/* Copyright (C) 2002-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.

   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, see

   <http://www.gnu.org/licenses/>.  */

#include <errno.h>

#include "pthreadP.h"

#include <stap-probe.h>

int

__pthread_mutex_destroy (pthread_mutex_t *mutex)

{

  LIBC_PROBE (mutex_destroy, 1, mutex);

  if ((mutex->__data.__kind & PTHREAD_MUTEX_ROBUST_NORMAL_NP) == 0

      && mutex->__data.__nusers != 0)

    return EBUSY;

  /* Set to an invalid value.  */

  mutex->__data.__kind = -1;

  return 0;

}

weak_alias (__pthread_mutex_destroy, pthread_mutex_destroy)

hidden_def (__pthread_mutex_destroy)