1 /*

     2 * Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of the License "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  

    15 *

    16 */

    17 

    18 #ifndef __FASTALLOCATOR_H__

    19 #define __FASTALLOCATOR_H__

    20 

    21 #include <e32base.h>

    22 #include <e32cmn.h>

    23 

    24 class CFastMemoryPool;

    25 

    26 class RFastAllocator : public RAllocator

    27 {

    28 public:

    29 	IMPORT_C RFastAllocator(CFastMemoryPool*);

    30     IMPORT_C ~RFastAllocator();

    31 

    32 	IMPORT_C TAny* Alloc(TInt aSize);

    33 	IMPORT_C void Free(TAny* aPtr);

    34 	IMPORT_C TAny* ReAlloc(TAny* aPtr, TInt aSize, TInt aMode=0);

    35 	IMPORT_C TInt AllocLen(const TAny* aCell) const;

    36 	IMPORT_C TInt Compress();

    37 	IMPORT_C void Reset();

    38 	IMPORT_C TInt AllocSize(TInt& aTotalAllocSize) const;

    39 	IMPORT_C TInt Available(TInt& aBiggestBlock) const;

    40 	IMPORT_C TInt DebugFunction(TInt aFunc, TAny* a1=NULL, TAny* a2=NULL);

    41 	IMPORT_C TInt Extension_(TUint aExtensionId, TAny*& a0, TAny* a1);

    42 

    43 private:

    44     TBool IsLocatedInHeap( TAny* aPtr ) const;

    45 

    46     RHeap& iHeap;

    47     TUint32 iHeapBase;

    48     CFastMemoryPool* iPool;

    49   };

    50 

    51 #endif //!__FASTALLOCATOR_H__