25 lines
837 B
Plaintext
25 lines
837 B
Plaintext
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsIRunnable.idl"
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/**
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* Represents a task which can be dispatched to a thread for execution and
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* which can be cancelled if necessary.
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*/
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[scriptable, uuid(de93dc4c-5eea-4eb7-b6d1-dbf1e0cef65c)]
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interface nsICancelableRunnable : nsIRunnable
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{
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/**
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* Cancels a pending task. If the task has already been executed this will
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* be a no-op. Calling this method twice is considered an error.
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*
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* @throws NS_ERROR_UNEXPECTED
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* Indicates that the runnable has already been canceled.
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*/
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void cancel();
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};
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