107 lines
2.4 KiB
C++
107 lines
2.4 KiB
C++
#pragma once
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#include "os/ErrorCodes.h"
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#include "os/Handle.h"
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#include "os/WaitStatus.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 MutexImpl;
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class FastMutexImpl;
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class Mutex : public il2cpp::utils::NonCopyable
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{
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public:
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Mutex(bool initiallyOwned = false);
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~Mutex();
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void Lock(bool interruptible = false);
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bool TryLock(uint32_t milliseconds = 0, bool interruptible = false);
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void Unlock();
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private:
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MutexImpl* m_Mutex;
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};
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struct AutoLock : public il2cpp::utils::NonCopyable
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{
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AutoLock(Mutex* mutex) : m_Mutex(mutex) { m_Mutex->Lock(); }
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~AutoLock() { m_Mutex->Unlock(); }
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private:
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Mutex* m_Mutex;
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};
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class MutexHandle : public Handle
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{
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public:
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MutexHandle(Mutex* mutex) : m_Mutex(mutex) {}
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virtual ~MutexHandle() { delete m_Mutex; }
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virtual bool Wait() { m_Mutex->Lock(true); return true; }
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virtual bool Wait(uint32_t ms) { return m_Mutex->TryLock(ms, true); }
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virtual WaitStatus Wait(bool interruptible) { m_Mutex->Lock(interruptible); return kWaitStatusSuccess; }
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virtual WaitStatus Wait(uint32_t ms, bool interruptible) { return m_Mutex->TryLock(ms, interruptible) ? kWaitStatusSuccess : kWaitStatusFailure; }
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virtual void Signal() { m_Mutex->Unlock(); }
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Mutex* Get() { return m_Mutex; }
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private:
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Mutex* m_Mutex;
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};
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/// Lightweight mutex that has no support for interruption or timed waits. Meant for
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/// internal use only.
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class FastMutex
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{
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public:
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FastMutex();
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~FastMutex();
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void Lock();
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void Unlock();
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FastMutexImpl* GetImpl();
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private:
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FastMutexImpl* m_Impl;
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};
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struct FastAutoLock : public il2cpp::utils::NonCopyable
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{
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FastAutoLock(FastMutex* mutex)
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: m_Mutex(mutex)
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{
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m_Mutex->Lock();
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}
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~FastAutoLock()
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{
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m_Mutex->Unlock();
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}
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private:
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FastMutex* m_Mutex;
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};
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struct FastAutoUnlock : public il2cpp::utils::NonCopyable
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{
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FastAutoUnlock(FastMutex* mutex)
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: m_Mutex(mutex)
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{
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m_Mutex->Unlock();
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}
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~FastAutoUnlock()
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{
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m_Mutex->Lock();
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}
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private:
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FastMutex* m_Mutex;
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};
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}
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}
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