Robert Dockins <[EMAIL PROTECTED]> schrieb am 16.12.04 14:56:49:
> This is exactly the guarantee you _don't_ have. The only guarantee you
> have is that it _won't_ be run if the Ptr _is_ being referenced.
>From the GHC library documentation:
newForeignPtr :: FinalizerPtr a -> Ptr a -> IO (ForeignPtr a)
[...] The only guarantee is that the finaliser runs before the program
terminates.
So it seems, finalization *is* guaranteed, just not promptness of finalization.
> My concern is that this approach is a little too non-deterministic.
> Because playing sound involves HW resources, [...]
If I understand correctly, the OP is dealing with library resources (mainly
memory) while the library is managing the hardware ressources.
Udo.
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