gecko-dev/ipc/glue/IdleSchedulerChild.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_ipc_IdleSchedulerChild_h__
#define mozilla_ipc_IdleSchedulerChild_h__
#include "mozilla/Assertions.h"
#include "mozilla/Attributes.h"
#include "mozilla/ipc/PIdleSchedulerChild.h"
class nsIIdlePeriod;
namespace mozilla {
class IdlePeriodState;
namespace ipc {
class BackgroundChildImpl;
class IdleSchedulerChild final : public PIdleSchedulerChild {
public:
IdleSchedulerChild() = default;
NS_INLINE_DECL_REFCOUNTING(IdleSchedulerChild)
IPCResult RecvIdleTime(uint64_t aId, TimeDuration aBudget);
void Init(IdlePeriodState* aIdlePeriodState);
void Disconnect() { mIdlePeriodState = nullptr; }
// See similar methods on PrioritizedEventQueue.
void SetActive();
// Returns true if activity state dropped below cpu count.
bool SetPaused();
static IdleSchedulerChild* GetMainThreadIdleScheduler();
private:
~IdleSchedulerChild();
friend class BackgroundChildImpl;
// See IdleScheduleParent::sActiveChildCounter
base::SharedMemory mActiveCounter;
IdlePeriodState* mIdlePeriodState = nullptr;
uint32_t mChildId = 0;
};
} // namespace ipc
} // namespace mozilla
#endif // mozilla_ipc_IdleSchedulerChild_h__