The Tor Browser: xpcom/threads/nsICancelableRunnable.idl@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #include "nsIRunnable.idl"

     8 /**

     9  * Represents a task which can be dispatched to a thread for execution and

    10  * which can be cancelled if necessary.

    11  */

    13 [scriptable, uuid(de93dc4c-5eea-4eb7-b6d1-dbf1e0cef65c)]

    14 interface nsICancelableRunnable : nsIRunnable

    15 {

    16     /**

    17      * Cancels a pending task.  If the task has already been executed this will

    18      * be a no-op.  Calling this method twice is considered an error.

    19      *

    20      * @throws NS_ERROR_UNEXPECTED

    21      *   Indicates that the runnable has already been canceled.

    22      */

    23     void cancel();

    24 };

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