sl@0: // Copyright (c) 1994-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of the License "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // e32\include\e32base_private.h
sl@0: // 
sl@0: // WARNING: This file contains some APIs which are internal and are subject
sl@0: //          to change without notice. Such APIs should therefore not be used
sl@0: //          outside the Kernel and Hardware Services package.
sl@0: //
sl@0: 
sl@0: /**
sl@0:  @file
sl@0:  @internalTechnology
sl@0:  @released
sl@0: */
sl@0: 
sl@0: #ifndef __E32BASE_PRIVATE_H__
sl@0: #define __E32BASE_PRIVATE_H__
sl@0: #include <e32std.h>
sl@0: #include <e32std_private.h>
sl@0: #include <e32base.h>
sl@0: 
sl@0: /**
sl@0: @internalComponent
sl@0: */
sl@0: 		struct	TObjectDataStr	//In use if this slot contains pointer to object.
sl@0: 			{			
sl@0: 			TInt16 instance;  
sl@0: 			TUint16 uniqueID;
sl@0: 			};
sl@0: /**
sl@0: @internalComponent
sl@0: */
sl@0: 		struct SObjectIxRec
sl@0: 			{
sl@0: 			union
sl@0: 			{
sl@0: 				TObjectDataStr str;	//This is in use if the slot contains pointer to CObject.	
sl@0: 				TInt nextEmpty;		//This is in use if the slot is empty. Points to the next empty slot ...
sl@0: 									//... in the list. 16 bits would be enough but ARM prefers 32 bytes.
sl@0: 			};
sl@0: 			CObject* obj;
sl@0: 			};
sl@0: 
sl@0: /**
sl@0: @internalTechnology
sl@0: @deprecated
sl@0: */
sl@0: class CBitMapAllocator : public CBase
sl@0: 	{
sl@0: public:
sl@0: 	IMPORT_C static CBitMapAllocator* New(TInt aSize);
sl@0: 	IMPORT_C static CBitMapAllocator* NewL(TInt aSize);
sl@0: 	IMPORT_C ~CBitMapAllocator();
sl@0: 	IMPORT_C TInt Alloc();
sl@0: 	IMPORT_C TInt AllocFrom(TInt aPos);
sl@0: 	IMPORT_C TInt Alloc(TInt aCount, TInt& aConsecutive);
sl@0: 	IMPORT_C TInt AllocAligned(TInt anAlignment);
sl@0: 	IMPORT_C TInt AllocAlignedBlock(TInt anAlignment);
sl@0: 	IMPORT_C TInt AllocFromTop();
sl@0: 	IMPORT_C TInt AllocFromTopFrom(TInt aPos);
sl@0: 	IMPORT_C void AllocAt(TInt aPos);
sl@0: 	IMPORT_C void AllocAt(TInt aPos, TInt aCount);
sl@0: 	IMPORT_C TBool IsFree(TInt aPos);
sl@0: 	IMPORT_C TBool IsFree(TInt aPos, TInt aCount);
sl@0: 	IMPORT_C void Free(TInt aPos);
sl@0: 	IMPORT_C void Free(TInt aPos, TInt aCount);
sl@0: 	IMPORT_C TInt Avail();
sl@0: 	IMPORT_C TInt Size();
sl@0: 	IMPORT_C TInt ExtractRamPages(TInt aConsecutive,TInt& aPageNo);
sl@0: protected:
sl@0: 	IMPORT_C CBitMapAllocator(TInt aSize,TInt aLength);
sl@0: protected:
sl@0: 	TInt iAvail;
sl@0: 	TInt iSize;
sl@0: 	TInt iLength;
sl@0: 	TUint iMap[1];
sl@0: 	};
sl@0: 
sl@0: 
sl@0: #endif //__E32BASE_H__