[Mono-list] Dispose method is never called

[Gonzalo Paniagua Javier]

El dom, 06-07-2003 a las 17:20, Giuseppe Greco escribió:
> Hi all,
> 
> I've a class that starts a worker thread like
> this:
> 
> class MyClass
> {
>   bool isDisposed = false;
>   Thread myThread;
> 
>   public MyClass()
>   {
>       ...
>       myThread = new Thread(new ThreadStart(MyThreadMethod));
>       myThread.Start();
>       myThread.IsBackground = true;
>    }
> 
>   ~MyClass()
>   {
>     Dispose(false)
>   }
> 
>   public void Dispose()
>   {
>     Dispose(true);
>     GC.SuppressFinalize(this);
>   }
> 
>   protected virtual void Dispose(bool disposing)
>   {
>     if (!isDisposed) {
>       isDisposed = true;
> 
>       myThread.Join(); // should wait until MyThreadMethod()
>                        // completes its work...
>       myThread = null;
>                                                                  
>       if (disposing) {
>         ...
>       }
>     }
>   }
> 
>   private void MyThreadMethod()
>   {
>     while (!isDisposed) {
>       ...
>     {
>   }
> }
> 
> Well, in the class above, the Dispose() method is never
> called. This is a problem if one needs to wait until the
> thread has finished its work -- Thread.Join() should block
> until then.
> 
> The destructor -- ~MyClass() -- is never called.

Is it called under windows? I think it's not because MyThreadMethod is
accessing isDisposed field, which belongs to the class instance. That's
why it's never disposed.

-Gonzalo