mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-11 13:50:06 +00:00
018c75dcb1
The symbol was moved using scripts/move-symbol-to-libc.py. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
62 lines
2.1 KiB
C
62 lines
2.1 KiB
C
/* Copyright (C) 2002-2021 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Ulrich Drepper <drepper@redhat.com>, 2002.
|
|
|
|
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 <semaphore.h>
|
|
#include <futex-internal.h>
|
|
#include "pthreadP.h"
|
|
|
|
#define SEM_SHM_PREFIX "sem."
|
|
|
|
static inline void __new_sem_open_init (struct new_sem *sem, unsigned value)
|
|
{
|
|
#if __HAVE_64B_ATOMICS
|
|
sem->data = value;
|
|
#else
|
|
sem->value = value << SEM_VALUE_SHIFT;
|
|
sem->nwaiters = 0;
|
|
#endif
|
|
/* pad is used as a mutex on pre-v9 sparc and ignored otherwise. */
|
|
sem->pad = 0;
|
|
|
|
/* This always is a shared semaphore. */
|
|
sem->private = FUTEX_SHARED;
|
|
}
|
|
|
|
/* Prototypes of functions with multiple interfaces. */
|
|
extern int __new_sem_init (sem_t *sem, int pshared, unsigned int value);
|
|
extern int __old_sem_init (sem_t *sem, int pshared, unsigned int value);
|
|
extern int __new_sem_destroy (sem_t *sem);
|
|
extern int __new_sem_post (sem_t *sem);
|
|
extern int __new_sem_wait (sem_t *sem);
|
|
extern int __old_sem_wait (sem_t *sem);
|
|
extern int __new_sem_trywait (sem_t *sem);
|
|
extern int __new_sem_getvalue (sem_t *sem, int *sval);
|
|
|
|
#if __TIMESIZE == 64
|
|
# define __sem_clockwait64 __sem_clockwait
|
|
# define __sem_timedwait64 __sem_timedwait
|
|
#else
|
|
extern int
|
|
__sem_clockwait64 (sem_t *sem, clockid_t clockid,
|
|
const struct __timespec64 *abstime);
|
|
libc_hidden_proto (__sem_clockwait64)
|
|
extern int
|
|
__sem_timedwait64 (sem_t *sem, const struct __timespec64 *abstime);
|
|
libc_hidden_proto (__sem_timedwait64)
|
|
#endif
|