c# 多線程 讀寫分離

標籤：enter   阻塞   color   err   stat   hashtable   new   oid   sync   

class Program    {        private static ReaderWriterLockSlim _LockSlim = new ReaderWriterLockSlim();        private static Hashtable list = Hashtable.Synchronized(new Hashtable());        static void Main(string[] args)        {            new Thread(new ParameterizedThreadStart(delegate(object obj) {                Write(0, 10000);            })).Start();            Thread.Sleep(1000);            new Thread(new ParameterizedThreadStart(delegate(object obj)            {                Read(1, 1000);            })).Start();            new Thread(new ParameterizedThreadStart(delegate(object obj)            {                Read(2, 1000);            })).Start();            new Thread(new ParameterizedThreadStart(delegate(object obj)            {                Read(3, 1000);            })).Start();            new Thread(new ParameterizedThreadStart(delegate(object obj)            {                Read(4, 1000);            })).Start();            Console.ReadKey();        }        /// <summary>        /// 對於i相同的線程進行阻塞保證不會並行多個        /// </summary>        /// <param name="i"></param>        /// <param name="j"></param>        public static void Read(int i,int j)        {            Console.WriteLine(DateTime.Now.ToString() + "\t線程" + i.ToString() + "即將進入讀取狀態");            _LockSlim.EnterReadLock();            Console.WriteLine(DateTime.Now.ToString() + "\t線程" + i.ToString() + "進入讀取狀態");                        Thread.Sleep(j);            _LockSlim.ExitReadLock();            Console.WriteLine(DateTime.Now.ToString() + "\t線程" + i.ToString() + "退出讀取狀態");        }        public static void Write(int i, int j)        {            Console.WriteLine(DateTime.Now.ToString() + "\t線程" + i.ToString() + "即將進入寫入狀態");            _LockSlim.EnterWriteLock();            Console.WriteLine(DateTime.Now.ToString() + "\t線程" + i.ToString() + "進入寫入狀態");            Thread.Sleep(j);            _LockSlim.ExitWriteLock();            Console.WriteLine(DateTime.Now.ToString() + "\t線程" + i.ToString() + "退出寫入狀態");        }    }

輸出：

2017/2/20 17:51:55      線程0即將進入寫入狀態2017/2/20 17:51:55      線程0進入寫入狀態2017/2/20 17:51:56      線程1即將進入讀取狀態2017/2/20 17:51:56      線程2即將進入讀取狀態2017/2/20 17:51:56      線程3即將進入讀取狀態2017/2/20 17:51:56      線程4即將進入讀取狀態2017/2/20 17:52:05      線程1進入讀取狀態2017/2/20 17:52:05      線程4進入讀取狀態2017/2/20 17:52:05      線程0退出寫入狀態2017/2/20 17:52:05      線程2進入讀取狀態2017/2/20 17:52:05      線程3進入讀取狀態2017/2/20 17:52:06      線程2退出讀取狀態2017/2/20 17:52:06      線程1退出讀取狀態2017/2/20 17:52:06      線程4退出讀取狀態2017/2/20 17:52:06      線程3退出讀取狀態

 

c# 多線程 讀寫分離