MFC互斥对象实现多线程同步实例

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MFC互斥对象实现多线程同步实例

// vs23_5_9.cpp : 定义控制台应用程序的入口点。
//txwtech

#include "stdafx.h"
#include "windows.h"
DWORD WINAPI ThreadProc1(LPVOID lpParam);
DWORD WINAPI ThreadProc2(LPVOID lpParam);
int iGolbalCount=0;
int iMax=12;
HANDLE hMutex;



int _tmain(int argc, _TCHAR* argv[])
{
	HANDLE hThread1,hThread2;
	hThread1=CreateThread(NULL,0,ThreadProc1,NULL,0,NULL);
	hThread2=CreateThread(NULL,0,ThreadProc2,NULL,0,NULL);
	hMutex=CreateMutex(NULL,true,LPCTSTR("iGobalCount"));
	//hMutex=CreateMutex(NULL,false,LPCTSTR("iGobalCount"));
	if(hMutex==NULL)
	{
		printf("创建互斥对象失败\r\n");
		return 0;
	}
	WaitForSingleObject(hMutex,INFINITE);
	ReleaseMutex(hMutex);
	ReleaseMutex(hMutex);
	Sleep(10000);
	//CloseHandle(hThread1);
//	CloseHandle(hThread2);
	
	printf("主线程结束！");
	Sleep(5000);

	return 0;
}
DWORD WINAPI ThreadProc1(LPVOID lpParam)
{
	while(true)
	{
		WaitForSingleObject(hMutex,INFINITE);
		if(iGolbalCount<iMax)
			printf("这里是线程1，iGolbalCount=%d\r\n",iGolbalCount++);
		else
			break;
		ReleaseMutex(hMutex);
		Sleep(500);
	}
	return 0;
}
DWORD WINAPI ThreadProc2(LPVOID lpParam)
{
	while(true)
	{
		WaitForSingleObject(hMutex,INFINITE);
		if(iGolbalCount<iMax)
			printf("这里是线程2，iGolbalCount=%d\r\n",iGolbalCount++);
		else
			break;
		ReleaseMutex(hMutex);
		Sleep(500);
	}
	return 0;
}