1 /* Copyright (C) 2005-2013 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2005.
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.
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.
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/>. */
24 pthread_mutexattr_setrobust (attr, robustness)
25 pthread_mutexattr_t *attr;
28 if (robustness != PTHREAD_MUTEX_STALLED_NP
29 && __builtin_expect (robustness != PTHREAD_MUTEX_ROBUST_NP, 0))
32 struct pthread_mutexattr *iattr = (struct pthread_mutexattr *) attr;
34 /* We use bit 30 to signal whether the mutex is going to be
36 if (robustness == PTHREAD_MUTEX_STALLED_NP)
37 iattr->mutexkind &= ~PTHREAD_MUTEXATTR_FLAG_ROBUST;
39 iattr->mutexkind |= PTHREAD_MUTEXATTR_FLAG_ROBUST;
43 weak_alias (pthread_mutexattr_setrobust, pthread_mutexattr_setrobust_np)