[Haskell] ANNOUNCE: Visual Haskell 0.2 final

Simon Marlow simonmarhaskell at gmail.com
Tue Dec 12 07:03:44 EST 2006

Krasimir Angelov wrote:
> This usually happens when there is an uncaught Haskell exception. In
> this case the RTS shows it in a message box. The problem is that with
> threaded RTS the running thread might be different from the main
> thread and in this case you can't see the message. Instead you have to
> use the Spy++ tool distributed with Visual Studio. Look for a message
> box with title "vs_haskell.dll" and see the message inside it.

So it isn't possible to call MessageBox() from an arbitrary thread?  Should we 
be doing something in the RTS to work around this?


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