CreateEvent人工重置事件对象

#include <stdio.h>
#include <windows.h>

/*
人工重置的事件对象有信号状态，所有的线程都可以运行ResetEvent
自动重置的事件对象有信号状态，所有的线程只有一个变为可调度线程

*/

DWORD WINAPI ThreadProc1(  LPVOID lpParameter);
DWORD WINAPI ThreadProc2(  LPVOID lpParameter);
HANDLE hEvent=NULL;
int i=100;
int main( void )
{
	hEvent=CreateEvent(NULL,TRUE,FALSE,NULL);  //人工重置事件对象---无信号状态
	SetEvent(hEvent);      //设置事件有信号状态
	HANDLE hThread[2]={0};
	hThread[0]=CreateThread(NULL,NULL,ThreadProc1,NULL,NULL,NULL);
	hThread[1]=CreateThread(NULL,NULL,ThreadProc2,NULL,NULL,NULL);
	CloseHandle(hThread[0]);
	CloseHandle(hThread[1]);

	getchar();
	CloseHandle(hEvent);
	return 0;
}

DWORD WINAPI ThreadProc1(  LPVOID lpParameter)
{
	while (i>0)
	{
		
		WaitForSingleObject(hEvent,INFINITE);  //等待有信号状态
		ResetEvent(hEvent); 
		Sleep(1); 
		printf("ThreadProc1 %d\n",i--);
		SetEvent(hEvent); 
		Sleep(1); 
		 	
	}
	return 0;
}

DWORD WINAPI ThreadProc2(  LPVOID lpParameter)
{
	while(i>0)
	{
		WaitForSingleObject(hEvent,INFINITE);  //等待有信号状态
		ResetEvent(hEvent);  
		Sleep(1); 
		printf("ThreadProc2 %d\n",i--);
		SetEvent(hEvent);
		Sleep(1); 
	}
	return 0;
}