author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 27 May 2010 14:26:55 +0300 | |
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child 49 | 7fdc9a71d314 |
permissions | -rw-r--r-- |
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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 RAnalyzeToolMainAllocator. |
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* |
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*/ |
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#ifndef ANALYZETOOLMAINALLOCATOR_H |
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#define ANALYZETOOLMAINALLOCATOR_H |
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// INCLUDES |
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#include <u32std.h> |
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#include "codeblock.h" |
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#include <analyzetool/atstorageserverclnt.h> |
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#include <analyzetool/analyzetool.h> |
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#include <analyzetool/atcommon.h> |
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#include "analyzetoolmemoryallocator.h" |
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#include "analyzetooleventhandlernotifier.h" |
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// FORWARD DECLARATIONS |
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class CLibraryEventHandler; |
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// CLASS DECLARATION |
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/** |
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* Class which overloads the RAlloctor functions and provides access to |
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* the overloaded functions |
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*/ |
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class RAnalyzeToolMainAllocator : public RAnalyzeToolMemoryAllocator, |
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public MAnalyzeToolEventhandlerNotifier |
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{ |
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public: |
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/** |
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* C++ default constructor. |
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* @param aNotFirst Is this first thread using this heap |
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* @param aFileName The name of the log file |
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* @param aLogOption The logging option for storage server |
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* @param aIsDebug Determines whether a binary is UDEB or UREL |
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* @param aAllocCallStackSize Max number of stored callstack items when memory allocated |
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* @param aFreeCallStackSize Max number of stored callstack items when memory freed |
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*/ |
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RAnalyzeToolMainAllocator( TBool aNotFirst, |
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const TFileName aFileName, |
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TUint32 aLogOption, TUint32 aIsDebug, |
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TUint32 aAllocCallStackSize, |
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TUint32 aFreeCallStackSize ); |
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/** |
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* Destructor. |
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*/ |
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~RAnalyzeToolMainAllocator(); |
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/** |
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* Allocates a cell of specified size from the heap. |
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* @param aSize The size of the cell to be allocated from the heap. |
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* @return TAny* A pointer to the allocated cell. |
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*/ |
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TAny* Alloc( TInt aSize ); |
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/** |
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* Frees the specified cell and returns it to the heap. |
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* @param aPtr A pointer to a cell to be freed. |
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*/ |
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void Free( TAny* aPtr ); |
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/** |
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* Increases or decreases the size of an existing cell. |
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* @param aPtr A pointer to the cell to be reallocated. |
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* @param aSize The new size of the cell. This may be bigger |
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* or smaller than the size of the original cell. |
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* @param aMode Flags controlling the reallocation. |
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* @return TAny* A pointer to the reallocated cell. This may be the |
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* same as the original pointer supplied through aCell. |
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*/ |
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TAny* ReAlloc( TAny* aPtr, TInt aSize, TInt aMode = 0 ); |
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/** |
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* Gets the length of the available space in the specified |
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* allocated cell. |
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* @param aCell A pointer to the allocated cell. |
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* @return TInt The length of the available space in the allocated cell. |
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*/ |
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TInt AllocLen(const TAny* aCell) const; |
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#ifndef __KERNEL_MODE__ |
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/** |
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* Opens this heap for shared access. Opening the heap increases |
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* the heap's access count by one. |
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*/ |
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TInt Open(); |
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/** |
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* Closes this shared heap. Closing the heap decreases the heap's |
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* access count by one. |
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*/ |
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void Close(); |
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/** |
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* The function frees excess committed space from the top of the heap. |
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* The size of the heap is never reduced below the minimum size |
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* specified during creation of the heap. |
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* @return TInt The space reclaimed. If no space can be reclaimed, |
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then this value is zero. |
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*/ |
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TInt Compress(); |
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/** |
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* Frees all allocated cells on this heap. |
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*/ |
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void Reset(); |
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/** |
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* Gets the number of cells allocated on this heap, and |
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* the total space allocated to them. |
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* @param aTotalAllocSize On return, contains the total |
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* space allocated to the cells. |
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* @return TInt The number of cells allocated on this heap. |
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*/ |
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TInt AllocSize( TInt& aTotalAllocSize ) const; |
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/** |
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* Gets the total free space currently available on the heap and the |
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* space available in the largest free block. The space available |
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* represents the total space which can be allocated. Note that |
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* compressing the heap may reduce the total free space available |
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* and the space available in the largest free block. |
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* @param aBiggestBlock On return, contains the space available |
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* in the largest free block on the heap. |
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* @return TInt The total free space currently available on the heap. |
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*/ |
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TInt Available( TInt& aBiggestBlock ) const; |
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#endif |
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/** |
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* Invocates specified debug funtionality. |
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* @param aFunc The debug function |
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* @param a1 Debug function specific paramenter. |
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* @param a2 Debug function specific paramenter. |
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* @return TInt Returns KErrNone, if successful otherwise one |
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* of the other system-wide error codes. |
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*/ |
