At Mon, 16 Jul 2012 15:48:42 +0100, Tim Brown wrote: > Folks, > > I posted this on IRC earlier today with no response: > "With ffi, i have a function which returns a pointer which has been > malloc'd using a GC_malloc (linked with my foreign library). > > "I need this pointer to remain visible within racket (i.e. on the stack > or anywhere else that the CGC would find it). This is fine for > racketcgc (since GC_malloc is shared between my library and racket) > but how do i keep a pointer visible with racket3m? > > "[if possible, without "remembering" it explicitly in my library]" > > Does anyone have any idea how to hint to the FFI that I want this reference > kept visible?
If I understand the question: When you have a pointer to memory managed by the Racket GC, use the C type `_gcpointer' or `_gcable' applied to some other pointer value. ____________________ Racket Users list: http://lists.racket-lang.org/users
