1 // Copyright (c) 1994-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of the License "Symbian Foundation License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.symbianfoundation.org/legal/sfl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // e32\include\e32base_private.h

    15 // 

    16 //

    17 

    18 /**

    19  @file

    20  @internalTechnology

    21  @released

    22 */

    23 

    24 #ifndef __E32BASE_PRIVATE_H__

    25 #define __E32BASE_PRIVATE_H__

    26 #include <e32std.h>

    27 #include <e32std_private.h>

    28 #include <e32base.h>

    29 

    30 /**

    31 @internalComponent

    32 */

    33 		struct	TObjectDataStr	//In use if this slot contains pointer to object.

    34 			{			

    35 			TInt16 instance;  

    36 			TUint16 uniqueID;

    37 			};

    38 /**

    39 @internalComponent

    40 */

    41 		struct SObjectIxRec

    42 			{

    43 			union

    44 			{

    45 				TObjectDataStr str;	//This is in use if the slot contains pointer to CObject.	

    46 				TInt nextEmpty;		//This is in use if the slot is empty. Points to the next empty slot ...

    47 									//... in the list. 16 bits would be enough but ARM prefers 32 bytes.

    48 			};

    49 			CObject* obj;

    50 			};

    51 

    52 /**

    53 @internalTechnology

    54 @deprecated

    55 */

    56 class CBitMapAllocator : public CBase

    57 	{

    58 public:

    59 	IMPORT_C static CBitMapAllocator* New(TInt aSize);

    60 	IMPORT_C static CBitMapAllocator* NewL(TInt aSize);

    61 	IMPORT_C ~CBitMapAllocator();

    62 	IMPORT_C TInt Alloc();

    63 	IMPORT_C TInt AllocFrom(TInt aPos);

    64 	IMPORT_C TInt Alloc(TInt aCount, TInt& aConsecutive);

    65 	IMPORT_C TInt AllocAligned(TInt anAlignment);

    66 	IMPORT_C TInt AllocAlignedBlock(TInt anAlignment);

    67 	IMPORT_C TInt AllocFromTop();

    68 	IMPORT_C TInt AllocFromTopFrom(TInt aPos);

    69 	IMPORT_C void AllocAt(TInt aPos);

    70 	IMPORT_C void AllocAt(TInt aPos, TInt aCount);

    71 	IMPORT_C TBool IsFree(TInt aPos);

    72 	IMPORT_C TBool IsFree(TInt aPos, TInt aCount);

    73 	IMPORT_C void Free(TInt aPos);

    74 	IMPORT_C void Free(TInt aPos, TInt aCount);

    75 	IMPORT_C TInt Avail();

    76 	IMPORT_C TInt Size();

    77 	IMPORT_C TInt ExtractRamPages(TInt aConsecutive,TInt& aPageNo);

    78 protected:

    79 	IMPORT_C CBitMapAllocator(TInt aSize,TInt aLength);

    80 protected:

    81 	TInt iAvail;

    82 	TInt iSize;

    83 	TInt iLength;

    84 	TUint iMap[1];

    85 	};

    86 

    87 

    88 #endif //__E32BASE_H__