线程池

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C#线程池

using System;

using System.Threading;

namespace ThreadPoolTest

   class MainApp

      static void Main()

         WaitCallback callBack;

         callBack = new WaitCallback(PooledFunc);

         ThreadPool.QueueUserWorkItem(callBack,

            "Is there any screw left?");

         ThreadPool.QueueUserWorkItem(callBack,

            "How much is a 40W bulb?");

         ThreadPool.QueueUserWorkItem(callBack,

            "Decrease stock of monkey wrench");

         Console.ReadLine();

      static void PooledFunc(object state)

         Console.WriteLine("Processing request '{0}'", (string)state);

         // Simulation of processing time

         Thread.Sleep(2000);

         Console.WriteLine("Request processed");

我们可以通过在两个方法中加入如下的代码，以此看到更多的信息。

 // Main method

   Console.WriteLine("Main thread. Is pool thread: {0}, Hash: {1}",

            Thread.CurrentThread.IsThreadPoolThread,

            Thread.CurrentThread.GetHashCode());

// Pool method

   Console.WriteLine("Processing request '{0}'." +

      " Is pool thread: {1}, Hash: {2}",

      (string)state, Thread.CurrentThread.IsThreadPoolThread,

      Thread.CurrentThread.GetHashCode());

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