39 windows_39_Thread_Event 线程 - 事件

windows_39_Thread_Event 线程 - 事件

// windows_39_Thread_Event.cpp : 定义控制台应用程序的入口点。
//
#include "stdafx.h"
#include "windows.h"
HANDLE g_hEvent = NULL;
HANDLE g_hEvent2 = NULL;
//发送线程
DWORD WINAPI ThreadSend( LPVOID pParam )
{
  while (1)
  {
    SetEvent( g_hEvent );
    Sleep( 500 );
    SetEvent( g_hEvent2 );
    Sleep( 500 );
  }
  return 0;
}
//接收线程
DWORD WINAPI ThreadRecv( LPVOID pParam )
{
  while (1)
  {
    //等候事件通知
    WaitForSingleObject( g_hEvent,INFINITE);
    printf( "Hello Event: %p\n", g_hEvent );
  }
  return 0;
}
DWORD WINAPI ThreadRecv2( LPVOID pParam )
{
  while (1)
  {
    //等候事件通知
    WaitForSingleObject( g_hEvent2,INFINITE);
    printf( "Hello Event: %p\n", g_hEvent );
    Sleep( 500 );
  }
  return 0;
}
//线程创建
void Create( )
{
  DWORD nThreadID = 0;
  HANDLE hThread[3] = { NULL };
  //创建触发事件
  hThread[0] = CreateThread( NULL, 0, ThreadSend, NULL, 0, &nThreadID );
  hThread[1] = CreateThread( NULL, 0, ThreadRecv, NULL, 0, &nThreadID );
  hThread[2] = CreateThread( NULL, 0, ThreadRecv2, NULL, 0, &nThreadID );
}
int _tmain(int argc, _TCHAR* argv[])
{
  //创建自动重置事件
  g_hEvent = CreateEvent( NULL, FALSE, FALSE, NULL );
  //创建手动重置事件
  g_hEvent2 = CreateEvent( NULL, TRUE, FALSE, NULL );
  Create( );
  getchar( );
  //关闭事件
  CloseHandle( g_hEvent );
  CloseHandle( g_hEvent2 );
	return 0;
}

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