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82 lines
2.4 KiB
C++
82 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/RefPtr.h"
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#include "mozilla/UniquePtr.h"
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#include "mozilla/dom/WorkletImpl.h"
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#include "nsIObserver.h"
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#include "nsThread.h"
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class nsIRunnable;
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namespace JS {
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class ContextOptions;
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}; // namespace JS
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namespace mozilla::dom {
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class WorkletThread final : public nsThread, public nsIObserver {
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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> Create(WorkletImpl* aWorkletImpl);
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// Threads that call EnsureCycleCollectedJSContext must call
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// DeleteCycleCollectedJSContext::Get() before terminating. Clients of
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// Create() do not need to do this as Terminate() will ensure this happens.
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static void EnsureCycleCollectedJSContext(JSRuntime* aParentRuntime,
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const JS::ContextOptions& aOptions);
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static void DeleteCycleCollectedJSContext();
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static bool IsOnWorkletThread();
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static void AssertIsOnWorkletThread();
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nsresult DispatchRunnable(already_AddRefed<nsIRunnable> aRunnable);
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void Terminate();
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// Recommended native stack size to use, greater than the stack size
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// internally used by SpiderMonkey.
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static uint32_t StackSize();
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private:
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explicit WorkletThread(WorkletImpl* aWorkletImpl);
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~WorkletThread();
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void RunEventLoop();
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class PrimaryRunnable;
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void 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 RefPtr<WorkletImpl> mWorkletImpl;
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bool mExitLoop; // worklet execution thread
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bool mIsTerminating; // main thread
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};
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} // namespace mozilla::dom
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#endif // mozilla_dom_worklet_WorkletThread_h
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