62 lines
1.4 KiB
C
62 lines
1.4 KiB
C
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/**
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*******************************************************************************
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* @file etk/Semaphore.h
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* @brief Ewol Tool Kit : basic semaphore system (header)
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* @author Edouard DUPIN
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* @date 15/08/2012
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* @par Project
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* Ewol TK
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*
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* @par Copyright
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* Copyright 2011 Edouard DUPIN, all right reserved
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*
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* This software is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY.
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*
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* Licence summary :
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* You can modify and redistribute the sources code and binaries.
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* You can send me the bug-fix
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*
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* Term of the licence in in the file licence.txt.
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*
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*******************************************************************************
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*/
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#ifndef __ETK_SEMAPHORE_H__
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#define __ETK_SEMAPHORE_H__
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#include <etk/Types.h>
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#ifdef __TARGET_OS__Windows
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#include <windows.h>
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#else
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#include <pthread.h>
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#endif
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namespace etk
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{
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class Semaphore
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{
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private:
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#ifdef __TARGET_OS__Windows
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HANDLE m_semaphore;
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#else
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pthread_mutex_t m_mutex;
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pthread_cond_t m_condition;
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uint32_t m_data;
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uint32_t m_maximum;
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#endif
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public:
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Semaphore(uint32_t nbBasicElement=0, uint32_t nbMessageMax=1);
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~Semaphore(void);
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uint32_t GetCount(void);
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void Post(void);
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void Wait(void);
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// wait with a timeout in us; return true if get the semaphore
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bool Wait(uint32_t timeOutInUs);
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};
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};
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#endif
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