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49 lines
1.5 KiB
C
49 lines
1.5 KiB
C
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/* Initialize a mutex. Generic version.
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Copyright (C) 2000-2018 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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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 Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, see <http://www.gnu.org/licenses/>. */
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#include <pthread.h>
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#include <string.h>
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#include <stdlib.h>
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#include <assert.h>
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#include <pt-internal.h>
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int
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_pthread_mutex_init (pthread_mutex_t *mutex, const pthread_mutexattr_t *attr)
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{
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*mutex = (pthread_mutex_t) __PTHREAD_MUTEX_INITIALIZER;
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if (attr == NULL
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|| memcmp (attr, &__pthread_default_mutexattr, sizeof (*attr) == 0))
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/* The default attributes. */
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return 0;
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if (mutex->__attr == NULL
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|| mutex->__attr == __PTHREAD_ERRORCHECK_MUTEXATTR
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|| mutex->__attr == __PTHREAD_RECURSIVE_MUTEXATTR)
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mutex->__attr = malloc (sizeof *attr);
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if (mutex->__attr == NULL)
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return ENOMEM;
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*mutex->__attr = *attr;
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return 0;
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}
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strong_alias (_pthread_mutex_init, pthread_mutex_init);
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