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(* *)
(* OCaml *)
(* *)
(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
(* *)
(* Copyright 1996 Institut National de Recherche en Informatique et *)
(* en Automatique. All rights reserved. This file is distributed *)
(* under the terms of the GNU Library General Public License, with *)
(* the special exception on linking described in file ../LICENSE. *)
(* *)
(***********************************************************************)
(** Registering OCaml values with the C runtime.
This module allows OCaml values to be registered with the C runtime
under a symbolic name, so that C code can later call back registered
OCaml functions, or raise registered OCaml exceptions.
*)
val register : string -> 'a -> unit
(** [Callback.register n v] registers the value [v] under
the name [n]. C code can later retrieve a handle to [v]
by calling [caml_named_value(n)]. *)
val register_exception : string -> exn -> unit
(** [Callback.register_exception n exn] registers the
exception contained in the exception value [exn]
under the name [n]. C code can later retrieve a handle to
the exception by calling [caml_named_value(n)]. The exception
value thus obtained is suitable for passing as first argument
to [raise_constant] or [raise_with_arg]. *)
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