/* Copyright (C) 2005, 2010 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)