gecko-dev/xpcom/threads/MainThreadQueue.h

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/* -*- 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 mozilla_MainThreadQueue_h
#define mozilla_MainThreadQueue_h
#include "mozilla/Attributes.h"
#include "mozilla/EventQueue.h"
#include "mozilla/RefPtr.h"
#include "mozilla/UniquePtr.h"
#include "nsThread.h"
#include "PrioritizedEventQueue.h"
namespace mozilla {
template<typename SynchronizedQueueT, typename InnerQueueT>
inline already_AddRefed<nsThread>
CreateMainThread(nsIIdlePeriod* aIdlePeriod, SynchronizedQueueT** aSynchronizedQueue = nullptr)
{
using MainThreadQueueT = PrioritizedEventQueue<InnerQueueT>;
auto queue = MakeUnique<MainThreadQueueT>(
MakeUnique<InnerQueueT>(),
MakeUnique<InnerQueueT>(),
MakeUnique<InnerQueueT>(),
MakeUnique<InnerQueueT>(),
do_AddRef(aIdlePeriod));
MainThreadQueueT* prioritized = queue.get();
RefPtr<SynchronizedQueueT> synchronizedQueue = new SynchronizedQueueT(Move(queue));
prioritized->SetMutexRef(synchronizedQueue->MutexRef());
// Setup "main" thread
RefPtr<nsThread> mainThread = new nsThread(WrapNotNull(synchronizedQueue), nsThread::MAIN_THREAD, 0);
#ifndef RELEASE_OR_BETA
prioritized->SetNextIdleDeadlineRef(mainThread->NextIdleDeadlineRef());
#endif
if (aSynchronizedQueue) {
synchronizedQueue.forget(aSynchronizedQueue);
}
return mainThread.forget();
}
} // namespace mozilla
#endif // mozilla_MainThreadQueue_h