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cabef87937
The final CC does not happen until after threads are shutdown and so we can't depend on CC to trigger termination. This management of the worklet thread by worklet code is an intermediate situation until worklets run on the threads managed by other objects. MozReview-Commit-ID: 8hWsdRCppC2 --HG-- extra : rebase_source : 1a0bfdc80ffa2d8beaff6249f40d033a0f319d2e
101 lines
2.4 KiB
C++
101 lines
2.4 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 mozilla_dom_worklet_WorkletThread_h
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#define mozilla_dom_worklet_WorkletThread_h
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#include "mozilla/Attributes.h"
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#include "mozilla/CondVar.h"
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#include "mozilla/dom/Worklet.h"
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#include "mozilla/RefPtr.h"
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#include "mozilla/UniquePtr.h"
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#include "mozilla/TimeStamp.h"
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#include "nsThread.h"
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class nsIRunnable;
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namespace mozilla {
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namespace dom {
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class WorkletThread final : public nsThread, public nsIObserver
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{
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public:
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_NSIOBSERVER
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static already_AddRefed<WorkletThread>
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Create(const WorkletLoadInfo& aWorkletLoadInfo);
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static WorkletThread*
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Get();
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static bool
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IsOnWorkletThread();
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static void
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AssertIsOnWorkletThread();
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static JSPrincipals*
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GetWorkerPrincipal();
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JSContext*
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GetJSContext() const;
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const WorkletLoadInfo&
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GetWorkletLoadInfo() const;
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nsresult
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DispatchRunnable(already_AddRefed<nsIRunnable> aRunnable);
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void
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Terminate();
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DOMHighResTimeStamp
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TimeStampToDOMHighRes(const TimeStamp& aTimeStamp) const
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{
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MOZ_ASSERT(!aTimeStamp.IsNull());
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TimeDuration duration = aTimeStamp - mCreationTimeStamp;
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return duration.ToMilliseconds();
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}
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private:
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explicit WorkletThread(const WorkletLoadInfo& aWorkletLoadInfo);
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~WorkletThread();
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void
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RunEventLoop(JSRuntime* aParentRuntime);
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class PrimaryRunnable;
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void
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TerminateInternal();
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class TerminateRunnable;
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// This should only be called by consumers that have an
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// nsIEventTarget/nsIThread pointer.
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NS_IMETHOD
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Dispatch(already_AddRefed<nsIRunnable> aRunnable, uint32_t aFlags) override;
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NS_IMETHOD
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DispatchFromScript(nsIRunnable* aRunnable, uint32_t aFlags) override;
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NS_IMETHOD
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DelayedDispatch(already_AddRefed<nsIRunnable>, uint32_t) override;
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const WorkletLoadInfo mWorkletLoadInfo;
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TimeStamp mCreationTimeStamp;
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// Touched only on the worklet thread. This is a raw pointer because it's set
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// and nullified by RunEventLoop().
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JSContext* mJSContext;
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bool mIsTerminating; // main thread
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_worklet_WorkletThread_h
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