Re: [Chicken-users] newbie: foreign pointers that depend on Scheme objects

[felix winkelmann]

On Sat, Dec 20, 2008 at 4:09 PM, Alejandro Forero Cuervo
<address@hidden> wrote:
>> I'm not sure I can follow your example completely (I always get
>> quickly confused with these scenarios), but I understand the
>> "weak"/"finalizable" GC-root suggestion. I have to think more about
>> it, but it should be possible.
>
> I think this should be implemented: right now it is *impossible* to
> store pointers to Scheme-data inside C-data without the potential for
> memory leaks.
>

Attached is a patch against chicken 4 (should work with chicken 3).
The new C function "CHICKEN_new_finalizable_gc_root" creates
gc roots that can refer to data which is about to be finalized.


cheers,
felix

finalizable-gc-roots.diff
Description: Text Data