c#多線程(三)

代碼

       #region 訊號使用於任務分解
        
        static EventWaitHandle ready=new AutoResetEvent(false);
        static EventWaitHandle go=new AutoResetEvent(false);
        static volatile string task="";
        static void WaitEventHandlerThreadTest()
        {
            //一個任務分解為多個線程來完成
            new Thread(DoWorker).Start();
            for (int i=0;i<5 ;i++ ) 
            {
                ready.WaitOne();//首先背景工作執行緒等待，直到背景工作執行緒準備好。
                task="a".PadRight(i,'h'); //給工作任務賦值
                go.Set();  //然後開始執行
            }
            ready.WaitOne();task=null;go.Set();
        }
        
        static void DoWorker()
        {
            while(true)
            {
                ready.Set(); //說明該線程已經準備好。
                go.WaitOne(); //然後等待退出
                if(task==null)return; //退出線程
                Console.WriteLine(task);
            }
        }
        #endregion
        
        #region 測試線程jion方法
        
        static void JoinThreadTest()
        {
            Thread t=new Thread(delegate()
                       {
                                    //while(true)
                                    //{
                                        Console.ReadLine();
                                    //}
                       });
            t.Start();
            t.Join();
            Console.WriteLine("Thread ReadLine is complete！");
        }
        
        #endregion