RetroZilla/ipc/ipcd/extensions/lock/public/ipcILockService.idl

/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Mozilla IPC.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 2002
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Darin Fisher <darin@netscape.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
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 * ***** END LICENSE BLOCK ***** */

#include "nsISupports.idl"

/**
 * This service provides named interprocess locking.
 */
[scriptable, uuid(9f6dbe15-d851-4b00-912a-5ac0be88a409)]
interface ipcILockService : nsISupports
{
    /**
     * Call this method to acquire a named interprocess lock.
     *
     * @param aLockName
     *        specifies the name of the lock
     * @param aWaitIfBusy
     *        wait for the lock to become available; otherwise, fail if lock
     *        is already held by some other process.
     */
    void acquireLock(in string aLockName,
                     in boolean aWaitIfBusy);

    /**
     * Call this method to release a named lock.
     *
     * @param aLockName
     *        specifies the name of the lock
     */
    void releaseLock(in string aLockName);
};