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https://github.com/libretro/RetroArch
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85 lines
2.9 KiB
C
85 lines
2.9 KiB
C
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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 mutex public header file
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=============================================================================*/
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#ifndef VCOS_REENTRANT_MUTEX_H
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#define VCOS_REENTRANT_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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#include "vcos.h"
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/**
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* \file
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*
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* Reentrant Mutex API. You can take one of these mutexes even if you've already
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* taken it. Just to make sure.
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*
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* A re-entrant mutex may be slower on some platforms than a regular one.
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*
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* \sa vcos_mutex.h
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*
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*/
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/** Create a mutex.
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*
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* @param m Filled in with mutex on return
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* @param name A non-null name for the mutex, used for diagnostics.
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*
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* @return VCOS_SUCCESS if mutex was created, or error code.
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*/
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VCOS_INLINE_DECL
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VCOS_STATUS_T vcos_reentrant_mutex_create(VCOS_REENTRANT_MUTEX_T *m, const char *name);
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/** Delete the mutex.
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*/
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VCOS_INLINE_DECL
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void vcos_reentrant_mutex_delete(VCOS_REENTRANT_MUTEX_T *m);
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/** Wait to claim the mutex. Must not have already been claimed by the current thread.
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*/
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#ifndef vcos_reentrant_mutexlock
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VCOS_INLINE_DECL
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void vcos_reentrant_mutex_lock(VCOS_REENTRANT_MUTEX_T *m);
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/** Release the mutex.
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*/
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VCOS_INLINE_DECL
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void vcos_reentrant_mutex_unlock(VCOS_REENTRANT_MUTEX_T *m);
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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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