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Posted By

nivlam on 04/15/12


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Volatile demo

 / Published in: C#
 

Run without a debugger in debug mode and release mode. Different behavior.

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  1. class Program
  2.     {
  3.         static void Main(string[] args)
  4.         {
  5.             bool stop = false;
  6.  
  7.             new Thread(() =>
  8.             {
  9.                 Thread.Sleep(2000);
  10.                 stop = true;
  11.                 Console.WriteLine("Set \"stop\" to true.");
  12.  
  13.             }).Start();
  14.  
  15.             Console.WriteLine("Entering loop.");
  16.  
  17.             while (!stop)
  18.             {   
  19.             }
  20.  
  21.             Console.WriteLine("Out of loop.  Finished.");
  22.         }
  23.     }

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Posted By: shadoh on November 2, 2012

Wow, although it kind of makes sense because Stop will lose focus when it goes in to a separate function. If you make Stop static, and declare it outside the main function, both versions respond the same.

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