1/* Copyright (C) 2002-2018 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
18
19#include <errno.h>
20#include "pthreadP.h"
21
22#include <stap-probe.h>
23
24
25int
26__pthread_mutex_destroy (pthread_mutex_t *mutex)
27{
28 LIBC_PROBE (mutex_destroy, 1, mutex);
29
30 if ((mutex->__data.__kind & PTHREAD_MUTEX_ROBUST_NORMAL_NP) == 0
31 && mutex->__data.__nusers != 0)
32 return EBUSY;
33
34 /* Set to an invalid value. */
35 mutex->__data.__kind = -1;
36
37 return 0;
38}
39weak_alias (__pthread_mutex_destroy, pthread_mutex_destroy)
40hidden_def (__pthread_mutex_destroy)
41