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70 lines
1.3 KiB
C++
70 lines
1.3 KiB
C++
/*
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* Copyright 2010-2017 Branimir Karadzic. All rights reserved.
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* License: https://github.com/bkaradzic/bx#license-bsd-2-clause
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*/
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#ifndef BX_SEM_H_HEADER_GUARD
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#define BX_SEM_H_HEADER_GUARD
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#include "bx.h"
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#if BX_CONFIG_SUPPORTS_THREADING
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#if BX_PLATFORM_POSIX
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# include <errno.h>
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# include <semaphore.h>
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# include <time.h>
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# include <pthread.h>
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#elif BX_PLATFORM_XBOX360 || BX_PLATFORM_WINDOWS || BX_PLATFORM_WINRT || BX_PLATFORM_XBOXONE
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# include <windows.h>
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# include <limits.h>
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# if BX_PLATFORM_XBOXONE
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# include <synchapi.h>
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# endif // BX_PLATFORM_XBOXONE
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#endif // BX_PLATFORM_
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#include "mutex.h"
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namespace bx
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{
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///
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class Semaphore
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{
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BX_CLASS(Semaphore
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, NO_COPY
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, NO_ASSIGNMENT
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);
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public:
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///
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Semaphore();
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///
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~Semaphore();
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///
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void post(uint32_t _count = 1);
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///
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bool wait(int32_t _msecs = -1);
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private:
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#if BX_PLATFORM_POSIX
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# if BX_CONFIG_SEMAPHORE_PTHREAD
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pthread_mutex_t m_mutex;
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pthread_cond_t m_cond;
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int32_t m_count;
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# else
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sem_t m_handle;
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# endif // BX_CONFIG_SEMAPHORE_PTHREAD
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#elif BX_PLATFORM_XBOX360 || BX_PLATFORM_XBOXONE || BX_PLATFORM_WINDOWS || BX_PLATFORM_WINRT
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HANDLE m_handle;
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#endif // BX_PLATFORM_
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};
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} // namespace bx
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#endif // BX_CONFIG_SUPPORTS_THREADING
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#endif // BX_SEM_H_HEADER_GUARD
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