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1 // Copyright (c) 1994-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of the License "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // e32\include\e32base_private.h |
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15 // |
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16 // WARNING: This file contains some APIs which are internal and are subject |
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17 // to change without notice. Such APIs should therefore not be used |
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18 // outside the Kernel and Hardware Services package. |
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19 // |
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20 |
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21 /** |
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22 @file |
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23 @internalTechnology |
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24 @released |
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25 */ |
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26 |
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27 #ifndef __E32BASE_PRIVATE_H__ |
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28 #define __E32BASE_PRIVATE_H__ |
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29 #include <e32std.h> |
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30 #include <e32std_private.h> |
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31 #include <e32base.h> |
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32 |
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33 /** |
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34 @internalComponent |
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35 */ |
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36 struct TObjectDataStr //In use if this slot contains pointer to object. |
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37 { |
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38 TInt16 instance; |
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39 TUint16 uniqueID; |
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40 }; |
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41 /** |
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42 @internalComponent |
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43 */ |
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44 struct SObjectIxRec |
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45 { |
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46 union |
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47 { |
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48 TObjectDataStr str; //This is in use if the slot contains pointer to CObject. |
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49 TInt nextEmpty; //This is in use if the slot is empty. Points to the next empty slot ... |
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50 //... in the list. 16 bits would be enough but ARM prefers 32 bytes. |
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51 }; |
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52 CObject* obj; |
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53 }; |
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54 |
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55 /** |
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56 @internalTechnology |
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57 @deprecated |
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58 */ |
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59 class CBitMapAllocator : public CBase |
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60 { |
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61 public: |
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62 IMPORT_C static CBitMapAllocator* New(TInt aSize); |
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63 IMPORT_C static CBitMapAllocator* NewL(TInt aSize); |
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64 IMPORT_C ~CBitMapAllocator(); |
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65 IMPORT_C TInt Alloc(); |
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66 IMPORT_C TInt AllocFrom(TInt aPos); |
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67 IMPORT_C TInt Alloc(TInt aCount, TInt& aConsecutive); |
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68 IMPORT_C TInt AllocAligned(TInt anAlignment); |
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69 IMPORT_C TInt AllocAlignedBlock(TInt anAlignment); |
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70 IMPORT_C TInt AllocFromTop(); |
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71 IMPORT_C TInt AllocFromTopFrom(TInt aPos); |
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72 IMPORT_C void AllocAt(TInt aPos); |
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73 IMPORT_C void AllocAt(TInt aPos, TInt aCount); |
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74 IMPORT_C TBool IsFree(TInt aPos); |
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75 IMPORT_C TBool IsFree(TInt aPos, TInt aCount); |
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76 IMPORT_C void Free(TInt aPos); |
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77 IMPORT_C void Free(TInt aPos, TInt aCount); |
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78 IMPORT_C TInt Avail(); |
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79 IMPORT_C TInt Size(); |
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80 IMPORT_C TInt ExtractRamPages(TInt aConsecutive,TInt& aPageNo); |
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81 protected: |
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82 IMPORT_C CBitMapAllocator(TInt aSize,TInt aLength); |
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83 protected: |
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84 TInt iAvail; |
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85 TInt iSize; |
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86 TInt iLength; |
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87 TUint iMap[1]; |
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88 }; |
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89 |
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90 |
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91 #endif //__E32BASE_H__ |