55 lines
1.8 KiB
OCaml
55 lines
1.8 KiB
OCaml
(* Lightweight thread library for Objective Caml
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* http://www.ocsigen.org/lwt
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* Module Lwt_event
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* Copyright (C) 2009 Jérémie Dimino
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation, with linking exceptions;
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* either version 2.1 of the License, or (at your option) any later
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* version. See COPYING file for details.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*)
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include Lwt_react.E
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(* +-----------------------------------------------------------------+
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| Notifiers |
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+-----------------------------------------------------------------+ *)
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type notifier = unit React.event Lwt_sequence.node
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let notifiers = Lwt_sequence.create ()
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let disable n =
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Lwt_sequence.remove n;
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React.E.stop (Lwt_sequence.get n)
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let notify f event =
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Lwt_sequence.add_l (React.E.map f event) notifiers
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let notify_p f event =
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Lwt_sequence.add_l (React.E.map (fun x -> Lwt.ignore_result (f x)) event) notifiers
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let notify_s f event =
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let mutex = Lwt_mutex.create () in
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Lwt_sequence.add_l (React.E.map (fun x -> Lwt.ignore_result (Lwt_mutex.with_lock mutex (fun () -> f x))) event) notifiers
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let always_notify f event =
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ignore (notify f event)
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let always_notify_p f event =
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ignore (notify_p f event)
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let always_notify_s f event =
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ignore (notify_s f event)
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