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Subject: Re: [Caml-list] how to call an OCaml library from C/C++ ?
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From: Yoann Padioleau <padator@wanadoo.fr>
In-Reply-To: <1FEF5EC1-5F99-4400-A787-63A8352DDF85@wanadoo.fr>
Date: Tue, 24 Aug 2010 11:22:05 -0700
Cc: caml users <caml-list@inria.fr>
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To: Yoann Padioleau <padator@wanadoo.fr>
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On Aug 24, 2010, at 10:50 AM, Yoann Padioleau wrote:

>=20
> Hi,
>=20
> Is there a way to call OCaml library from a C/C++ program without the =
C++ program
> knowing it's OCaml code ? I mean I can not touch the main of the C++ =
program
> so it has to be completely transparent and it would be good if each =
call to the ocaml library
> once finished free all the memory it was using.
> Can we call  caml_startup() multiple times ? is there a caml_cleanup ?
>=20
> Ideally I would like from C/C++ to have:
>=20
>=20
> my_extension.c:
> char* sanitize_stuff(char *s) {
>=20
>  caml_startup();
>  char * res =3D <call_ocaml_code_with_s>;
>  caml_cleanup();
>  return res;
> }

Also it is possible to have multiple independent ocaml runtime at the =
same time=20
so such a function is thread-safe ?


>=20
> and then link my c++ program with my_extension.o  and some .a =
containing ocaml code.
>=20
>=20
>=20
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>=20