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96 lines
2.8 KiB
96 lines
2.8 KiB
3 years ago
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/*
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Copyright (c) 2012, Broadcom Europe Ltd
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of the copyright holder nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*=============================================================================
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VideoCore OS Abstraction Layer - reentrant mutexes created from regular ones.
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=============================================================================*/
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#ifndef VCOS_GENERIC_QUICKSLOW_MUTEX_H
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#define VCOS_GENERIC_QUICKSLOW_MUTEX_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "interface/vcos/vcos_types.h"
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/**
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* \file
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*
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* Quickslow Mutexes implemented as regular ones (i.e. quick and slow modes are the same).
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*
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*/
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typedef VCOS_MUTEX_T VCOS_QUICKSLOW_MUTEX_T;
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#if defined(VCOS_INLINE_BODIES)
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VCOS_INLINE_IMPL
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VCOS_STATUS_T vcos_quickslow_mutex_create(VCOS_QUICKSLOW_MUTEX_T *m, const char *name)
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{
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return vcos_mutex_create(m, name);
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}
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VCOS_INLINE_IMPL
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void vcos_quickslow_mutex_delete(VCOS_QUICKSLOW_MUTEX_T *m)
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{
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vcos_mutex_delete(m);
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}
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VCOS_INLINE_IMPL
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void vcos_quickslow_mutex_lock(VCOS_QUICKSLOW_MUTEX_T *m)
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{
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while (vcos_mutex_lock(m) == VCOS_EAGAIN);
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}
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VCOS_INLINE_IMPL
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void vcos_quickslow_mutex_unlock(VCOS_QUICKSLOW_MUTEX_T *m)
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{
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vcos_mutex_unlock(m);
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}
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VCOS_INLINE_IMPL
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void vcos_quickslow_mutex_lock_quick(VCOS_QUICKSLOW_MUTEX_T *m)
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{
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while (vcos_mutex_lock(m) == VCOS_EAGAIN);
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}
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VCOS_INLINE_IMPL
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void vcos_quickslow_mutex_unlock_quick(VCOS_QUICKSLOW_MUTEX_T *m)
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{
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vcos_mutex_unlock(m);
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}
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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