[Win32]C++多线程编程实例

//这是2个线程模拟卖火车票的小程序
#include <windows.h>
#include <iostream>
using namespace std;

DWORD WINAPI Fun1Proc(LPVOID lpParameter);//thread data
DWORD WINAPI Fun2Proc(LPVOID lpParameter);//thread data

int index=0;
int tickets=10;
HANDLE hMutex;
void main()
{
HANDLE hThread1;
HANDLE hThread2;
//创建线程

hThread1=CreateThread(NULL,0,Fun1Proc,NULL,0,NULL);
hThread2=CreateThread(NULL,0,Fun2Proc,NULL,0,NULL);
CloseHandle(hThread1);
CloseHandle(hThread2);

//创建互斥对象
hMutex=CreateMutex(NULL,TRUE,"tickets");
if (hMutex)
{
if (ERROR_ALREADY_EXISTS==GetLastError())
{
cout<<"only one instance can run!"<<endl;
return;
}
}
WaitForSingleObject(hMutex,INFINITE);
ReleaseMutex(hMutex);
ReleaseMutex(hMutex);

Sleep(4000);
system("pause");
}
//线程1的入口函数
DWORD WINAPI Fun1Proc(LPVOID lpParameter)//thread data
{
while (true)
{
ReleaseMutex(hMutex);
WaitForSingleObject(hMutex,INFINITE);
if (tickets>0)
{
Sleep(1);
cout<<"thread1 sell ticket :"<<tickets--<<endl;
}
else
break;
ReleaseMutex(hMutex);
}
return 0;
}
//线程2的入口函数
DWORD WINAPI Fun2Proc(LPVOID lpParameter)//thread data
{
while (true)
{
ReleaseMutex(hMutex);
WaitForSingleObject(hMutex,INFINITE);
if (tickets>0)
{
Sleep(1);
cout<<"thread2 sell ticket :"<<tickets--<<endl;
}
else
break;
ReleaseMutex(hMutex);
}
return 0;
}