1 /* Initialize a rwlock. Generic version.
2 Copyright (C) 2002-2020 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 Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the 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 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
21 #include <pt-internal.h>
24 _pthread_rwlock_init (pthread_rwlock_t
*rwlock
,
25 const pthread_rwlockattr_t
*attr
)
27 ASSERT_TYPE_SIZE (pthread_rwlock_t
, __SIZEOF_PTHREAD_RWLOCK_T
);
29 *rwlock
= (pthread_rwlock_t
) __PTHREAD_RWLOCK_INITIALIZER
;
32 || memcmp (attr
, &__pthread_default_rwlockattr
, sizeof (*attr
)) == 0)
33 /* Use the default attributes. */
36 /* Non-default attributes. */
38 rwlock
->__attr
= malloc (sizeof *attr
);
39 if (rwlock
->__attr
== NULL
)
42 *rwlock
->__attr
= *attr
;
46 strong_alias (_pthread_rwlock_init
, pthread_rwlock_init
);