bf3516e81e
In modern C++, static constexpr member variables are automatically inline (aka weak) so the template trick is not needed. This also avoid duplication and reduces the amount of parsed code. No impact on generated binary (actually: smaller debuginfo, close to identical binary). Differential Revision: https://phabricator.services.mozilla.com/D247825
35 lines
1.1 KiB
C++
35 lines
1.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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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#ifndef nsICancelableRunnable_h__
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#define nsICancelableRunnable_h__
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#include "nsISupports.h"
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#define NS_ICANCELABLERUNNABLE_IID \
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{0xde93dc4c, 0x5eea, 0x4eb7, {0xb6, 0xd1, 0xdb, 0xf1, 0xe0, 0xce, 0xf6, 0x5c}}
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class nsICancelableRunnable : public nsISupports {
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public:
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NS_INLINE_DECL_STATIC_IID(NS_ICANCELABLERUNNABLE_IID)
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/*
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* Cancels a pending task, so that calling run() on the task is a no-op.
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* Calling cancel after the task execution has begun will be a no-op.
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* 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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virtual nsresult Cancel() = 0;
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protected:
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nsICancelableRunnable() = default;
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virtual ~nsICancelableRunnable() = default;
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};
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#endif // nsICancelableRunnable_h__
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