[Haskell-cafe] Re: Waiting for thread to finish

[Maurí­cio]

 >> Hi,
 >>
 >> After I have spawned a thread with 'forkIO',
 >> how can I check if that thread work has
 >> finished already?  Or wait for it?
 >>

 > The best way to do this is using
 > Control.Exception.finally: (...)
 >
 > These techniques are needed because forkIO is a
 > very lightweight threading mechanism.  Adding
 > precisely the features you need makes for good
 > performance control, as seen in the great
 > computer language shootout benchmarks.

Changing ugly code for bad performance is not that
usual in Haskell code :(

Best,
Maurício