author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
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/* |
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: Declaration of the class CATMemoryEntry |
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* |
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*/ |
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#ifndef ATMEMORYENTRY_H |
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#define ATMEMORYENTRY_H |
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// INCLUDES |
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#include <e32base.h> |
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// CLASS DECLARATION |
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/** |
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* A class for storing memory entries when the server is informed that memory has been |
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* allocated. The class stores the memory address of a new allocation and a pointer to |
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* a buffer including the current call stack. It also stores a time stamp, and the size |
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* of the allocation. |
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* The class has member methods for evaluating two different objects of this class |
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* with each other. In the construction the class takes a pointer to the call stack |
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* buffer, but it does not create the buffer itself. However, it is responsible for |
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* deleting the buffer in the destruction. |
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*/ |
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class CATMemoryEntry : public CBase |
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{ |
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public: // Constructor |
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/** |
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* Constructor. |
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* @param aMemAddress An address to allocated memory. |
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* @param aCallstackBuf A pointer to a buffer containing call stack's memory |
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* addresses. |
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* @param aAllocTime The current time in a 64-bit form. |
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* @param aAllocSize The size of an allocated memory chunk. |
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*/ |
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CATMemoryEntry( TUint32 aMemAddress, const CBufFlat* aCallstackBuf, |
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const TInt64& aAllocTime, TInt aAllocSize ); |
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/** |
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* Destructor |
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*/ |
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virtual ~CATMemoryEntry(); |
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public: |
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/** |
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* Compares two objects of this class based on the allocation time. |
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* @param aFirst The first object of this class to be compared. |
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* @param aSecond The second object of this class to be compared. |
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* @return Zero, if the two objects are equal. A negative value, |
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* if the first object is less than the second. A positive value, |
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* if the first object is greater than the second. |
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*/ |
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static TInt Compare( const CATMemoryEntry& aFirst, |
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const CATMemoryEntry& aSecond ); |
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/** |
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* Checks if two objects of this class match based on the objects's |
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* saved memory allocation addresses. |
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* @param aFirst The first object of this class to be evaluated. |
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* @param aSecond The second object of this class to be evaluated. |
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* @return ETrue, if the two objects match. EFalse otherwise. |
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*/ |
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static TBool Match( const CATMemoryEntry& aFirst, |
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const CATMemoryEntry& aSecond ); |
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public: |
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/** For storing an address of a memory allocation. */ |
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const TUint32 iMemAddress; |
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/** A pointer to an array for storing the current call stack. */ |
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const CBufFlat* const iCallstackBuf; |
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/** For storing the time when an allocation has occured. */ |
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const TInt64 iAllocTime; |
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/** For storing the size of an allocation. */ |
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const TInt iAllocSize; |
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}; |
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#endif // ATMEMORYENTRY_H |