lock.h

Go to the documentation of this file.

/*
 * Copyright (C) 2022 Gunar Schorcht
 *
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 
#pragma once

 
#ifndef DOXYGEN
 
#include <stdint.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
#if !defined(_RETARGETABLE_LOCKING)
 
typedef void * _lock_t;
 
#define _LOCK_T             _lock_t
#define _LOCK_RECURSIVE_T   _lock_t
 
void _lock_init(_lock_t *lock);
void _lock_init_recursive(_lock_t *lock);
void _lock_close(_lock_t *lock);
void _lock_close_recursive(_lock_t *lock);
void _lock_acquire(_lock_t *lock);
void _lock_acquire_recursive(_lock_t *lock);
int  _lock_try_acquire(_lock_t *lock);
int  _lock_try_acquire_recursive(_lock_t *lock);
void _lock_release(_lock_t *lock);
void _lock_release_recursive(_lock_t *lock);
 
#else /* !defined(_RETARGETABLE_LOCKING) */
 
#include_next <sys/lock.h>
 
#endif /* !defined(_RETARGETABLE_LOCKING) */
 
#ifdef __cplusplus
}
#endif
 
#endif /* DOXYGEN */