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TInt DebugFunction( TInt aFunc, TAny* a1 = NULL, TAny* a2 = NULL ); |
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// From MAnalyzeToolEventhandlerNotifier |
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/** |
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* Remove killed thread from threads array. |
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* @param aThreadId - Thread Id |
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*/ |
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void RemoveKilledThread( const TUint aThreadId ); |
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protected: |
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/** |
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* Extension function |
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* @param aExtensionId The extension id |
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* @param a0 Extension specific paramenter. |
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* @param a1 Extension specific paramenter. |
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* @return TInt Returns KErrNone, if successful otherwise one |
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* of the other system-wide error codes. |
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*/ |
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TInt Extension_( TUint aExtensionId, TAny*& a0, TAny* a1 ); |
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public: // from RAnalyzeToolMemoryAllocator |
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/** |
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* Installs the RTraceAllocator allocator |
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*/ |
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void Uninstall(); |
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/** |
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* Shares the heap |
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*/ |
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void ShareHeap(); |
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public: // inlines |
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/** |
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* Acquires the open RATStorageServer handle |
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* @return RATStorageServer& The open RATStorageServer handle |
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*/ |
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inline RATStorageServer& StorageServer(); |
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/** |
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* Acquires the codeblocks of the process |
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* @return RArray<TCodeblock>& The process codeblocks |
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*/ |
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inline RArray<TCodeblock>& Codeblocks(); |
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/** |
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* Acquires the mutex used to access shared objects |
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* @return RMutex& A reference to open mutex |
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*/ |
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inline RMutex& Mutex(); |
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/** |
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* Acquires the current process id |
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* @return TInt The process id |
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*/ |
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inline TInt ProcessId(); |
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/** |
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* Acquires the logical channel handle |
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* @return RAnalyzeTool A reference to logical channel |
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*/ |
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inline RAnalyzeTool& AnalyzeTool(); |
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/** |
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* Acquires information if storage server is open |
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* @return TBool iStorageServerOpen |
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*/ |
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inline TBool StorageServerOpen(); |
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/** |
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* Acquires the log option type |
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* @return TUint32 iLogOption |
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*/ |
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inline TUint32 LogOption(); |
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/** |
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* Acquires the max size of call stack when memory allocated |
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* @return TUint32 iAllocMaxCallStack |
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*/ |
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inline TUint32 AllocMaxCallStack(); |
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/** |
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* Acquires the max size of call stack when memory freed |
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* @return TUint32 iFreeMaxCallStack |
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*/ |
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inline TUint32 FreeMaxCallStack(); |
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private: // private functions |
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/** |
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* Log the process initial information |
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* @param aFileName The name of the log file |
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* @param aLogOption The logging option for storage serve |
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* @param aIsDebug Determines whether a binary is UDEB or UREL |
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*/ |
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void LogProcessInformation( const TFileName aFileName, TUint32 aLogOption, |
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TUint32 aIsDebug ); |
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/** |
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* Find the current thread which is using the heap |
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* @param aStackStart A reference where the stack start is stored |
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* @return TBool ETrue if a thread can be found, EFalse otherwise |
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*/ |
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TBool FindCurrentThreadStack( TUint32& aStackStart ); |
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/** |
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* Installs the eventhandler, if possible |
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*/ |
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void InstallEventHandler(); |
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private: // member variables |
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/* Handle to the RATStorageServer */ |
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RATStorageServer iStorageServer; |
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/* Handle to the RAnalyzeTool */ |
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RAnalyzeTool iAnalyzeTool; |
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/* A flag for indicating that the RAnalyzeTool is open */ |
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TBool iAnalyzeToolOpen; |
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/* A flag for indicating that the device driver is loaded */ |
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TBool iDeviceDriverLoaded; |
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/* The codeblocks of the process */ |
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RArray<TCodeblock> iCodeblocks; |
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/* The handler for kerner events */ |
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CLibraryEventHandler* iEventHandler; |
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/* The mutex for serializing access to the shared resources */ |
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mutable RMutex iMutex; |
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|
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/* Array for storing the callstack */ |
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TFixedArray <TUint32, KATMaxCallstackLength> iCallStack; |
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/* Array for storing the reallocation callstack */ |
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TFixedArray <TUint32, KATMaxCallstackLength> iReCallStack; |
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/* Array for storing the reallocation callstack */ |
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TFixedArray<TUint32, KATMaxFreeCallstackLength> iFreeCallStack; |
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/* Array of threads using this heap */ |
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RArray<TThreadStack> iThreadArray; |
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/* A flag for indicating that the RATStorageServer is open */ |
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TBool iStorageServerOpen; |
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/* Log option */ |
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TUint32 iLogOption; |
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/* The process id */ |
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TUint iProcessId; |
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/* Max items on stored call stack when memory allocated */ |
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TUint32 iAllocMaxCallStack; |
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/* Max items on stored call stack when memory freed */ |
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TUint32 iFreeMaxCallStack; |
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}; |
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// INLINES |
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#include "analyzetoolmainallocator.inl" |
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#endif // ANALYZETOOLMAINALLOCATOR_H |
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// End of File |