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/**
* @file
*
* @brief Compare Thread IDs
* @ingroup POSIXAPI
*/
/*
* NOTE: POSIX does not define the behavior when either thread id is invalid.
*
* COPYRIGHT (c) 1989-2007.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <pthread.h>
#include <errno.h>
#include <rtems/posix/pthreadimpl.h>
#include <rtems/score/threadimpl.h>
int pthread_equal(
pthread_t t1,
pthread_t t2
)
{
/*
* If the system is configured for debug, then we will do everything we
* can to insure that both ids are valid. Otherwise, we will do the
* cheapest possible thing to determine if they are equal.
*/
#ifndef RTEMS_DEBUG
return _Objects_Are_ids_equal( t1, t2 );
#else
ISR_lock_Context lock_context_1;
ISR_lock_Context lock_context_2;
Thread_Control *thread_1;
Thread_Control *thread_2;
thread_1 = _Thread_Get( t1, &lock_context_1 );
thread_2 = _Thread_Get( t2, &lock_context_2 );
_ISR_lock_ISR_enable( &lock_context_2 );
_ISR_lock_ISR_enable( &lock_context_1 );
return thread_1 != NULL && thread_1 == thread_2;
#endif
}
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