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(******************************************************************************
* Core *
* *
* Copyright (C) 2008- Jane Street Holding, LLC *
* Contact: opensource@janestreet.com *
* WWW: http://www.janestreet.com/ocaml *
* *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; if not, write to the Free Software *
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
* *
******************************************************************************)
(* A thread-safe non-blocking queue of unbounded size.
The implementation does not use mutexes, so operations are quite fast, just
a handful of instructions.
*)
type 'a t
(* [create ()] returns an empty queue. *)
val create : unit -> 'a t
(* [create' ()] is a variant of create that returns a pair of functions
[(dequeue, enqueue)] for operating on the queue. *)
val create' : unit -> (unit -> 'a option) * ('a -> unit)
val dequeue : 'a t -> 'a option
val enqueue : 'a t -> 'a -> unit
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