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59 lines
1.5 KiB
59 lines
1.5 KiB
/******************************************************************************
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*
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* Copyright (C) 2018 Fuzhou Rockchip Electronics Co., Ltd.
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* Modification based on code covered by the License (the "License").
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* You may not use this software except in compliance with the License.
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* THIS SOFTWARE IS PROVIDED TO YOU ON AN "AS IS" BASIS and ROCKCHIP DISCLAIMS
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* ANY AND ALL WARRANTIES AND REPRESENTATIONS WITH RESPECT TO SUCH SOFTWARE,
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* WHETHER EXPRESS,IMPLIED, STATUTORY OR OTHERWISE, INCLUDING WITHOUT LIMITATION,
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* ANY IMPLIED WARRANTIES OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY, SATISFACTROY
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* QUALITY, ACCURACY OR FITNESS FOR A PARTICULAR PURPOSE.
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* Rockchip shall not be liable to make any corrections to this software or to
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* provide any support or assistance with respect to it.
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*
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*****************************************************************************/
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#include <semaphore.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <utils/Errors.h>
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namespace android {
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class Semaphore
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{
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public:
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Semaphore();
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~Semaphore();
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//Release semaphore
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status_t Release();
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///Create the semaphore with initial count value
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status_t Create(int count=0);
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///Wait operation
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status_t Wait();
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///Signal operation
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status_t Signal();
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///Current semaphore count
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int Count();
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///Wait operation with a timeout
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status_t WaitTimeout(int timeoutMicroSecs);
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private:
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sem_t *mSemaphore;
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};
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};
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