glibc/sysdeps/htl/pt-rwlock-init.c
gfleury 6f6732c1c4 htl: move pthread_rwlock_init into libc.
Signed-off-by: gfleury <gfleury@disroot.org>
Message-ID: <20250216145434.7089-10-gfleury@disroot.org>
2025-02-16 23:43:03 +01:00

51 lines
1.7 KiB
C

/* Initialize a rwlock. Generic version.
Copyright (C) 2002-2025 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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
<https://www.gnu.org/licenses/>. */
#include <pthread.h>
#include <string.h>
#include <pt-internal.h>
#include <shlib-compat.h>
int
__pthread_rwlock_init (pthread_rwlock_t *rwlock,
const pthread_rwlockattr_t *attr)
{
ASSERT_TYPE_SIZE (pthread_rwlock_t, __SIZEOF_PTHREAD_RWLOCK_T);
*rwlock = (pthread_rwlock_t) __PTHREAD_RWLOCK_INITIALIZER;
if (attr == NULL
|| memcmp (attr, &__pthread_default_rwlockattr, sizeof (*attr)) == 0)
/* Use the default attributes. */
return 0;
/* Non-default attributes. */
rwlock->__attr = malloc (sizeof *attr);
if (rwlock->__attr == NULL)
return ENOMEM;
*rwlock->__attr = *attr;
return 0;
}
libc_hidden_def (__pthread_rwlock_init)
versioned_symbol (libc, __pthread_rwlock_init, pthread_rwlock_init, GLIBC_2_42);
#if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_12, GLIBC_2_42)
compat_symbol (libpthread, __pthread_rwlock_init, pthread_rwlock_init, GLIBC_2_12);
#endif