Re: garbage collecting modules & nffi/threads

Code objects are garbage collected if there are no references to them.
Currently, the FFI mechanism does not support callbacks into ML, but if
it did, we would have to keep track of pointers to callbacks that have
been exported to the C world (the GC already has a mechanism for this
sort of thing).

	- John

On Aug 25, 2004, at 1:37 PM, Matthias Kretschmer wrote:

> Hello
>
> 1. I would like to know if modules (and code) gets garbage collected 
> if no reference to data in the module is available anymore to the 
> current running code (e.g. running the runtime environment with the 
> compiler and using it to install new module versions on the fly - of 
> course with proper upgrade handling specialized by the module in some 
> way).
>
> 2. Are there any problems with threaded foreign code? What is about 
> callback functions that get invoked by foreign code from within 
> another thread?
>
> Thanks,
> Matthias Kretschmer
>
>
>
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