[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?

Cheers,
	Simon


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