On Tue, Oct 27, 2009 at 01:20:56PM -0400, John Cowan wrote: > Jeronimo Pellegrini scripsit: > > > define-external cannot be used for recursive definitions (probably > > supposed to be used only for wrappers -- is this correct?) > > My recursive define-external functions segfaulted; non-recursive > > ones didn't. > > The real issue isn't recursion, it's stack consumption. C recursion > consumes stack, and when Chicken calls C only a small amount of stack > is guaranteed to be available, because of the way Scheme code uses the C > stack (steadily consuming it and then dropping almost all of it at each > minor GC).
Ah, OK -- now I understand it! So it actually makes sense to only use define-external for API wrappers, so as to avoid using too much stack space. Thanks a lot! I just started using Chicken and it seems like a great platform. J. _______________________________________________ Chicken-users mailing list Chicken-users@nongnu.org http://lists.nongnu.org/mailman/listinfo/chicken-users
