1/* Copyright (C) 2005-2017 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2005.
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
23int
24pthread_mutex_consistent (pthread_mutex_t *mutex)
25{
26 /* Test whether this is a robust mutex with a dead owner. */
27 if ((mutex->__data.__kind & PTHREAD_MUTEX_ROBUST_NORMAL_NP) == 0
28 || mutex->__data.__owner != PTHREAD_MUTEX_INCONSISTENT)
29 return EINVAL;
30
31 mutex->__data.__owner = THREAD_GETMEM (THREAD_SELF, tid);
32
33 return 0;
34}
35weak_alias (pthread_mutex_consistent, pthread_mutex_consistent_np)
36