多线程中互斥对象的使用示例

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z摘自孙鑫书籍

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

DWORD WINAPI pThread(LPVOID lpParameter);//线程一
DWORD WINAPI sThread(LPVOID lpParameter);//线程二
using namespace std;
int tickets=100;
HANDLE hMutex;//互斥对象句柄
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);
 
 //创建互斥对象
 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;
}