]> From: Mathieu Avila <mavila@irisa.fr> > >I'm using ocaml on Solaris8/x86, and many C libraries, with no > >problem. > > > Are you able to call the ocaml code from the C ? I think this is rather > different from calling C libs from a standalone OCaml code. If you mean calling callback, I can. My libraries are full of callbacks from C to caml. > In my case, i mix the 2 langages in this way : > > cmain.ml: > -------------------------------------------------------- > let cmain_ocaml n = try > ... > ;; > > let _ = Callback.register "cmain_ocaml" cmain_ocaml > -------------------------------------------------------- > > in a cmain_cpp.cpp , where there is the "real" main() function: > -------------------------------------------------------- > static value * cmain_closure = NULL; > if (cmain_closure==NULL) > cmain_closure = caml_named_value("cmain_ocaml"); > result = Int_val(callback(*cmain_closure,Val_int(n))); > -------------------------------------------------------- > > It crashses when calling : callback(*cmain_closure...) > > All is compiled into native solaris object code. > The same thing works perfectly on solaris/sparc. Do I understand correctly than the C code above is inside the main function? Then I cannot see how it would work. Callback.register dynamically adds "cmain_ocaml" to a table of known functions. If you don't call ocaml's main function (i.e. the main() function of the ocaml C runtime, or at least caml_main()), your caml function will not be registered and this should not work. Jacques Garrigue ------------------- To unsubscribe, mail caml-list-request@inria.fr Archives: http://caml.inria.fr Bug reports: http://caml.inria.fr/bin/caml-bugs FAQ: http://caml.inria.fr/FAQ/ Beginner's list: http://groups.yahoo.com/group/ocaml_beginners