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illustrates the use of the Mutex object
illustrates the use of the Mutex object

/*
Mastering Visual C# .NET
by Jason Price, Mike Gunderloy

Publisher: Sybex;
ISBN: 0782129110
*/

/*
  Example14_11.cs illustrates the use of the Mutex object
*/

using System;
using System.Threading;

public class Example14_11 
{
  // a shared counter
  private static int Runs = 0;

  // a mutex
  static Mutex mtx;

  // the CountUp method increments the shared counter
  public static void CountUp() 
  {
    while (Runs < 10)
    {
      // acquire the mutex
      mtx.WaitOne();
      int Temp = Runs;
      Temp++;
      Console.WriteLine(Thread.CurrentThread.Name + " " + Temp);
      Thread.Sleep(1000);
      Runs = Temp;
      // release the mutex
      mtx.ReleaseMutex();
    
  }

  public static void Main() 
  {

    // create the mutex
    mtx = new Mutex(false, "RunsMutex");

    // create and launch two threads
    Thread t2 = new Thread(new ThreadStart(CountUp));
    t2.Name = "t2";
    Thread t3 = new Thread(new ThreadStart(CountUp));
    t3.Name = "t3";
    t2.Start();
    t3.Start();

  }

}


           
       
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