]> Jacques Garrigue a écrit : >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. > > > Sorry, i didn't show you all the useful code. There is a call to "ocaml_startup" with the appropriate argv argument (i.e nothing). I believe this is where all initialisations are done. However, it works perfectly on Solaris/SPARC... -- Mathieu ------------------- 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