事件实现同步

#include "stdafx.h"
#include <windows.h>
HANDLE g_hSet = NULL;
HANDLE g_hClean = NULL;

int g_max = 10;
int g_num = 0;

DWORD WINAPI t1(LPVOID lpargv)
{
        for(int i =0;i<g_max;i++)
        {
                WaitForSingleObject(g_hSet,INFINITE);
                g_num = 1;
                //Sleep(100);
                printf("线程1执行了 %d\n",g_num);
                SetEvent(g_hClean);
                
        }
        return 0;
}

DWORD WINAPI t2(LPVOID lpargv)
{
        for(int i =0;i<g_max;i++)
        {
                WaitForSingleObject(g_hClean,INFINITE);
                g_num = 0;
                //Sleep(100);
                printf("线程2执行了 %d\n",g_num);
                SetEvent(g_hSet);
        }
        return 0;
}

int _tmain(int argc, _TCHAR* argv[])
{

        //第二个参数true通知类型，false互斥类型
        g_hSet = CreateEvent(NULL,FALSE,TRUE,NULL);
        g_hClean = CreateEvent(NULL,FALSE,FALSE,NULL);
        
        HANDLE hThread[2];
        hThread[0] = CreateThread(NULL,0,t1,NULL,0,NULL);
        hThread[1] = CreateThread(NULL,0,t2,NULL,0,NULL);

        WaitForMultipleObjects(2,hThread,TRUE,INFINITE);

        CloseHandle(hThread[0]);
        CloseHandle(hThread[1]);
        CloseHandle(g_hSet);
        CloseHandle(g_hClean);
        return 0;
}