rtems/score/muteximpl.h

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /**
0004  * @file
0005  *
0006  * @ingroup RTEMSScoreSyslockMutex
0007  *
0008  * @brief This header file provides the interfaces of the
0009  *   @ref RTEMSScoreSyslockMutex.
0010  */
0011
0012 /*
0013  * Copyright (C) 2015, 2017 embedded brains GmbH & Co. KG
0014  *
0015  * Redistribution and use in source and binary forms, with or without
0016  * modification, are permitted provided that the following conditions
0017  * are met:
0018  * 1. Redistributions of source code must retain the above copyright
0019  *    notice, this list of conditions and the following disclaimer.
0020  * 2. Redistributions in binary form must reproduce the above copyright
0021  *    notice, this list of conditions and the following disclaimer in the
0022  *    documentation and/or other materials provided with the distribution.
0023  *
0024  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0025  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0026  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0027  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0028  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0029  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0030  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0031  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0032  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0033  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0034  * POSSIBILITY OF SUCH DAMAGE.
0035  */
0036
0037 #ifndef _RTEMS_SCORE_MUTEXIMPL_H
0038 #define _RTEMS_SCORE_MUTEXIMPL_H
0039
0040 #include <rtems/score/threadqimpl.h>
0041
0042 #ifdef __cplusplus
0043 extern "C" {
0044 #endif /* __cplusplus */
0045
0046 /**
0047  * @defgroup RTEMSScoreSyslockMutex System Lock Mutex Support
0048  *
0049  * @ingroup RTEMSScore
0050  *
0051  * @brief The System Lock Mutex Support helps to implement directives which use
0052  *   data structures compatible with the data structures defined by the Newlib
0053  *   provided <sys/lock.h> header file.
0054  *
0055  * @{
0056  */
0057
0058 typedef struct {
0059   Thread_queue_Syslock_queue Queue;
0060 } Mutex_Control;
0061
0062 typedef struct {
0063   Mutex_Control Mutex;
0064   unsigned int nest_level;
0065 } Mutex_recursive_Control;
0066
0067 /** @} */
0068
0069 #ifdef __cplusplus
0070 }
0071 #endif /* __cplusplus */
0072
0073 #endif /* _RTEMS_SCORE_MUTEXIMPL_H */