45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
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#pragma once
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#include "os/ErrorCodes.h"
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#include "os/WaitStatus.h"
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#include "os/Handle.h"
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#include "utils/NonCopyable.h"
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namespace il2cpp
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{
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namespace os
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{
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class SemaphoreImpl;
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class Semaphore : public il2cpp::utils::NonCopyable
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{
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public:
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Semaphore(int32_t initialValue = 0, int32_t maximumValue = 1);
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~Semaphore();
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bool Post(int32_t releaseCount = 1, int32_t* previousCount = NULL);
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WaitStatus Wait(bool interruptible = false);
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WaitStatus Wait(uint32_t ms, bool interruptible = false);
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private:
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SemaphoreImpl* m_Semaphore;
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};
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class SemaphoreHandle : public Handle
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{
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public:
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SemaphoreHandle(Semaphore* semaphore) : m_Semaphore(semaphore) {}
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virtual ~SemaphoreHandle() { delete m_Semaphore; }
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virtual bool Wait() { m_Semaphore->Wait(true); return true; }
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virtual bool Wait(uint32_t ms) { return m_Semaphore->Wait(ms, true) != kWaitStatusTimeout; }
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virtual WaitStatus Wait(bool interruptible) { return m_Semaphore->Wait(interruptible); }
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virtual WaitStatus Wait(uint32_t ms, bool interruptible) { return m_Semaphore->Wait(ms, interruptible); }
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virtual void Signal() { m_Semaphore->Post(1, NULL); }
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Semaphore& Get() { return *m_Semaphore; }
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private:
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Semaphore* m_Semaphore;
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};
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}
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}
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