C#线程并发执行的实例[转]

public class MutexTest
     {
         private static int poolFlag = 0; //声明标记
         private const int amountThread = 10;//线程总量
         private const int maxThread = 3;//可执行线程最大数量
         private static Mutex muxConsole = new Mutex();
 
        public static void Main()
         {
             for (int i = 0; i < amountThread; i++)
             {
                 // 创建指定数量的线程，线程调用Run函数
                 Thread trd = new Thread(new ThreadStart(Run));
                 trd.Name = "线程" + i;
                 trd.Start();
             }
 

        }
         public static void Run()
         {
             muxConsole.WaitOne();  //阻塞队列
             Interlocked.Increment(ref poolFlag);  //标记+1
             if (poolFlag < maxThread)   //判断是否达到线程上限
                 muxConsole.ReleaseMutex();     //释放队列锁，加入执行线程
             Console.WriteLine("{0} 正在运行......\n", Thread.CurrentThread.Name);
             Thread.Sleep(3000);   //模拟执行，暂停3秒钟
             Console.WriteLine("{0} 已经中止......\n", Thread.CurrentThread.Name);
             Interlocked.Decrement(ref poolFlag);  //标记-1
             try
             {
                 muxConsole.ReleaseMutex(); //释放阻塞
             }
             catch { }
         }
     }