* pthread.cc (pthread_cond_timedwait): Deleted - exported from thread.cc.
        (pthread_cond_wait): Deleted - exported from thread.cc.
        * thread.cc (pthread_cond::BroadCast): Update to use the new syntax for
        verifyable_object_isvalid ().
        (pthread_cond::Signal): Ditto. Also attempt to fix the lost signal race
        with pthread_cond::TimedWait().
        (check_valid_pointer): Change definiton to void const *.
        (verifyable_object_isvalid): Add new parameter to allow identification of
        static initializers, and return a enum rather than magic numbers.
        (__pthread_create): Ditto.
        (__pthread_cleanup): Ditto.
        (__pthread_attr_init): Ditto.
        (__pthread_attr_getinheritsched): Ditto.
        (__pthread_attr_getschedparam): Ditto.
        (__pthread_attr_getschedpolicy): Ditto.
        (__pthread_attr_getscope): Ditto.
        (__pthread_attr_setdetachstate): Ditto.
        (__pthread_attr_getdetachstate): Ditto.
        (__pthread_attr_setinheritsched): Ditto.
        (__pthread_attr_setschedparam): Ditto.
        (__pthread_attr_setschedpolicy): Ditto.
        (__pthread_attr_setscope): Ditto.
        (__pthread_attr_setstacksize): Ditto.
        (__pthread_attr_getstacksize): Ditto.
        (__pthread_attr_destroy): Ditto.
        (__pthread_join): Ditto.
        (__pthread_detach): Ditto.
        (__pthread_suspend): Ditto.
        (__pthread_continue): Ditto.
        (__pthread_getschedparam): Ditto.
        (__pthread_getsequence_np): Ditto.
        (__pthread_key_create): Ditto.
        (__pthread_key_delete): Ditto.
        (__pthread_setschedparam): Ditto.
        (__pthread_setspecific): Ditto.
        (__pthread_getspecific): Ditto.
        (__pthread_cond_destroy): Ditto.
        (__pthread_cond_init): Ditto.
        (__pthread_cond_broadcast): Ditto.
        (__pthread_cond_signal): Ditto.
        (__pthread_condattr_init): Ditto.
        (__pthread_condattr_getpshared): Ditto.
        (__pthread_condattr_setpshared): Ditto.
        (__pthread_condattr_destroy): Ditto.
        (__pthread_kill): Ditto.
        (__pthread_mutex_init): Ditto.
        (__pthread_mutex_getprioceiling): Ditto.
        (__pthread_mutex_lock): Ditto.
        (__pthread_mutex_trylock): Ditto.
        (__pthread_mutex_unlock): Ditto.
        (__pthread_mutex_destroy): Ditto.
        (__pthread_mutex_setprioceiling): Ditto.
        (__pthread_mutexattr_getprotocol): Ditto.
        (__pthread_mutexattr_getpshared): Ditto.
        (__pthread_mutexattr_gettype): Ditto.
        (__pthread_mutexattr_init): Ditto.
        (__pthread_mutexattr_destroy): Ditto.
        (__pthread_mutexattr_setprotocol): Ditto.
        (__pthread_mutexattr_setprioceiling): Ditto.
        (__pthread_mutexattr_getprioceiling): Ditto.
        (__pthread_mutexattr_setpshared): Ditto.
        (__pthread_mutexattr_settype): Ditto.
        (__sem_init): Ditto.
        (__sem_destroy): Ditto.
        (__sem_wait): Ditto.
        (__sem_trywait): Ditto.
        (__sem_post): Ditto.
        (__pthread_cond_dowait): New function, contains core logic from
        __pthread_cond_wait and __pthread_cond_timedwait. Decrement (*cond)->waiting
        before reentering the cond access mutex to allow detection of lost signals.
        (__pthread_cond_timedwait): Rename to pthread_cond_timedwait, and call
        __pthread_cond_dowait after calculating the wait length.
        (__pthread_cond_wait): Rename to pthread_cond_wait, and call
        __pthread_cond_dowait.
        * thread.h: New enum for use with verifyable_object_isvalid.
        Remove the extern exporting of __pthread_cond_timedwait and __pthread_cond_wait.
		
