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7a3eb1a6a2
We are refactoring much of the code in gfx/vr, moving
most of the code that runs in the VRListenerThread into
it's own process. The remaining code will be non-blocking
once this refactoring is complete.
In order to resolve some shutdown crashes, it is simpler
to remove the VRListenerThread and the related code
starting and stopping this thread. If this is done
prior to completion of the refactoring for Bug 1473399
(Enable VRService thread by default), there would be a
regression in responsiveness during detection of VR
hardware due to blocking API calls moving off the thread.
Differential Revision: https://phabricator.services.mozilla.com/D7227
--HG--
extra : moz-landing-system : lando
47 lines
1.2 KiB
C++
47 lines
1.2 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 GFX_VR_THREAD_H
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#define GFX_VR_THREAD_H
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#include "ThreadSafeRefcountingWithMainThreadDestruction.h"
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#include "base/thread.h" // for Thread
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namespace mozilla {
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namespace gfx {
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class VRThread final
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{
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NS_INLINE_DECL_THREADSAFE_REFCOUNTING(VRThread)
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public:
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explicit VRThread(const nsCString& aName);
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void Start();
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void Shutdown();
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void SetLifeTime(uint32_t aLifeTime);
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uint32_t GetLifeTime();
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void CheckLife(TimeStamp aCheckTimestamp);
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void PostTask(already_AddRefed<Runnable> aTask);
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void PostDelayedTask(already_AddRefed<Runnable> aTask, uint32_t aTime);
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const nsCOMPtr<nsIThread> GetThread() const;
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bool IsActive();
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protected:
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~VRThread();
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private:
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nsCOMPtr<nsIThread> mThread;
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TimeStamp mLastActiveTime;
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nsCString mName;
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uint32_t mLifeTime;
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Atomic<bool> mStarted;
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};
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} // namespace gfx
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} // namespace mozilla
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#endif // GFX_VR_THREAD_H
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