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(***********************************************************************)
(*                                                                     *)
(*                                OCaml                                *)
(*                                                                     *)
(*          Xavier Leroy and Pascal Cuoq, INRIA Rocquencourt           *)
(*                                                                     *)
(*  Copyright 1995 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.  *)
(*                                                                     *)
(***********************************************************************)

(* $Id$ *)

type t
external create: unit -> t = "caml_mutex_new"
external lock: t -> unit = "caml_mutex_lock"
external try_lock: t -> bool = "caml_mutex_try_lock"
external unlock: t -> unit = "caml_mutex_unlock"