	
		
			
				
	
	
		
			480 lines
		
	
	
		
			8.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			480 lines
		
	
	
		
			8.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/* pthread.cc: posix pthread interface for Cygwin
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   Copyright 1998, 1999, 2000, 2001 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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int
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pthread_attr_init (pthread_attr_t * attr)
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{
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  return __pthread_attr_init (attr);
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}
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int
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pthread_attr_destroy (pthread_attr_t * attr)
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{
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  return __pthread_attr_destroy (attr);
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}
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int
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pthread_attr_setdetachstate (pthread_attr_t * attr, int detachstate)
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{
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  return __pthread_attr_setdetachstate (attr, detachstate);
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}
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int
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pthread_attr_getdetachstate (const pthread_attr_t * attr, int *detachstate)
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{
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  return __pthread_attr_getdetachstate (attr, detachstate);
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}
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int
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pthread_attr_setstacksize (pthread_attr_t * attr, size_t size)
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{
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  return __pthread_attr_setstacksize (attr, size);
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}
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int
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pthread_attr_getstacksize (const pthread_attr_t * attr, size_t * size)
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{
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  return __pthread_attr_getstacksize (attr, size);
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}
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int
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pthread_attr_setinheritsched (pthread_attr_t * attr, int inheritsched)
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{
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  return __pthread_attr_setinheritsched (attr, inheritsched);
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}
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int
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pthread_attr_getinheritsched (const pthread_attr_t * attr, int *inheritsched)
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{
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  return __pthread_attr_getinheritsched (attr, inheritsched);
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}
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int
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pthread_attr_setschedparam (pthread_attr_t * attr,
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			    const struct sched_param *param)
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{
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  return __pthread_attr_setschedparam (attr, param);
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}
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int
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pthread_attr_getschedparam (const pthread_attr_t * attr,
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			    struct sched_param *param)
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{
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  return __pthread_attr_getschedparam (attr, param);
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}
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int
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pthread_attr_setschedpolicy (pthread_attr_t * attr, int policy)
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{
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  return __pthread_attr_setschedpolicy (attr, policy);
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}
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int
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pthread_attr_getschedpolicy (const pthread_attr_t * attr, int *policy)
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{
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  return __pthread_attr_getschedpolicy (attr, policy);
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}
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int
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pthread_attr_setscope (pthread_attr_t * attr, int contentionscope)
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{
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  return __pthread_attr_setscope (attr, contentionscope);
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}
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int
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pthread_attr_getscope (const pthread_attr_t * attr, int *contentionscope)
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{
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  return __pthread_attr_getscope (attr, contentionscope);
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}
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#ifdef _POSIX_THREAD_ATTR_STACKADDR
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int
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pthread_attr_setstackaddr (pthread_attr_t * attr, void *stackaddr)
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{
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  return __pthread_attr_setstackaddr (attr, stackaddr);
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}
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int
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pthread_attr_getstackaddr (const pthread_attr_t * attr, void **stackaddr)
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{
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  return __pthread_attr_getstackaddr (attr, stackaddr);
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}
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#endif
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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_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_continue (&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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  return __pthread_getsequence_np (thread);
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}
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/* Thread SpecificData */
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int
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pthread_key_create (pthread_key_t * key, void (*destructor) (void *))
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{
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  return __pthread_key_create (key, destructor);
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}
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int
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pthread_key_delete (pthread_key_t key)
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{
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  return __pthread_key_delete (key);
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}
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int
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pthread_setspecific (pthread_key_t key, const void *value)
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{
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  return __pthread_setspecific (key, value);
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}
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void *
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pthread_getspecific (pthread_key_t key)
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{
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  return (void *) __pthread_getspecific (key);
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}
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/* Thread signal */
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int
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pthread_kill (pthread_t thread, int sig)
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{
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  return __pthread_kill (thread, sig);
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}
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int
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pthread_sigmask (int operation, const sigset_t * set, sigset_t * old_set)
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{
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  return __pthread_sigmask (operation, set, old_set);
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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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int
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pthread_equal (pthread_t t1, pthread_t t2)
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{
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  return __pthread_equal (&t1, &t2);
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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);
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}
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int
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pthread_mutex_lock (pthread_mutex_t * mutex)
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{
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  return __pthread_mutex_lock (mutex);
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}
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int
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pthread_mutex_trylock (pthread_mutex_t * mutex)
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{
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  return __pthread_mutex_trylock (mutex);
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}
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int
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pthread_mutex_unlock (pthread_mutex_t * mutex)
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{
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  return __pthread_mutex_unlock (mutex);
