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/*
* 16.1.7 Compare Thread IDs, p1003.1c/Draft 10, p. 153
*
* NOTE: POSIX does not define the behavior when either thread id is invalid.
*
* COPYRIGHT (c) 1989-1999.
* 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.OARcorp.com/rtems/license.html.
*
* $Id$
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <pthread.h>
#include <errno.h>
#include <rtems/system.h>
#include <rtems/posix/pthread.h>
#include <rtems/score/thread.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
int status;
Objects_Locations location;
/*
* By default this is not a match.
*/
status = 0;
/*
* Validate the first id and return 0 if it is not valid
*/
(void) _POSIX_Threads_Get( t1, &location );
switch ( location ) {
case OBJECTS_ERROR:
case OBJECTS_REMOTE:
break;
case OBJECTS_LOCAL:
/*
* Validate the second id and return 0 if it is not valid
*/
(void) _POSIX_Threads_Get( t2, &location );
switch ( location ) {
case OBJECTS_ERROR:
case OBJECTS_REMOTE:
break;
case OBJECTS_LOCAL:
status = _Objects_Are_ids_equal( t1, t2 );
break;
}
_Thread_Unnest_dispatch();
break;
}
_Thread_Enable_dispatch();
return status;
#endif
}
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