Blame nptl/pthread_mutex_consistent.c

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/* Copyright (C) 2005-2018 Free Software Foundation, Inc.
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   This file is part of the GNU C Library.
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   Contributed by Ulrich Drepper <drepper@redhat.com>, 2005.
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   The GNU C Library is free software; you can redistribute it and/or
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   modify it under the terms of the GNU Lesser General Public
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   License as published by the Free Software Foundation; either
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   version 2.1 of the License, or (at your option) any later version.
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   The GNU C Library is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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   Lesser General Public License for more details.
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   You should have received a copy of the GNU Lesser General Public
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   License along with the GNU C Library; if not, see
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   <http://www.gnu.org/licenses/>.  */
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#include <errno.h>
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#include <pthreadP.h>
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int
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pthread_mutex_consistent (pthread_mutex_t *mutex)
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{
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  /* Test whether this is a robust mutex with a dead owner.  */
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  if ((mutex->__data.__kind & PTHREAD_MUTEX_ROBUST_NORMAL_NP) == 0
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      || mutex->__data.__owner != PTHREAD_MUTEX_INCONSISTENT)
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    return EINVAL;
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  mutex->__data.__owner = THREAD_GETMEM (THREAD_SELF, tid);
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  return 0;
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}
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weak_alias (pthread_mutex_consistent, pthread_mutex_consistent_np)