38:33 +01:00
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2001-03-18 22:11:25 +01:00
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Originally written by Marco Fuykschot <marco@ddi.nl>
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2000-02-17 20:38:33 +01:00
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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#include "winsup.h"
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2000-08-22 07:10:20 +02:00
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#include "thread.h"
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2002-09-16 12:53:29 +02:00
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#include "errno.h"
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2000-02-17 20:38:33 +01:00
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2001-03-21 03:17:58 +01:00
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extern "C"
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2000-02-17 20:38:33 +01:00
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{
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2001-03-21 03:17:58 +01:00
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/* ThreadCreation */
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2001-04-09 02:44:25 +02:00
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int
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2001-04-12 06:04:53 +02:00
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pthread_create (pthread_t * thread, const pthread_attr_t * attr,
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void *(*start_routine) (void *), void *arg)
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2001-04-09 02:44:25 +02:00
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{
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2002-09-21 05:59:58 +02:00
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return pthread::create (thread, attr, start_routine, arg);
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2001-04-09 02:44:25 +02:00
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}
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2001-04-12 06:04:53 +02:00
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int
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pthread_once (pthread_once_t * once_control, void (*init_routine) (void))
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{
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2002-09-21 05:59:58 +02:00
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return pthread::once (once_control, init_routine);
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2001-04-12 06:04:53 +02:00
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}
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2001-04-13 17:28:20 +02:00
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int
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2002-09-22 05:38:57 +02:00
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pthread_atfork (void (*prepare)(void), void (*parent)(void), void (*child)(void))
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2001-04-13 17:28:20 +02:00
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{
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2002-09-22 05:38:57 +02:00
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return pthread::atfork (prepare, parent, child);
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2001-04-13 17:28:20 +02:00
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}
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2000-02-17 20:38:33 +01:00
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/* Thread Exit */
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2001-04-12 06:04:53 +02:00
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void
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pthread_exit (void *value_ptr)
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2001-04-09 02:44:25 +02:00
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{
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2002-09-22 05:38:57 +02:00
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return pthread::self ()->exit (value_ptr);
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2001-04-09 02:44:25 +02:00
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}
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2001-04-12 06:04:53 +02:00
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int
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pthread_join (pthread_t thread, void **return_val)
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2001-04-09 02:44:25 +02:00
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{
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2002-09-21 05:59:58 +02:00
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return pthread::join (&thread, (void **) return_val);
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2001-04-09 02:44:25 +02:00
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}
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2001-04-12 06:04:53 +02:00
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int
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pthread_detach (pthread_t thread)
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2001-04-09 02:44:25 +02:00
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{
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2002-09-21 05:59:58 +02:00
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return pthread::detach (&thread);
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2001-04-09 02:44:25 +02:00
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}
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2001-04-12 06:04:53 +02:00
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/* This isn't a posix call... should we keep it? */
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int
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pthread_suspend (pthread_t thread)
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2001-04-09 02:44:25 +02:00
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{
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2002-09-21 05:59:58 +02:00
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return pthread::suspend (&thread);
