gecko-dev/dom/media/FlushableTaskQueue.h

54 строки
1.3 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef FlushableTaskQueue_h_
#define FlushableTaskQueue_h_
#include "mozilla/TaskQueue.h"
//
// WARNING: THIS CLASS IS DEPRECATED AND GOING AWAY. DO NOT USE IT!
//
namespace mozilla {
class FlushableTaskQueue : public TaskQueue
{
public:
explicit FlushableTaskQueue(already_AddRefed<SharedThreadPool> aPool) : TaskQueue(Move(aPool)) {}
nsresult FlushAndDispatch(already_AddRefed<nsIRunnable> aRunnable);
void Flush();
bool IsDispatchReliable() override { return false; }
private:
class MOZ_STACK_CLASS AutoSetFlushing
{
public:
explicit AutoSetFlushing(FlushableTaskQueue* aTaskQueue) : mTaskQueue(aTaskQueue)
{
mTaskQueue->mQueueMonitor.AssertCurrentThreadOwns();
mTaskQueue->mIsFlushing = true;
}
~AutoSetFlushing()
{
mTaskQueue->mQueueMonitor.AssertCurrentThreadOwns();
mTaskQueue->mIsFlushing = false;
}
private:
FlushableTaskQueue* mTaskQueue;
};
void FlushLocked();
};
} // namespace mozilla
#endif // FlushableTaskQueue_h_