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#ifndef __ASURA_MUTEX_H__
#define __ASURA_MUTEX_H__
#include <asura-utils/type.h>
#include "../utils_config.h"
#if ASURA_THREAD_WIN32
#include <windows.h>
#endif
namespace AsuraEngine
{
namespace Threading
{
#define ASURA_MUTEX_MAXWAIT (~(uint32)0)
class MutexImpl;
class Mutex
{
public:
Mutex();
~Mutex();
void Lock();
void Unlock();
private:
// ֹ
Mutex(const Mutex&);
Mutex& operator=(const Mutex&);
MutexImpl* m_Impl;
};
class _mutex_locker
{
public:
_mutex_locker(Mutex& mutex)
: m(mutex)
{
m.Lock();
};
~_mutex_locker()
{
m.Unlock();
}
operator bool() { return false; };
private:
void* operator new(size_t);
Mutex& m;
};
#define lock(m) \
if(_mutex_locker _asura_mutex_locker = m){} else
ASURA_ABSTRACT class MutexImpl
{
public:
MutexImpl() {};
virtual ~MutexImpl() {};
virtual void Lock() = 0;
virtual void Unlock() = 0;
};
#if ASURA_MUTEX_WIN32_CRITICLE_SECTION
//https://blog.csdn.net/l799623787/article/details/18259949
class MutexImplWin32_CS ASURA_FINAL : public MutexImpl
{
public:
MutexImplWin32_CS();
~MutexImplWin32_CS();
void Lock() override;
void Unlock() override;
private:
//HANDLE m_Handle;
CRITICAL_SECTION m_Mutex;
};
#endif // ASURA_MUTEX_WIN32_CRITICLE_SECTION
#if ASURA_MUTEX_WIN32_KERNAL_MUTEX
class MutexImplWin32_KM ASURA_FINAL : public MutexImpl
{
public:
MutexImplWin32_KM();
~MutexImplWin32_KM();
void Lock() override;
void Unlock() override;
private:
HANDLE m_Handle;
};
#endif // ASURA_MUTEX_WIN32_KERNAL_MUTEX
#if ASURA_THREAD_STD
class MutexImplSTD ASURA_FINAL : public MutexImpl
{
};
#endif // ASURA_THREAD_STD
}
}
namespace AEThreading = AsuraEngine::Threading;
#endif
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