userlibandfileserver/fileserver/sfile/sf_ldr.h
changeset 0 a41df078684a
equal deleted inserted replaced
-1:000000000000 0:a41df078684a
       
     1 // Copyright (c) 2006-2009 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 // f32\sfile\sf_ldr.h
       
    15 // 
       
    16 //
       
    17 
       
    18 #ifndef __SF_LDR_H__
       
    19 #define __SF_LDR_H__
       
    20 
       
    21 class TLoaderDeletedList
       
    22 	{
       
    23 public:
       
    24 	TLoaderDeletedList* iNext;
       
    25 	TInt iDriveNumber;
       
    26 	TInt64 iStartBlock;
       
    27 	HBufC* iFileName;
       
    28 	};
       
    29 
       
    30 
       
    31 NONSHARABLE_CLASS(CReaperCleanupTimer): public CTimer
       
    32 	{
       
    33 public:
       
    34 	CReaperCleanupTimer();
       
    35 	static TInt New();
       
    36 	static void Complete();
       
    37 private:
       
    38 	~CReaperCleanupTimer();
       
    39 	void RunL();
       
    40 	void Start();
       
    41 	static CReaperCleanupTimer* Timer;
       
    42 	};
       
    43 
       
    44 NONSHARABLE_CLASS(CActiveReaper) : public CActive
       
    45 	{
       
    46 public:
       
    47 	static CActiveReaper* New();
       
    48 	~CActiveReaper();
       
    49 	void StartReaper();
       
    50 	
       
    51 	void AddDeleted(TLoaderDeletedList* aLink);	
       
    52 	void InitDelDir();
       
    53 private:
       
    54 	CActiveReaper();
       
    55 
       
    56 	void Construct();
       
    57 	virtual void RunL();
       
    58 	virtual void DoCancel();
       
    59 	
       
    60 	TLoaderDeletedList* iLoaderDeletedList;
       
    61 	};
       
    62 
       
    63 NONSHARABLE_CLASS(CSlottedChunkAllocator) : public CBase
       
    64 	{
       
    65 public:
       
    66 	TInt Construct();
       
    67 	TAny* Alloc(TUint aSize);
       
    68 	void Free(TAny* aPtr);
       
    69 
       
    70 private:
       
    71 	// slot size must be multiple of page size
       
    72 	enum { KSlots=2, KSlotSize=16777216 };
       
    73 	TUint iUsed[KSlots];
       
    74 	RChunk iChunk;
       
    75 	TUint8* iBase;
       
    76 	};
       
    77 
       
    78 extern CSlottedChunkAllocator gFileDataAllocator;
       
    79 
       
    80 
       
    81 //#define TRACE_CHECK_FAILURES
       
    82 //#define TRACE_ON
       
    83 
       
    84 
       
    85 #ifdef TRACE_CHECK_FAILURES
       
    86 static TInt CheckFail(const char* aFile,TUint aLine)
       
    87 	{
       
    88 	RDebug::Printf("\nLoader check failure: %s line %d\n",aFile,aLine);
       
    89 	return 0;
       
    90 	}
       
    91 #define CHECK_FAIL CheckFail(__FILE__,__LINE__)
       
    92 #define CHECK_FAILURE(_r) (void)(_r==0 || CHECK_FAIL)
       
    93 #else
       
    94 #define CHECK_FAIL ((void)0)
       
    95 #define CHECK_FAILURE(_r) ((void)0)
       
    96 #endif
       
    97 
       
    98 #define RETURN_FAILURE(_r) return (CHECK_FAIL,_r)
       
    99 #define LEAVE_FAILURE(_r) User::Leave((CHECK_FAIL,_r))
       
   100 
       
   101 #ifdef TRACE_ON
       
   102 #define TRACE(_t) RDebug::Printf _t
       
   103 #else
       
   104 #define TRACE(_t) ((void)0)
       
   105 #endif
       
   106 #define E32IMAGEHEADER_TRACE TRACE
       
   107 
       
   108 
       
   109 
       
   110 #endif