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pthread_barrier_destroy.c
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pthread_barrier_destroy.c
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/*
* pthread_barrier_destroy.c
*
* Description:
* This translation unit implements barrier primitives.
*
* --------------------------------------------------------------------------
*
* Pthreads-embedded (PTE) - POSIX Threads Library for embedded systems
* Copyright(C) 2008 Jason Schmidlapp
*
* Contact Email: [email protected]
*
*
* Based upon Pthreads-win32 - POSIX Threads Library for Win32
* Copyright(C) 1998 John E. Bossom
* Copyright(C) 1999,2005 Pthreads-win32 contributors
*
* Contact Email: [email protected]
*
* The original list of contributors to the Pthreads-win32 project
* is contained in the file CONTRIBUTORS.ptw32 included with the
* source code distribution. The list can also be seen at the
* following World Wide Web location:
* http://sources.redhat.com/pthreads-win32/contributors.html
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library in the file COPYING.LIB;
* if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#include <stdlib.h>
#include "pthread.h"
#include "implement.h"
int
pthread_barrier_destroy (pthread_barrier_t * barrier)
{
int result = 0;
pthread_barrier_t b;
if (barrier == NULL || *barrier == (pthread_barrier_t) PTE_OBJECT_INVALID)
{
return EINVAL;
}
b = *barrier;
*barrier = NULL;
if (0 == (result = sem_destroy (&(b->semBarrierBreeched[0]))))
{
if (0 == (result = sem_destroy (&(b->semBarrierBreeched[1]))))
{
(void) free (b);
return 0;
}
(void) sem_init (&(b->semBarrierBreeched[0]), b->pshared, 0);
}
*barrier = b;
return (result);
}