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2001-04-09 02:44:25 +02:00
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}
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2001-04-12 06:04:53 +02:00
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/* same */
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int
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pthread_continue (pthread_t thread)
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2001-04-09 02:44:25 +02:00
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{
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2002-09-21 05:59:58 +02:00
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return pthread::resume (&thread);
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2001-04-09 02:44:25 +02:00
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}
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2001-04-12 06:04:53 +02:00
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unsigned long
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pthread_getsequence_np (pthread_t * thread)
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2001-04-09 02:44:25 +02:00
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{
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2002-09-16 12:53:29 +02:00
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if (!pthread::isGoodObject (thread))
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return EINVAL;
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2002-09-22 05:38:57 +02:00
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return (*thread)->getsequence_np ();
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2001-04-09 02:44:25 +02:00
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}
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2000-02-17 20:38:33 +01:00
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/* ID */
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2001-04-09 02:44:25 +02:00
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pthread_t pthread_self ()
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{
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2002-09-22 05:38:57 +02:00
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return pthread::self ();
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2001-04-09 02:44:25 +02:00
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}
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2000-02-17 20:38:33 +01:00
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/* Mutexes */
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2001-04-09 02:44:25 +02:00
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int
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2001-04-12 06:04:53 +02:00
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pthread_mutex_init (pthread_mutex_t * mutex, const pthread_mutexattr_t * attr)
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2001-04-09 02:44:25 +02:00
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{
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2002-09-30 01:47:45 +02:00
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return pthread_mutex::init (mutex, attr);
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2001-04-09 02:44:25 +02:00
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}
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2001-03-17 02:14:58 +01:00
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/* Synchronisation */
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2001-04-09 02:44:25 +02:00
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int
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2001-04-12 06:04:53 +02:00
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pthread_cond_init (pthread_cond_t * cond, const pthread_condattr_t * attr)
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2001-04-09 02:44:25 +02:00
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{
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2003-01-09 21:40:44 +01:00
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return pthread_cond::init (cond, attr);
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2001-04-09 02:44:25 +02:00
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}
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* cygwin.din: Add pthread_rwlock_destroy, pthread_rwlock_init,
pthread_rwlock_rdlock, pthread_rwlock_tryrdlock,
pthread_rwlock_wrlock, pthread_rwlock_trywrlock,
pthread_rwlock_unlock, pthread_rwlockattr_init,
pthread_rwlockattr_getpshared, pthread_rwlockattr_setpshared,
and pthread_rwlockattr_destroy.
* include/cygwin/version.h: Bump API minor number.
* include/pthread.h (PTHREAD_RWLOCK_INITIALIZER): Define a
reasonable value.
Add prototypes for pthread_rwlock_destroy, pthread_rwlock_init,
pthread_rwlock_rdlock, pthread_rwlock_tryrdlock,
pthread_rwlock_wrlock, pthread_rwlock_trywrlock,
pthread_rwlock_unlock, pthread_rwlockattr_init,
pthread_rwlockattr_getpshared, pthread_rwlockattr_setpshared,
and pthread_rwlockattr_destroy.
* thread.h (PTHREAD_ONCE_MAGIC): Remove superflous semicolon.
(PTHREAD_RWLOCK_MAGIC): New define.
(PTHREAD_RWLOCKATTR_MAGIC): Ditto.
(pthread_rwlockattr): New class.
(pthread_rwlock): Ditto.
(MTinterface::rwlocks): New member.
(MTinterface::MTinterface): Initialize rwlocks.
Add prototypes for __pthread_rwlock_destroy,
__pthread_rwlock_wrlock, __pthread_rwlock_trywrlock,
__pthread_rwlock_unlock, __pthread_rwlockattr_init,
__pthread_rwlockattr_getpshared, __pthread_rwlockattr_setpshared,
and __pthread_rwlockattr_destroy.
* thread.cc (MTinterface::Init): Initialize rwlock internal mutex.
(MTinterface::fixup_after_fork): Fixup rwlocks after fork.
(pthread_rwlockattr::isGoodObject): Implement.
(pthread_rwlockattr::pthread_rwlockattr): Ditto.
(pthread_rwlockattr::~pthread_rwlockattr): Ditto.
(pthread_rwlock::initMutex): Ditto.
(pthread_rwlock::pthread_rwlock): Ditto.
(pthread_rwlock::~pthread_rwlock): Ditto.
(pthread_rwlock::RdLock): Ditto.
(pthread_rwlock::TryRdLock): Ditto.
(pthread_rwlock::WrLock): Ditto.
(pthread_rwlock::TryWrLock): Ditto.
(pthread_rwlock::UnLock): Ditto.
(pthread_rwlock::addReader): Ditto.
(pthread_rwlock::removeReader): Ditto.
(pthread_rwlock::lookupReader): Ditto.
(pthread_rwlock::RdLockCleanup): Ditto.
(pthread_rwlock::WrLockCleanup): Ditto.
(pthread_rwlock::fixup_after_fork): Ditto.
