1 | /* Copyright (C) 2005-2018 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 |
24 | pthread_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 | } |
35 | weak_alias (pthread_mutex_consistent, pthread_mutex_consistent_np) |
36 | |