Re: [Haskell-beginners] forkIO and signal handlers

Here's the error message. The problem is clear, not sure what to do about it. My broken code should show my intent though.

main :: IO () main = do let world = (newEmptyTMVar :: ProcessState) let jCount = (newEmptyTMVar :: JobCount) installHandler userDefinedSignal1 (forkIO $ Catch $ worldHandler world jCount) Nothing sequence_ $ repeat $ worldCheck

I'd like to fork in Main. Right now I'm forking in worldHandler. If that's what I have to do, then I'll just move on. But I'd like to keep the forkIO call in Main if possible. On Fri, Sep 9, 2011 at 12:46 PM, Brandon Allbery wrote:

On Fri, Sep 9, 2011 at 15:35, Michael Litchard wrote:

...

Thanks for the reply. The problem isn't signal handling, nor is it using forkIO. It's using both of them together.

I think you'll have to provide an example of what you're trying to do and the error message you get. -- brandon s allbery                                      allbery.b@gmail.com wandering unix systems administrator (available)     (412) 475-9364 vm/sms