(pthread_rwlock::isGoodObject): Ditto.
(pthread_rwlock::isGoodInitializer): Ditto.
(pthread_rwlock::isGoodInitializerOrObject): Ditto.
(pthread_rwlock::isGoodInitializerOrBadObject): Ditto.
(__pthread_rwlock_destroy): Ditto.
(pthread_rwlock::init): Ditto.
(__pthread_rwlock_rdlock): Ditto.
(__pthread_rwlock_tryrdlock): Ditto.
(__pthread_rwlock_wrlock): Ditto.
(__pthread_rwlock_trywrlock): Ditto.
2003-03-18 21:01:07 +01:00
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/* RW Locks */
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int
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pthread_rwlock_init (pthread_rwlock_t *rwlock, const pthread_rwlockattr_t *attr)
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{
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return pthread_rwlock::init (rwlock, attr);
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}
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2001-04-12 06:04:53 +02:00
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/* Cancelability */
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int
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pthread_cancel (pthread_t thread)
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{
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2002-09-21 05:59:58 +02:00
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return pthread::cancel (thread);
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2001-04-12 06:04:53 +02:00
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}
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int
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pthread_setcancelstate (int state, int *oldstate)
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{
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2002-09-22 05:38:57 +02:00
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return pthread::self ()->setcancelstate (state, oldstate);
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2001-04-12 06:04:53 +02:00
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}
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int
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pthread_setcanceltype (int type, int *oldtype)
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{
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2002-09-22 05:38:57 +02:00
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return pthread::self ()->setcanceltype (type, oldtype);
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2001-04-12 06:04:53 +02:00
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}
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void
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pthread_testcancel (void)
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{
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2002-09-22 05:38:57 +02:00
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pthread::self ()->testcancel ();
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2001-04-12 06:04:53 +02:00
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}
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2002-06-10 03:10:45 +02:00
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void
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_pthread_cleanup_push (__pthread_cleanup_handler *handler)
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{
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2002-09-22 05:38:57 +02:00
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pthread::self ()->push_cleanup_handler (handler);
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2002-06-10 03:10:45 +02:00
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}
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void
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_pthread_cleanup_pop (int execute)
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{
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2002-09-22 05:38:57 +02:00
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pthread::self ()->pop_cleanup_handler (execute);
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2002-06-10 03:10:45 +02:00
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}
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2000-02-17 20:38:33 +01:00
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/* Semaphores */
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2001-04-12 06:04:53 +02:00
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int
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sem_init (sem_t * sem, int pshared, unsigned int value)
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2001-04-09 02:44:25 +02:00
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{
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2002-09-21 05:59:58 +02:00
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return semaphore::init (sem, pshared, value);
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2001-04-09 02:44:25 +02:00
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}
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2001-04-12 06:04:53 +02:00
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int
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sem_destroy (sem_t * sem)
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2001-04-09 02:44:25 +02:00
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{
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2002-09-21 05:59:58 +02:00
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return semaphore::destroy (sem);
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2001-04-09 02:44:25 +02:00
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}
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2001-04-12 06:04:53 +02:00
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int
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sem_wait (sem_t * sem)
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2001-04-09 02:44:25 +02:00
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{
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2002-09-21 05:59:58 +02:00
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return semaphore::wait (sem);
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2001-04-09 02:44:25 +02:00
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}
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2001-04-12 06:04:53 +02:00
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int
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sem_trywait (sem_t * sem)
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2001-04-09 02:44:25 +02:00
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{
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2002-09-21 05:59:58 +02:00
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return semaphore::trywait (sem);
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2001-04-09 02:44:25 +02:00
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}
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2001-04-12 06:04:53 +02:00
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int
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sem_post (sem_t * sem)
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2001-04-09 02:44:25 +02:00
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{
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2002-09-21 05:59:58 +02:00
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return semaphore::post (sem);
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2001-04-09 02:44:25 +02:00
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}
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2001-04-12 06:04:53 +02:00
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2000-02-17 20:38:33 +01:00
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}
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