【Windows原理】线程同步-事件对象2

#include "stdafx.h"
#include <windows.h>


HANDLE g_hEventA = nullptr;

// 三个只读线程
DWORD WINAPI ThreadProcA(LPVOID lpParam)
{
    WaitForSingleObject(g_hEventA, INFINITE);
    // 字数计算
    return 0;
}
DWORD WINAPI ThreadProcB(LPVOID lpParam)
{
    WaitForSingleObject(g_hEventA, INFINITE);
    // 语法检查
    return 0;
}
DWORD WINAPI ThreadProcC(LPVOID lpParam)
{
    WaitForSingleObject(g_hEventA, INFINITE);
    // 拼写检查
    return 0;
}

int _tmain(int argc, _TCHAR* argv[])
{
    if (!(g_hEventA = CreateEvent(NULL, TRUE, FALSE, NULL)))return 0;

    HANDLE hHandle[3] = {};
    hHandle[0] = CreateThread(NULL, 0, ThreadProcA, NULL, 0, NULL);
    hHandle[1] = CreateThread(NULL, 0, ThreadProcB, NULL, 0, NULL);
    hHandle[2] = CreateThread(NULL, 0, ThreadProcC, NULL, 0, NULL);

    // 文件读写操作 。。。

    // 激活三个线程
    SetEvent(g_hEventA);
    // 等待所有线程全部返回
    WaitForMultipleObjects(3, hHandle, TRUE, INFINITE);
    system("pause");

    return 0;
}

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转载自blog.csdn.net/cssxn/article/details/80637993