On Wed, Apr 20, 2011 at 6:11 PM, Bas van Dijk <v.dijk....@gmail.com> wrote:
> I still need to add appropriate conditions for checking whether the
> program is using the threaded RTS. What is the recommended approach
> for this?
>
> I see GHC.Conc.IO uses a dynamic check:
>
> foreign import ccall unsafe "rtsSupportsBoundThreads" threaded :: Bool
>
> Is this also available to me as a library author?
I think there's a ticket for adding something along the lines of
getSystemEventManager :: IO (Maybe EventManager)
If that returns Just em, you're in the threaded RTS and have an EventManager.
Johan
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