对于C++锁的封装及使用

#PRagma once#include <windows.h>#include <WinBase.h>class GSMutex{public:	GSMutex(void);	~GSMutex(void);	void	Lock();			//加锁	void	Unlock();		//解锁	bool	TryLock();		//true获取锁成功，false失败private:	CRITICAL_SECTION m_hOS;};class GSAutoMutex{public:	GSAutoMutex(GSMutex& mutex);	~GSAutoMutex(void);private :	GSMutex& m_mutex;};GSMutex.cpp
#include "StdAfx.h"#include "GSMutex.h"GSMutex::GSMutex(void){	InitializeCriticalSection(&m_hOS);	}GSMutex::~GSMutex(void){	DeleteCriticalSection(&m_hOS);}void GSMutex::Lock(){	EnterCriticalSection(&m_hOS);}void GSMutex::Unlock(){	LeaveCriticalSection(&m_hOS);}bool GSMutex::TryLock(){	if (!TryEnterCriticalSection(&m_hOS))	{		return false;	}	return true;}GSAutoMutex::GSAutoMutex(GSMutex& mutex):m_mutex(mutex){	m_mutex.Lock();}GSAutoMutex::~GSAutoMutex(void){	m_mutex.Unlock();}LockTest.cpp
// LockTest.cpp : 定义控制台应用程序的入口点。//#include "stdafx.h"#include <windows.h>#include <WinBase.h>#include <process.h>#include "GSMutex.h"GSMutex cs;unsigned int WINAPI ThreadFuncA(LPVOID lp){	GSAutoMutex csAuto(cs);	Sleep(3000);	printf("This is threadA/n");	return 0;}unsigned int WINAPI ThreadFuncB(LPVOID lp){	GSAutoMutex csAuto(cs);	printf("This is threadB/n");	return   0;}int _tmain(int argc, _TCHAR* argv[]){	HANDLE hThreadHandleArry[2];	memset(hThreadHandleArry, 0, sizeof(HANDLE)*2);	hThreadHandleArry[0] = (HANDLE)_beginthreadex(NULL, 0, ThreadFuncA, NULL, 0, 0);	hThreadHandleArry[1] = (HANDLE)_beginthreadex(NULL, 0, ThreadFuncB, NULL, 0, 0);		WaitForMultipleObjects(2, hThreadHandleArry, TRUE, INFINITE); 	for (int i = 0; i < 2; i++)	{		if (hThreadHandleArry[i] != NULL)		{			//关闭线程句柄，不会导致线程关闭			CloseHandle(hThreadHandleArry[i]);			hThreadHandleArry[i] = NULL;		}	}	system("pause");	return 0;}参考文章：http://blog.csdn.net/feixiaoxing/article/details/7017727