[Haskell-cafe] Re: Hugsvs GHC (again)was: Re: Somerandomnewbiequestions

Simon Marlow simonmar at microsoft.com
Thu Jan 20 04:25:49 EST 2005

On 19 January 2005 16:58, Keean Schupke wrote:

> Simon Marlow wrote:
>> This is what GHC does, if I understand you correctly.  The thread
>> running select() does so in its own OS thread, while another OS
>> thread runs the Haskell code.  As long as you use -threaded, that
>> is.  Oh, and before GHC 6.4 it was done a different way - the
>> scheduler used to do the select() between running Haskell threads.
>> Cheers,
>> 	Simon
> So this means even though the IO calls block, the other Haskell
> threads (when run with -threaded) keep running?

Yes, unless the IO is to/from disk on a Unix system.


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