> When a bigarray is created from C, where its data part is allocated
> from a C function, I would like to know how to handle the finalisation
> of this ba ?
>
> Will ocaml make the free() call on the data part when it will be
> finalised ?
>
> Should one associates a finalisation function and how ?

First I thought the solution could be to give CAML_BA_EXTERNAL to 
caml_ba_alloc()'s flags then changing the flags member of the returned ba 
adding CAML_BA_MANAGED to it. But now I think one should rather give 
CAML_BA_MANAGED to caml_ba_alloc() but with a non-null pointer, is it right ?