score/src/smplock.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /**
0004  * @file
0005  *
0006  * @ingroup RTEMSScoreSMPLock
0007  *
0008  * @brief This source file contains the implementation of
0009  *   _SMP_lock_Initialize(), _SMP_lock_Destroy(), _SMP_lock_Acquire(),
0010  *   _SMP_lock_Release(), _SMP_lock_ISR_disable_and_acquire(),
0011  *   _SMP_lock_Release_and_ISR_enable(), and _SMP_lock_Is_owner().
0012  */
0013
0014 /*
0015  * Copyright (C) 2015, 2016 embedded brains GmbH & Co. KG
0016  *
0017  * Redistribution and use in source and binary forms, with or without
0018  * modification, are permitted provided that the following conditions
0019  * are met:
0020  * 1. Redistributions of source code must retain the above copyright
0021  *    notice, this list of conditions and the following disclaimer.
0022  * 2. Redistributions in binary form must reproduce the above copyright
0023  *    notice, this list of conditions and the following disclaimer in the
0024  *    documentation and/or other materials provided with the distribution.
0025  *
0026  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0027  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0028  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0029  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0030  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0031  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0032  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0033  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0034  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0035  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0036  * POSSIBILITY OF SUCH DAMAGE.
0037  */
0038
0039 #ifdef HAVE_CONFIG_H
0040 #include "config.h"
0041 #endif
0042
0043 #include <rtems/score/smplock.h>
0044
0045 #if defined(RTEMS_SMP_LOCK_DO_NOT_INLINE)
0046 void _SMP_lock_Initialize(
0047   SMP_lock_Control *lock,
0048   const char *name
0049 )
0050 {
0051   _SMP_lock_Initialize_inline( lock, name );
0052 }
0053
0054 void _SMP_lock_Destroy( SMP_lock_Control *lock )
0055 {
0056   _SMP_lock_Destroy_inline( lock );
0057 }
0058 #endif
0059
0060 void _SMP_lock_Acquire(
0061   SMP_lock_Control *lock,
0062   SMP_lock_Context *context
0063 )
0064 {
0065   _SMP_lock_Acquire_inline( lock, context );
0066 }
0067
0068 #if defined(RTEMS_SMP_LOCK_DO_NOT_INLINE)
0069 void _SMP_lock_Release(
0070   SMP_lock_Control *lock,
0071   SMP_lock_Context *context
0072 )
0073 {
0074   _SMP_lock_Release_inline( lock, context );
0075 }
0076 #endif
0077
0078 void _SMP_lock_ISR_disable_and_acquire(
0079   SMP_lock_Control *lock,
0080   SMP_lock_Context *context
0081 )
0082 {
0083   _SMP_lock_ISR_disable_and_acquire_inline( lock, context );
0084 }
0085
0086 #if defined(RTEMS_SMP_LOCK_DO_NOT_INLINE)
0087 void _SMP_lock_Release_and_ISR_enable(
0088   SMP_lock_Control *lock,
0089   SMP_lock_Context *context
0090 )
0091 {
0092   _SMP_lock_Release_and_ISR_enable_inline( lock, context );
0093 }
0094 #endif
0095
0096 #if defined(RTEMS_DEBUG)
0097 bool _SMP_lock_Is_owner( const SMP_lock_Control *lock )
0098 {
0099   return lock->owner == _SMP_lock_Who_am_I();
0100 }
0101 #endif