Symaptic: os/kernelhwsrv/kernel/eka/include/e32base

     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 "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-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 // WARNING: This file contains some APIs which are internal and are subject

    17 //          to change without notice. Such APIs should therefore not be used

    18 //          outside the Kernel and Hardware Services package.

    19 //

    21 /**

    22  @file

    23  @internalTechnology

    24  @released

    25 */

    27 #ifndef __E32BASE_PRIVATE_H__

    28 #define __E32BASE_PRIVATE_H__

    29 #include <e32std.h>

    30 #include <e32std_private.h>

    31 #include <e32base.h>

    33 /**

    34 @internalComponent

    35 */

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

    37 			{

    38 			TInt16 instance;

    39 			TUint16 uniqueID;

    40 			};

    41 /**

    42 @internalComponent

    43 */

    44 		struct SObjectIxRec

    45 			{

    46 			union

    47 			{

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

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

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

    51 			};

    52 			CObject* obj;

    53 			};

    55 /**

    56 @internalTechnology

    57 @deprecated

    58 */

    59 class CBitMapAllocator : public CBase

    60 	{

    61 public:

    62 	IMPORT_C static CBitMapAllocator* New(TInt aSize);

    63 	IMPORT_C static CBitMapAllocator* NewL(TInt aSize);

    64 	IMPORT_C ~CBitMapAllocator();

    65 	IMPORT_C TInt Alloc();

    66 	IMPORT_C TInt AllocFrom(TInt aPos);

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

    68 	IMPORT_C TInt AllocAligned(TInt anAlignment);

    69 	IMPORT_C TInt AllocAlignedBlock(TInt anAlignment);

    70 	IMPORT_C TInt AllocFromTop();

    71 	IMPORT_C TInt AllocFromTopFrom(TInt aPos);

    72 	IMPORT_C void AllocAt(TInt aPos);

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

    74 	IMPORT_C TBool IsFree(TInt aPos);

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

    76 	IMPORT_C void Free(TInt aPos);

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

    78 	IMPORT_C TInt Avail();

    79 	IMPORT_C TInt Size();

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

    81 protected:

    82 	IMPORT_C CBitMapAllocator(TInt aSize,TInt aLength);

    83 protected:

    84 	TInt iAvail;

    85 	TInt iSize;

    86 	TInt iLength;

    87 	TUint iMap[1];

    88 	};

    91 #endif //__E32BASE_H__

author	sl@SLION-WIN7.fritz.box
	Fri, 15 Jun 2012 03:10:57 +0200
changeset 0	bde4ae8d615e
permissions	-rw-r--r--