35 lines
1.9 KiB
OCaml
35 lines
1.9 KiB
OCaml
(**************************************************************************)
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(* *)
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(* OCaml *)
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(* *)
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(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
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(* *)
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(* Copyright 1996 Institut National de Recherche en Informatique et *)
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(* en Automatique. *)
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(* *)
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(* All rights reserved. This file is distributed under the terms of *)
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(* the GNU Lesser General Public License version 2.1, with the *)
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(* special exception on linking described in the file LICENSE. *)
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(* *)
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(**************************************************************************)
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(** Registering OCaml values with the C runtime.
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This module allows OCaml values to be registered with the C runtime
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under a symbolic name, so that C code can later call back registered
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OCaml functions, or raise registered OCaml exceptions.
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*)
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val register : string -> 'a -> unit
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(** [Callback.register n v] registers the value [v] under
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the name [n]. C code can later retrieve a handle to [v]
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by calling [caml_named_value(n)]. *)
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val register_exception : string -> exn -> unit
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(** [Callback.register_exception n exn] registers the
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exception contained in the exception value [exn]
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under the name [n]. C code can later retrieve a handle to
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the exception by calling [caml_named_value(n)]. The exception
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value thus obtained is suitable for passing as first argument
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to [raise_constant] or [raise_with_arg]. *)
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