forked from mirrors/gecko-dev
5b2ada26c5
Tasks registered with shutdown tasks are called when the target nsISerialEventTarget is about to be destroyed. Differential Revision: https://phabricator.services.mozilla.com/D129840
53 lines
1.4 KiB
C++
53 lines
1.4 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 XPCOM_THREADS_DELAYEDRUNNABLE_H_
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#define XPCOM_THREADS_DELAYEDRUNNABLE_H_
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#include "mozilla/TimeStamp.h"
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#include "nsCOMPtr.h"
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#include "nsIRunnable.h"
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#include "nsITargetShutdownTask.h"
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#include "nsITimer.h"
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#include "nsThreadUtils.h"
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namespace mozilla {
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class DelayedRunnable : public Runnable,
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public nsITimerCallback,
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public nsITargetShutdownTask {
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public:
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DelayedRunnable(already_AddRefed<nsISerialEventTarget> aTarget,
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already_AddRefed<nsIRunnable> aRunnable, uint32_t aDelay);
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_NSIRUNNABLE
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NS_DECL_NSITIMERCALLBACK
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nsresult Init();
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/**
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* Called when the target is going away so the runnable can be released safely
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* on the target thread.
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*/
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void TargetShutdown() override;
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private:
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~DelayedRunnable() = default;
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nsresult DoRun();
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const nsCOMPtr<nsISerialEventTarget> mTarget;
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const TimeStamp mDelayedFrom;
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const uint32_t mDelay;
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mozilla::Mutex mMutex{"DelayedRunnable"};
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nsCOMPtr<nsIRunnable> mWrappedRunnable;
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nsCOMPtr<nsITimer> mTimer;
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};
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} // namespace mozilla
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#endif
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