> > What do you expect to happen if the finaliser calls a foreign
> > exported function?
>
> Good question.
>
> I do not expect that to work on any platform that has difficulty
> implementing newForeignPtr (because you could use it to implement
> newForeignPtr).
>
> I don't know if it would be likely to work on GHC.
>
> I think the spec should say that it is an error or undefined
> depending on whether GHC supports reentrant finalizers or not.
Yes, it will work in GHC. makeForeignPtr is easily implemented in terms
of newForeignPtr, using a foreign import "dynamic".
> > That's a tricky one. From the standards point of view, I am
> > actually *very* reluctant to introduce new names. On the other
> > hand, reusing the old names will lead to a couple of unhappy emails
> > from people using the old interface again.
>
> But only a couple I conjecture.
Heh, I distinctly remember several complaints from *you* in the past
when things have changed in GHC!
Cheers,
Simon
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