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// Copyright (c) 1994-2009 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 the License "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:
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// e32\include\e32base_private.h
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//
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// WARNING: This file contains some APIs which are internal and are subject
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// to change without notice. Such APIs should therefore not be used
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// outside the Kernel and Hardware Services package.
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//
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/**
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@file
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@internalTechnology
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@released
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*/
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#ifndef __E32BASE_PRIVATE_H__
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#define __E32BASE_PRIVATE_H__
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#include <e32std.h>
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#include <e32std_private.h>
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#include <e32base.h>
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/**
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@internalComponent
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*/
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struct TObjectDataStr //In use if this slot contains pointer to object.
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{
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TInt16 instance;
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TUint16 uniqueID;
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};
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/**
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@internalComponent
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*/
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struct SObjectIxRec
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{
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union
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{
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TObjectDataStr str; //This is in use if the slot contains pointer to CObject.
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TInt nextEmpty; //This is in use if the slot is empty. Points to the next empty slot ...
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//... in the list. 16 bits would be enough but ARM prefers 32 bytes.
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};
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CObject* obj;
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};
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/**
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@internalTechnology
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@deprecated
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*/
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class CBitMapAllocator : public CBase
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{
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public:
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IMPORT_C static CBitMapAllocator* New(TInt aSize);
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IMPORT_C static CBitMapAllocator* NewL(TInt aSize);
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IMPORT_C ~CBitMapAllocator();
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IMPORT_C TInt Alloc();
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IMPORT_C TInt AllocFrom(TInt aPos);
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IMPORT_C TInt Alloc(TInt aCount, TInt& aConsecutive);
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IMPORT_C TInt AllocAligned(TInt anAlignment);
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IMPORT_C TInt AllocAlignedBlock(TInt anAlignment);
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IMPORT_C TInt AllocFromTop();
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IMPORT_C TInt AllocFromTopFrom(TInt aPos);
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IMPORT_C void AllocAt(TInt aPos);
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IMPORT_C void AllocAt(TInt aPos, TInt aCount);
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IMPORT_C TBool IsFree(TInt aPos);
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IMPORT_C TBool IsFree(TInt aPos, TInt aCount);
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IMPORT_C void Free(TInt aPos);
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IMPORT_C void Free(TInt aPos, TInt aCount);
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IMPORT_C TInt Avail();
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IMPORT_C TInt Size();
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IMPORT_C TInt ExtractRamPages(TInt aConsecutive,TInt& aPageNo);
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protected:
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IMPORT_C CBitMapAllocator(TInt aSize,TInt aLength);
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protected:
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TInt iAvail;
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TInt iSize;
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TInt iLength;
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TUint iMap[1];
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};
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#endif //__E32BASE_H__
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