Chris Kuklewicz wrote:
> One odd problem: The paper on async exception defines:
>
> safePoint = unblock (return ())
>
> but this simply does not work in my testing. Ever. Even using
> {-# NOINLINE safePoint #-} or "-Onot"
>
> By comparision, this does work: safepoint = unblock (print "safe")
>
> So how can such a safePoint be written?
The window in 'unblock (return ())' is tiny, I'm not really surprised if
nothing ever gets through it. You might have more luck with 'unblock yield'.
(BTW, I think glasgow-haskell-users@haskell.org is a more appropriate list, so
I'm replying there instead).
Cheers,
Simon
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