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/* Acquire a rwlock for reading. 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 <pt-internal.h>
#include <shlib-compat.h>
/* Implemented in pt-rwlock-timedrdlock.c. */
extern int __pthread_rwlock_timedrdlock_internal (struct __pthread_rwlock
*rwlock,
clockid_t clockid,
const struct timespec
*abstime);
/* Acquire RWLOCK for reading, block if we can't get it. */
int
__pthread_rwlock_rdlock (struct __pthread_rwlock *rwlock)
{
return __pthread_rwlock_timedrdlock_internal (rwlock, -1, 0);
}
libc_hidden_def (__pthread_rwlock_rdlock)
versioned_symbol (libc, __pthread_rwlock_rdlock, pthread_rwlock_rdlock, GLIBC_2_42);
#if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_12, GLIBC_2_42)
compat_symbol (libpthread, __pthread_rwlock_rdlock, pthread_rwlock_rdlock, GLIBC_2_12);
#endif
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