зеркало из https://github.com/mozilla/gecko-dev.git
An excursion timing class.
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef nsCachePref_h__
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#define nsCachePref_h__
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//#include "nsISupports.h"
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#include <prtypes.h>
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class nsCachePref //: public nsISupports
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{
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public:
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enum Refresh
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{
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NEVER,
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ONCE,
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ALWAYS
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} r;
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nsCachePref();
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PRUint32 MemCacheSize() const;
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PRUint32 DiskCacheSize() const;
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const char* DiskCacheFolder() const;
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nsCachePref::Refresh
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Frequency() const;
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/*
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NS_IMETHOD QueryInterface(const nsIID& aIID,
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void** aInstancePtr);
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NS_IMETHOD_(nsrefcnt) AddRef(void);
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NS_IMETHOD_(nsrefcnt) Release(void);
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*/
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protected:
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private:
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nsCachePref(const nsCachePref& o);
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nsCachePref& operator=(const nsCachePref& o);
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};
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#endif // nsCachePref_h__
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/* A class to time excursion events */
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/* declare an object of this class within the scope to be timed. */
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#include <prtypes.h>
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#include <prinrval.h>
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class nsTimeIt
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{
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public:
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nsTimeIt(PRUint32& tmp);
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~nsTimeIt();
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private:
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PRIntervalTime t;
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PRUint32& dest;
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};
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inline
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nsTimeIt::nsTimeIt(PRUint32& tmp):t(PR_IntervalNow()), dest(tmp)
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{
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}
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inline
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nsTimeIt::~nsTimeIt()
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{
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dest = PR_IntervalToMicroseconds(PR_IntervalNow()-t);
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}
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