Re: [wxhaskell-users] wxHaskell and forkIO or forkOS

[<mac...@gm...>]

There is indeed a claim in wxHaskell FAQ that it is incompatible with
Haskell threads. I have, however, used threads spawned with forkIO to
update wxHaskell GUI in toy apps, without any ill effects. Examples:

http://mmakowski.com/wiki/tech:haskell_mvc
https://github.com/mmakowski/habaz

I'd be interested to learn how the incompatibility can manifest itself
-- if there indeed is any.

Regards,
Maciek

On Fri, Sep 2, 2011 at 9:41 AM, D.V. <dav...@gm...> wrote:
> Bonjour List !
>
> I am writing a program that is supposed to listen to a tcp port, and
> when a client connects,
> update a UI done with wxHaskell.
>
> Since wxHaskell is not compatible with multiple threads, I am not sure
> how to do this.
>
> an idea I have is to
>
> - forkOS a thread which will do the network part.
> - when a message is sent from a client, write it to a channel
> - on the other thread, have a wxHaskell timer check periodically if a
> new message is available, update the UI if needed.
>
> I've tried it and it looks like it's working, but I anyone has some
> remark I'm interested.
>
> David.
>
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