rtems-rfs-mutex.h

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/* SPDX-License-Identifier: BSD-2-Clause */

 
/*
 *  COPYRIGHT (c) 2010 Chris Johns <chrisj@rtems.org>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
 
#if !defined (_RTEMS_RFS_MUTEX_H_)
#define _RTEMS_RFS_MUTEX_H_
 
#include <errno.h>
 
#include <rtems/rfs/rtems-rfs-trace.h>
 
#if __rtems__
#include <rtems.h>
#include <rtems/error.h>
#include <rtems/thread.h>
#endif

#if __rtems__
typedef rtems_recursive_mutex rtems_rfs_mutex;
#else
typedef uint32_t rtems_rfs_mutex; /* place holder */
#endif

int rtems_rfs_mutex_create (rtems_rfs_mutex* mutex);

int rtems_rfs_mutex_destroy (rtems_rfs_mutex* mutex);

static inline int
rtems_rfs_mutex_lock (rtems_rfs_mutex* mutex)
{
#if __rtems__
  rtems_recursive_mutex_lock(mutex);
#endif
  return 0;
}

static inline int
rtems_rfs_mutex_unlock (rtems_rfs_mutex* mutex)
{
#if __rtems__
  rtems_recursive_mutex_unlock(mutex);
#endif
  return 0;
}
 
#endif