[cffi-devel] Static vectors suitable for FFI

[John Fremlin]

Stelian Ionescu <stelian.ionescu-zeus at poste.it> writes:

> Yes. Given that SBCL has a conservative GC on x86 and x86_64 you have no
> guarantee that a finalizer will ever be executed. Also, I'm not sure how
> it would interact with the fact that the entire array(contents and
> header) is allocated in foreign memory. It's better not to risk and if
> some day we'll be sure that it's unnecessary on all implementations, we
> could safely deprecate free-static-vector and use finalizers.

It would certainly be very nice to have a portable way of letting the GC
dispose of garbage but stop it from moving buffers around.

Allegro already supports this just fine, for example.