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/* pthread_mutex_destroy. Hurd version.
Copyright (C) 2016-2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License
as published by the Free Software Foundation; either
version 2 of the license, or (at your option) any later version.
This program 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 Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this program; if not, see
<http://www.gnu.org/licenses/>.
*/
#include <pthread.h>
#include <stdlib.h>
#include <assert.h>
#include <pt-internal.h>
#include "pt-mutex.h"
#include <hurdlock.h>
int
_pthread_mutex_destroy (pthread_mutex_t *mtxp)
{
atomic_read_barrier ();
if (*(volatile unsigned int *) &mtxp->__lock != 0)
return EBUSY;
mtxp->__type = -1;
return 0;
}
strong_alias (_pthread_mutex_destroy, pthread_mutex_destroy)
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