[Haskell-cafe] FFI and callbacks

[Bayley, Alistair]

> From: John Goerzen [mailto:jgoerzen at complete.org] 
> 
> How would I make this sort of system play nice with Haskell threads?
> 
> Also, the brief FFI docs that I've found don't really explain 
> callbacks
> in FFI very well to me.  Are there any other resources on 
> this anywhere?


This might help:
http://www.haskell.org/ghc/docs/latest/html/libraries/base/Foreign.Ptr.html#
t%3AFunPtr

...and I can also show you some code which uses a simple callback.

Or are you past that stage now, and more worried about interaction of
callbacks and threads?

Alistair.

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