fn.cpp

这个代码是C/C++多线程初学者必看的第一个程序代码。

// fn.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include<iostream.h>
#include<process.h>
#include<windows.h>
#include<stdio.h>

BOOL repeat=TRUE;

DWORD WINAPI mythread1(LPVOID lpParameter)
{
	while(repeat)
	{
		printf("How are you?\n");
		Sleep(1000);
	}

	DWORD exitCode;
	ExitThread(exitCode);

	return 0;
}

DWORD WINAPI mythread2(LPVOID lpParameter)
{
	while(repeat)
	{
		printf("Very well!\n");
		Sleep(750);
	}

	DWORD exitCode;
	ExitThread(exitCode);

	return 0;
}

DWORD WINAPI killthread(LPVOID lpParameter)
{
	repeat=FALSE;
	return 0;
}

int main(int argc, char* argv[])
{
	HANDLE handle1,handle2,handle3;
	DWORD dw1,dw2,dw3;
	handle1=CreateThread(NULL,0,mythread1,NULL,0,&dw1);

	if(handle1==NULL)
	{
		printf("Create Thread 1 Failed!\n");
		return -1;
	}
	handle2=CreateThread(NULL,0,mythread2,NULL,0,&dw2);
	if(handle2==NULL)
	{
		printf("Create Thread 2 Failed!\n");
		return -1;
	}

	Sleep(10000);/*推迟延时，线程1和线程2在此期间不断交替运行*/

	handle3=CreateThread(NULL,0,killthread,NULL,0,&dw3);

	if(handle3==NULL)
	{
		printf("Create Thread 3 Failed!\n");
		return -1;
	}

	CloseHandle(handle1);
	CloseHandle(handle2);
	CloseHandle(handle3);
	return 0;
}