зеркало из https://github.com/mozilla/gecko-dev.git
74 строки
2.1 KiB
C++
74 строки
2.1 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 mozilla_dom_NuwaParent_h
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#define mozilla_dom_NuwaParent_h
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#include "base/message_loop.h"
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#include "mozilla/dom/PNuwaParent.h"
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#include "mozilla/Monitor.h"
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#include "mozilla/RefPtr.h"
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namespace mozilla {
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namespace dom {
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class ContentParent;
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class NuwaParent : public mozilla::dom::PNuwaParent
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{
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public:
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explicit NuwaParent();
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// Called on the main thread.
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bool ForkNewProcess(uint32_t& aPid,
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UniquePtr<nsTArray<ProtocolFdMapping>>&& aFds,
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bool aBlocking);
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// Called on the background thread.
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bool ActorConstructed();
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// Both the worker thread and the main thread hold a ref to this.
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NS_INLINE_DECL_THREADSAFE_REFCOUNTING(NuwaParent)
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// Functions to be invoked by the manager of this actor to alloc/dealloc the
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// actor.
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static NuwaParent* Alloc();
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static bool ActorConstructed(mozilla::dom::PNuwaParent *aActor);
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static bool Dealloc(mozilla::dom::PNuwaParent *aActor);
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protected:
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virtual ~NuwaParent();
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virtual bool RecvNotifyReady() override;
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virtual bool RecvAddNewProcess(const uint32_t& aPid,
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nsTArray<ProtocolFdMapping>&& aFds) override;
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virtual mozilla::ipc::IProtocol*
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CloneProtocol(Channel* aChannel,
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ProtocolCloneContext* aCtx) override;
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virtual void ActorDestroy(ActorDestroyReason aWhy) override;
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private:
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void AssertIsOnWorkerThread();
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bool mBlocked;
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mozilla::Monitor mMonitor;
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NuwaParent* mClonedActor;
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nsCOMPtr<nsIThread> mWorkerThread;
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uint32_t mNewProcessPid;
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UniquePtr<nsTArray<ProtocolFdMapping>> mNewProcessFds;
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// The mutual reference will be broken on the main thread.
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RefPtr<ContentParent> mContentParent;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_NuwaParent_h
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