[Haskell-cafe] Re: Thread priority?

Neal Alexander relapse.dev at gmx.com
Sat Apr 25 15:51:41 EDT 2009

Christopher Lane Hinson wrote:
> Is there any interest or movement in developing thread priority or any 
> other realtime support in Haskell?
> Right now, if I have tasks that need to be responsive in real time, even 
> if the realtime needs are very soft, it seems that the only option is to 
> try to ensure that at least one hardware thread is kept clear of any 
> other activity.
> To be very useful to me, thread priority would not need to come with 
> very strict guarantees, but there would need to be a way to make sure 
> that `par` sparks and DPH inherit the priority of the sparking thread.
> In part I ask because I'm working on a small library to support a degree 
> of cooperative task prioritization.
> Friendly,
> --Lane

Yea, Thread priorities would be great. ATM you can multiplex IO at 
different OS-thread levels with IO completion ports etc, but it kinda sucks.

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