[Mono-devel-list] Re: [Mono-list] exceptions are not thrown from ThreadPool'ed thread objects?

[Mariano Alarcon]

It works as expected with ms.net without having to uncomment anything.

gennady wexler wrote:

>has anyone noticed this problem? that is if you have a ThreadPool'ed thread
>object created, any exception thrown inside of that thread will not be
>rethrown up at all. I ran into this accidentally while developing some
>performance code..
>
>here's an example, could someone please try this with .net compiler/runtime?
>
>if you just compile and run it, the exception in _ThreadProc does not get
>thrown.
>
>now, if you uncomment regular thread definition below "ThreadPool" - you
>will get "exception 2" get thrown.
>
>any ideas? is this expected? I hope not...
>
>using System;
>using System.Threading;
>
>public class main {
>        static void Main() {
>                // this will not throw exception 1 (seems to be a bug?)
>                ThreadPool.UnsafeQueueUserWorkItem(new
>                        WaitCallback(_ThreadProc), null);
>
>                // uncomment this to thrown exception 2 (as expected)
>                // new Thread(new ThreadStart(_ThreadProc2)).Start();
>
>                Thread.Sleep(90000);
>        }
>
>        private static void _ThreadProc(Object state) {
>                throw new Exception("exception 1");
>        }
>
>        private static void _ThreadProc2() {
>                throw new Exception("exception 2");
>        }
>}
>
>
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