孙鑫MFC第十五讲 线程和互斥对象等

#include <windows.h>

//#include <Winbase.h>

#include <iostream>

using namespace std;

DWORD Fun1Proc(LPVOID lpParameter);

DWORD Fun2Proc(LPVOID lpParameter);

int tickets = 100;

HANDLE hMutex;

void main()

{

HANDLE hThread1,hThread2;

hThread1 = CreateThread(nullptr, 0, (LPTHREAD_START_ROUTINE)Fun1Proc, nullptr, 0, nullptr);

hThread2 = CreateThread(nullptr, 0, (LPTHREAD_START_ROUTINE)Fun2Proc, nullptr, 0, nullptr);

CloseHandle(hThread1);///关闭句柄 不等于关闭了线程，不在使用线程句柄 应关闭！

CloseHandle(hThread2);

hMutex = CreateMutex(nullptr,FALSE,nullptr);

Sleep(4000);///通过SLEEP 而不是while（）死循环 不占用CPU时间

/*cout << "main thread is running!\n";

Sleep(1000);*/

}///主线程退出 这个进程也就退出了 所以就看不到thread1的运行了，可

////可以通过在MAIN在COUT 之后暂停运行；比如：sleep（）；

DWORD Fun1Proc(LPVOID lpParameter)

{

while (1)

{

WaitForSingleObject(hMutex, INFINITE);///无限等待，直到等到消息

if (tickets > 0)

{

Sleep(1);

cout << "thread1 sell tickets :" << tickets-- << endl;

}

else

{

break;

}

ReleaseMutex(hMutex);

}

return 0;

}

DWORD Fun2Proc(LPVOID lpParameter)

{

while (1)

{

WaitForSingleObject(hMutex, INFINITE);

if (tickets > 0)

{

Sleep(1);

cout << "thread2 sell tickets :" << tickets-- << endl;

}

else

{

break;

}

ReleaseMutex(hMutex);

}

return 0;

}