1 /* Copyright (C) 2005, 2006, 2010 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 
23 int
pthread_mutex_consistent(pthread_mutex_t * mutex)24 pthread_mutex_consistent (
25      pthread_mutex_t *mutex)
26 {
27   /* Test whether this is a robust mutex with a dead owner.  */
28   if ((mutex->__data.__kind & PTHREAD_MUTEX_ROBUST_NORMAL_NP) == 0
29       || mutex->__data.__owner != PTHREAD_MUTEX_INCONSISTENT)
30     return EINVAL;
31 
32   mutex->__data.__owner = THREAD_GETMEM (THREAD_SELF, tid);
33 
34   return 0;
35 }
36 weak_alias (pthread_mutex_consistent, pthread_mutex_consistent_np)
37