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os/kernelhwsrv/kerneltest/e32test/buffer/t_tbma.h
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib. 
     1 // Copyright (c) 1995-2009 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 // e32test\buffer\t_tbma.h

    15 // 

    16 //

    17 

    18 #ifndef __T_TBMA_H__

    19 #define __T_TBMA_H__

    20 

    21 #include <e32test.h>

    22 #include <e32atomics.h>

    23 

    24 #define TBMA_FAULT()	TBmaFault(__LINE__)

    25 #define __ALLOC(x)		User::Alloc(x)

    26 

    27 extern void TBmaFault(TInt aLine);

    28 

    29 extern RTest test;

    30 

    31 // Copied from klib.h

    32 class TBitMapAllocator

    33 	{

    34 public:

    35 	IMPORT_C static TBitMapAllocator* New(TInt aSize, TBool aState);

    36 	IMPORT_C TBitMapAllocator(TInt aSize, TBool aState);

    37 	inline TInt Avail() const {return iAvail;}

    38 	IMPORT_C TInt Alloc();

    39 	IMPORT_C void Free(TInt aPos);

    40 	IMPORT_C void Alloc(TInt aStart, TInt aLength);

    41 	IMPORT_C void Free(TInt aStart, TInt aLength);

    42 	IMPORT_C void SelectiveFree(TInt aStart, TInt aLength);

    43 	IMPORT_C TBool NotFree(TInt aStart, TInt aLength) const;

    44 	IMPORT_C TBool NotAllocated(TInt aStart, TInt aLength) const;

    45 	IMPORT_C TInt AllocList(TInt aLength, TInt* aList);

    46 	IMPORT_C TInt AllocConsecutive(TInt aLength, TBool aBestFit) const;

    47 	IMPORT_C TInt AllocAligned(TInt aLength, TInt aAlign, TInt aBase, TBool aBestFit) const;

    48 	IMPORT_C TInt AllocAligned(TInt aLength, TInt aAlign, TInt aBase, TBool aBestFit, TInt& aCarry, TInt& aRunLength) const;

    49 	IMPORT_C TInt AllocAligned(TInt aLength, TInt aAlign, TInt aBase, TBool aBestFit, TInt& aCarry, TInt& aRunLength, TUint aOffset) const;

    50 	IMPORT_C void CopyAlignedRange(const TBitMapAllocator* aA, TInt aFirst, TInt aLen);

    51 public:

    52 	TInt iAvail;			/**< @internalComponent */

    53 	TUint32* iCheckFirst;	/**< @internalComponent */

    54 	TInt iSize;				/**< @internalComponent */

    55 	TUint32 iMap[1];		/**< @internalComponent */	// extend

    56 	};

    57 

    58 class TBmaList

    59 	{

    60 public:

    61 	static TBmaList* New(TInt aNumBmas);

    62 	static TBmaList* New(const TBitMapAllocator& aBma, TInt aNumSplits, VA_LIST aList);

    63 	TBmaList();

    64 	~TBmaList();

    65 	TInt AllocConsecutiveFF(TInt aLength);

    66 	TInt AllocConsecutiveBF(TInt aLength);

    67 	TInt AllocAlignedFF(TInt aLength, TInt aAlign);

    68 	TInt AllocAlignedBF(TInt aLength, TInt aAlign);

    69 public:

    70 	TInt iNumBmas;

    71 	TBitMapAllocator** iBmaList;

    72 	TInt* iBaseList;

    73 	};

    74 

    75 struct SRange

    76 	{

    77 	TInt iBase;

    78 	TInt iLength;

    79 	};

    80 

    81 #endif
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