mutex.h

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// Mutex.h: interface for the CMutex class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_MUTEX_H__BA1E978D_EE0B_41D4_994E_E7428E0720DD__INCLUDED_)
#define AFX_MUTEX_H__BA1E978D_EE0B_41D4_994E_E7428E0720DD__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include <windows.h>

	class CXWMutex  
	{
	public:
		CXWMutex();
		virtual ~CXWMutex();
		void Lock(DWORD timeout=INFINITE);
		void Unlock();
	private:
		HANDLE hMutex;
	};

	class CNoMutex
	{
	public:
		void Lock(){/*do nothing*/};
		void Unlock(){/*do nothing*/};
	};

	typedef CNoMutex SingleThread;
	typedef CXWMutex MultiThread;


#endif // !defined(AFX_MUTEX_H__BA1E978D_EE0B_41D4_994E_E7428E0720DD__INCLUDED_)