Code example proven to fail w/o volatile

Question

Below is a C# code example which is a verbatim translation of a broken Java code (which has proven to break (i. e. the 2nd thread may fail to observe the change of sha

Answer 1

This should get stuck in an infinite loop (I can't test it right now)

public class Test
{
  private bool loop = true;

  public static void Main()
  {
    Test test = new Test();
    Thread thread = new Thread(DoStuff);
    thread.Start(test);

    Thread.Sleep(1000);

    test.loop = false;
    Console.WriteLine("loop is now false");
  }

  private static void DoStuff(object o) {
    Test test = (Test)o;
    Console.WriteLine("Entering loop");
    while (test.loop) {

    }
    Console.WriteLine("Exited loop");
  }

}