[Haskell-cafe] Re: StableFunPtr?
relapse.dev at gmx.com
Tue Feb 17 06:10:32 EST 2009
> I've seen that if I'm going to leave a pointer
> to data in the hands of foreign code, I should
> use StablePtr so that the value it points to
> doesn't change.
> However, we also usually give FunPtr to foreign
> code, like when registering callbacks, but I
> can't found any kind of "StableFunPtr".
> Are all FunPtrs stable?
You can also use StablePtr for callbacks (forkOS uses it).
I'm not sure what the difference is between the two in that case though.
More information about the Haskell-Cafe