class Program
    {
        static  Thread SeekBookThread = new Thread(new ThreadStart(TestMutiThrd.SeekProc));
        static  Thread payMoneyThread = new Thread(new ThreadStart(TestMutiThrd.PayMoneyProc));
        static Thread getBookThread = new Thread(new ThreadStart(TestMutiThrd.GetBookProc));
        
 
static void Main(string[] args)
        { 
        
            SeekBookThread.Name = "掃描執行緒";
            SeekBookThread.Start();


      
            payMoneyThread.Name = "付錢執行緒";
            payMoneyThread.Start();


        
            getBookThread.Name = "取書執行緒";
            getBookThread.Start();


            
 
for (int i = 1; i <= TestMutiThrd.numIterations; i++)
            {
                Console.WriteLine("買書執行緒：書本{0}", i);
                TestMutiThrd.number = i;
                //Signal that a value has been written.
                TestMutiThrd.SekEvent.Set();//
 
解鎖掃描執行緒
                TestMutiThrd.buyResetEvent.WaitOne();//等待買書所有執行緒執行結束，才能繼續
                Thread.Sleep(0);
            }
            Thread.Sleep(1000);
            Console.ReadLine();
            SeekBookThread.Abort();
            payMoneyThread.Abort();
            getBookThread.Abort();
        }
    }


    public class TestMutiThrd
    {
        public const int numIterations = 50;
        //買書
        public static AutoResetEvent buyResetEvent = new AutoResetEvent(false);
        //掃描
        public static AutoResetEvent SekEvent = new AutoResetEvent(false);
        //付錢
        public static AutoResetEvent PayEvent = new AutoResetEvent(false);
        //取書
        public static AutoResetEvent GetEvent = new AutoResetEvent(false);
        //付錢和取書
        public static ManualResetEvent PayGetEvent = new ManualResetEvent(false);


        public static ReaderWriterLock RWLock = new ReaderWriterLock();
        //static ManualResetEvent myResetEvent = new ManualResetEvent(false);
        //static ManualResetEvent ChangeEvent = new ManualResetEvent(false);
        public static int number; //這是關鍵資源
        public static TestMutiThrd OTestMutiThrd = new TestMutiThrd();


        public int NumIterations
        {
            get
            {
                return numIterations;
            }
        }


        /// <summary>
        /// 掃描過程
        /// </summary>
        public static void SeekProc()
        {
            while (true) //(thread.ThreadState != ThreadState.Aborted)
            {
                SekEvent.WaitOne();
                //SekEvent.Reset();
                Console.WriteLine("{0}：書本{1}", Thread.CurrentThread.Name, number);
                Thread.Sleep(0);
                PayEvent.Set();//解鎖付款執行緒
                //PayGetEvent.Set();//同時解鎖付款和取書執行緒
            }
        }


        /// <summary>
        /// 付錢過程
        /// </summary>
        public static void PayMoneyProc()
        {
            while (true)
            {
                PayEvent.WaitOne();
                Console.WriteLine("{0}：書本{1}", Thread.CurrentThread.Name, number);
                Thread.Sleep(10);
                GetEvent.Set();//解鎖取書執行緒
            }
        }


        /// <summary>
        /// 取書過程
        /// </summary>
        public static void GetBookProc()
        {
            while (true)
            {
                GetEvent.WaitOne();         
                Console.WriteLine("{0}：書本{1}", Thread.CurrentThread.Name, number);
                Console.WriteLine("------------------------------------------");
                Thread.Sleep(10);
                buyResetEvent.Set();//解鎖買書執行緒
            }
        }
    }