1 /* Initialize a mutex. Generic version.
2 Copyright (C) 2000-2018 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 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 Library General Public License for more details.
15 You should have received a copy of the GNU Library General Public
16 License along with the GNU C Library; see the file COPYING.LIB. If
17 not, see <http://www.gnu.org/licenses/>. */
24 #include <pt-internal.h>
27 _pthread_mutex_init (pthread_mutex_t
*mutex
, const pthread_mutexattr_t
*attr
)
29 *mutex
= (pthread_mutex_t
) __PTHREAD_MUTEX_INITIALIZER
;
32 || memcmp (attr
, &__pthread_default_mutexattr
, sizeof (*attr
) == 0))
33 /* The default attributes. */
36 if (mutex
->__attr
== NULL
37 || mutex
->__attr
== __PTHREAD_ERRORCHECK_MUTEXATTR
38 || mutex
->__attr
== __PTHREAD_RECURSIVE_MUTEXATTR
)
39 mutex
->__attr
= malloc (sizeof *attr
);
41 if (mutex
->__attr
== NULL
)
44 *mutex
->__attr
= *attr
;
48 strong_alias (_pthread_mutex_init
, pthread_mutex_init
);