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}
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int
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pthread_mutex_destroy (pthread_mutex_t * mutex)
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{
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  return __pthread_mutex_destroy (mutex);
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}
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int
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pthread_mutex_setprioceiling (pthread_mutex_t * mutex,
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			      int prioceiling, int *old_ceiling)
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{
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  return __pthread_mutex_setprioceiling (mutex, prioceiling, old_ceiling);
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}
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int
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pthread_mutex_getprioceiling (const pthread_mutex_t * mutex, int *prioceiling)
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{
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  return __pthread_mutex_getprioceiling (mutex, prioceiling);
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}
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int
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pthread_mutexattr_destroy (pthread_mutexattr_t * attr)
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{
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  return __pthread_mutexattr_destroy (attr);
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}
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int
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pthread_mutexattr_getprioceiling (const pthread_mutexattr_t * attr,
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				  int *prioceiling)
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{
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  return __pthread_mutexattr_getprioceiling (attr, prioceiling);
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}
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int
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pthread_mutexattr_getprotocol (const pthread_mutexattr_t * attr,
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			       int *protocol)
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{
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  return __pthread_mutexattr_getprotocol (attr, protocol);
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}
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int
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pthread_mutexattr_getpshared (const pthread_mutexattr_t * attr, int *pshared)
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{
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  return __pthread_mutexattr_getpshared (attr, pshared);
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}
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int
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pthread_mutexattr_gettype (const pthread_mutexattr_t * attr, int *type)
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{
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  return __pthread_mutexattr_gettype (attr, type);
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}
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int
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pthread_mutexattr_init (pthread_mutexattr_t * attr)
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{
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  return __pthread_mutexattr_init (attr);
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}
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int
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pthread_mutexattr_setprioceiling (pthread_mutexattr_t * attr, int prioceiling)
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{
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  return __pthread_mutexattr_setprioceiling (attr, prioceiling);
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}
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int
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pthread_mutexattr_setprotocol (pthread_mutexattr_t * attr, int protocol)
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{
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  return __pthread_mutexattr_setprotocol (attr, protocol);
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}
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int
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pthread_mutexattr_setpshared (pthread_mutexattr_t * attr, int pshared)
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{
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  return __pthread_mutexattr_setpshared (attr, pshared);
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}
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int
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pthread_mutexattr_settype (pthread_mutexattr_t * attr, int type)
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{
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  return __pthread_mutexattr_settype (attr, type);
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}
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/* Synchronisation */
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int
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pthread_cond_destroy (pthread_cond_t * cond)
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{
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  return __pthread_cond_destroy (cond);
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}
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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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int
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pthread_cond_signal (pthread_cond_t * cond)
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{
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  return __pthread_cond_signal (cond);
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}
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int
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pthread_cond_broadcast (pthread_cond_t * cond)
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{
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  return __pthread_cond_broadcast (cond);
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}
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int
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pthread_condattr_init (pthread_condattr_t * condattr)
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{
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  return __pthread_condattr_init (condattr);
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}
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int
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pthread_condattr_destroy (pthread_condattr_t * condattr)
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{
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  return __pthread_condattr_destroy (condattr);
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}
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int
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pthread_condattr_getpshared (const pthread_condattr_t * attr, int *pshared)
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{
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  return __pthread_condattr_getpshared (attr, pshared);
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}
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int
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pthread_condattr_setpshared (pthread_condattr_t * attr, int pshared)
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{
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  return __pthread_condattr_setpshared (attr, pshared);
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}
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/* Scheduling */
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int
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pthread_getconcurrency (void)
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{
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  return __pthread_getconcurrency ();
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}
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int
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pthread_setconcurrency (int new_level)
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{
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  return __pthread_setconcurrency (new_level);
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}
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int
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pthread_getschedparam (pthread_t thread, int *policy,
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		       struct sched_param *param)
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{
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  return __pthread_getschedparam (thread, policy, param);
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}
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int
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pthread_setschedparam (pthread_t thread, int policy,
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		       const struct sched_param *param)
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{
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  return __pthread_setschedparam (thread, policy, param);
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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_setcancelstate (state, oldstate);
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}
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 | 
						|
int
 | 
						|
pthread_setcanceltype (int type, int *oldtype)
 | 
						|
{
 | 
						|
  return __pthread_setcanceltype (type, oldtype);
 | 
						|
}
 | 
						|
 | 
						|
void
 | 
						|
pthread_testcancel (void)
 | 
						|
{
 | 
						|
  __pthread_testcancel ();
 | 
						|
}
 | 
						|
 | 
						|
/* Semaphores */
 | 
						|
int
 | 
						|
sem_init (sem_t * sem, int pshared, unsigned int value)
 | 
						|
{
 | 
						|
  return __sem_init (sem, pshared, value);
 | 
						|
}
 | 
						|
 | 
						|
int
 | 
						|
sem_destroy (sem_t * sem)
 | 
						|
{
 | 
						|
  return __sem_destroy (sem);
 | 
						|
}
 | 
						|
 | 
						|
int
 | 
						|
sem_wait (sem_t * sem)
 | 
						|
{
 | 
						|
  return __sem_wait (sem);
 | 
						|
}
 | 
						|
 | 
						|
int
 | 
						|
sem_trywait (sem_t * sem)
 | 
						|
{
 | 
						|
  return __sem_trywait (sem);
 | 
						|
}
 | 
						|
 | 
						|
int
 | 
						|
sem_post (sem_t * sem)
 | 
						|
{
 | 
						|
  return __sem_post (sem);
 | 
						|
}
 | 
						|
 | 
						|
}
 |