gecko-dev/content/media/webrtc/LoadMonitor.h

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/* -*- Mode: C++; tab-width: 50; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* 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 _LOADMONITOR_H_
#define _LOADMONITOR_H_
#include "mozilla/Mutex.h"
#include "mozilla/CondVar.h"
#include "mozilla/RefPtr.h"
#include "mozilla/Atomics.h"
#include "nsAutoPtr.h"
#include "nsCOMPtr.h"
#include "nsIThread.h"
#include "nsIObserver.h"
class LoadInfoUpdateRunner;
class LoadInfoCollectRunner;
class LoadMonitor MOZ_FINAL : public nsIObserver
{
public:
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_NSIOBSERVER
LoadMonitor();
~LoadMonitor();
nsresult Init(nsRefPtr<LoadMonitor> &self);
void Shutdown();
float GetSystemLoad();
float GetProcessLoad();
friend class LoadInfoCollectRunner;
private:
void SetProcessLoad(float load);
void SetSystemLoad(float load);
mozilla::Mutex mLock;
mozilla::CondVar mCondVar;
bool mShutdownPending;
nsCOMPtr<nsIThread> mLoadInfoThread;
float mSystemLoad;
float mProcessLoad;
};
#endif /* _LOADMONITOR_H_ */