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- /* Copyright (C) 2005-2019 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Ulrich Drepper <drepper@redhat.com>, 2005.
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
- #include <errno.h>
- #include <pthreadP.h>
- int
- pthread_mutexattr_setrobust (pthread_mutexattr_t *attr, int robustness)
- {
- if (robustness != PTHREAD_MUTEX_STALLED_NP
- && __builtin_expect (robustness != PTHREAD_MUTEX_ROBUST_NP, 0))
- return EINVAL;
- struct pthread_mutexattr *iattr = (struct pthread_mutexattr *) attr;
- /* We use bit 30 to signal whether the mutex is going to be
- robust or not. */
- if (robustness == PTHREAD_MUTEX_STALLED_NP)
- iattr->mutexkind &= ~PTHREAD_MUTEXATTR_FLAG_ROBUST;
- else
- iattr->mutexkind |= PTHREAD_MUTEXATTR_FLAG_ROBUST;
- return 0;
- }
- weak_alias (pthread_mutexattr_setrobust, pthread_mutexattr_setrobust_np)
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