(pthread_spin_init): Export. (pthread_spin_lock): Export. (pthread_spin_trylock): Export. (pthread_spin_unlock): Export. * posix.sgml (std-susv4): Add pthread_spin_destroy, pthread_spin_init, pthread_spin_lock, pthread_spin_trylock, pthread_spin_unlock. (std-notimpl): Remove pthread_spin_[...]. * pthread.cc (pthread_spin_init): New function. * thread.cc (pthread_spinlock::is_good_object): New function. (pthread_mutex::pthread_mutex): Rearrange initializers to accommodate protected data in pthread_mutex. (pthread_spinlock::pthread_spinlock): New constructor. (pthread_spinlock::lock): New method. (pthread_spinlock::unlock): New method. (pthread_spinlock::init): New method. (pthread_spin_lock): New function. (pthread_spin_trylock): New function. (pthread_spin_unlock): New function. (pthread_spin_destroy): New function. * thread.h (PTHREAD_SPINLOCK_MAGIC): Define. (class pthread_mutex): Change access level of members shared with derived classes to protected. (pthread_mutex::set_shared): New protected method. (class pthread_spinlock): New class, derived class of pthread_mutex. * include/pthread.h (pthread_spin_destroy): Declare. (pthread_spin_init): Declare. (pthread_spin_lock): Declare. (pthread_spin_trylock): Declare. (pthread_spin_unlock): Declare. * include/cygwin/types.h (pthread_spinlock_t): New typedef. * include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.
		
			
				
	
	
		
			198 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			198 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/* pthread.cc: posix pthread interface for Cygwin
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   Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2005, 2007, 2011 Red Hat, Inc.
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   Originally written by Marco Fuykschot <marco@ddi.nl>
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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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#include "thread.h"
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extern "C"
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{
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/*  ThreadCreation */
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int
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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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{
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  return pthread::create (thread, attr, start_routine, arg);
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}
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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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  return pthread::once (once_control, init_routine);
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}
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int
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pthread_atfork (void (*prepare)(void), void (*parent)(void), void (*child)(void))
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{
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  return pthread::atfork (prepare, parent, child);
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}
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/* Thread Exit */
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void
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pthread_exit (void *value_ptr)
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{
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  return pthread::self ()->exit (value_ptr);
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}
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int
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pthread_join (pthread_t thread, void **return_val)
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{
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  return pthread::join (&thread, (void **) return_val);
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}
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int
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pthread_detach (pthread_t thread)
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{
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  return pthread::detach (&thread);
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}
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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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{
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  return pthread::suspend (&thread);
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}
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/* same */
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int
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pthread_continue (pthread_t thread)
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{
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  return pthread::resume (&thread);
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}
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unsigned long
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pthread_getsequence_np (pthread_t * thread)
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{
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  if (!pthread::is_good_object (thread))
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    return EINVAL;
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  return (*thread)->getsequence_np ();
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}
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/*  ID */
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pthread_t pthread_self ()
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{
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  return pthread::self ();
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}
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/* Mutexes  */
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int
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pthread_mutex_init (pthread_mutex_t * mutex, const pthread_mutexattr_t * attr)
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{
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  return pthread_mutex::init (mutex, attr, NULL);
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}
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/* Spinlocks */
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int
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pthread_spin_init (pthread_spinlock_t *spinlock, int pshared)
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{
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  return pthread_spinlock::init (spinlock, pshared);
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}
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/* Synchronisation */
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int
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pthread_cond_init (pthread_cond_t * cond, const pthread_condattr_t * attr)
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{
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  return pthread_cond::init (cond, attr);
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}
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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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/* Cancelability */
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int
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pthread_cancel (pthread_t thread)
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{
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  return pthread::cancel (thread);
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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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  return pthread::self ()->setcancelstate (state, oldstate);
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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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  return pthread::self ()->setcanceltype (type, oldtype);
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}
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void
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pthread_testcancel ()
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{
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  pthread::self ()->testcancel ();
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}
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void
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_pthread_cleanup_push (__pthread_cleanup_handler *handler)
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{
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  pthread::self ()->push_cleanup_handler (handler);
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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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  pthread::self ()->pop_cleanup_handler (execute);
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}
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/* Semaphores */
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int
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sem_init (sem_t * sem, int pshared, unsigned int value)
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{
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  return semaphore::init (sem, pshared, value);
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}
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int
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sem_destroy (sem_t * sem)
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{
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  return semaphore::destroy (sem);
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}
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int
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sem_wait (sem_t * sem)
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{
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  return semaphore::wait (sem);
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}
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int
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sem_trywait (sem_t * sem)
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{
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  return semaphore::trywait (sem);
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}
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int
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sem_timedwait (sem_t * sem, const struct timespec *abstime)
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{
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  return semaphore::timedwait (sem, abstime);
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}
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int
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sem_post (sem_t * sem)
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{
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  return semaphore::post (sem);
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}
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int
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sem_getvalue (sem_t * sem, int *sval)
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{
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  return semaphore::getvalue (sem, sval);
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}
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}
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