多線程中互斥對象的使用示例

z摘自孫鑫書籍

#include <Windows.h>
#include <iostream>

DWORD WINAPI pThread(LPVOID lpParameter);//線程一
DWORD WINAPI sThread(LPVOID lpParameter);//線程二
using namespace std;
int tickets=100;
HANDLE hMutex;//互斥對象句柄
void main()
{
HANDLE hThread1;
HANDLE hThread2;

cout<<"start cell:"<<endl;
hThread1=CreateThread(NULL,0,pThread,NULL,0,NULL);
Sleep(10);
hThread2=CreateThread(NULL,0,sThread,NULL,0,NULL);


CloseHandle(hThread2);
CloseHandle(hThread1);

//創建互斥對象
hMutex=CreateMutex(NULL,false,NULL);

getchar();
//Sleep(5000);
}

//thread1
DWORD WINAPI pThread(LPVOID lpParameter)
{
while(TRUE)
{
WaitForSingleObject(hMutex,INFINITE);
if (tickets>0)
{
Sleep(1000);
cout<<"ppp cell ticket:"<<tickets--<<endl;
}
else
break;
ReleaseMutex(hMutex);

}
return 0;
}

//thread2
DWORD WINAPI sThread(LPVOID lpParameter)
{
while(TRUE)
{
WaitForSingleObject(hMutex,INFINITE);
if (tickets>0)
{
Sleep(1000);
cout<<"sss cell ticket:"<<tickets--<<endl;
}
else
break;
ReleaseMutex(hMutex);

}
return 0;
}