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/* Copyright (C) 2002, 2007, 2008 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
OpenSolaris bits contributed by David Bartley
<dtbartle@csclub.uwaterloo.ca>, 2008.
The GNU C 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 2.1 of the License, or (at your option) any later version.
The GNU C 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 the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <errno.h>
#include <pthreadP.h>
#include <stdio.h>
int
pthread_barrier_destroy (barrier)
pthread_barrier_t *barrier;
{
struct pthread_barrier *ibarrier = (struct pthread_barrier *) barrier;
int errval = __pthread_mutex_lock (&ibarrier->mutex);
if (errval != 0)
return EINVAL;
/* Make sure barrier is not exiting. */
while (errval == 0 && (ibarrier->flag & BARRIER_EXITING))
{
errval = __cond_reltimedwait_internal ((cond_t *)&ibarrier->cond,
(mutex_t *)&ibarrier->mutex, NULL, 0);
if (errval == EINTR)
errval = 0;
}
if (__builtin_expect (ibarrier->left != ibarrier->init_count, 0))
errval = EBUSY;
(void)__pthread_mutex_unlock (&ibarrier->mutex);
return errval;
}
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