1 // Copyright (c) 1997-2009 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 "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 //

    15 

    16 /**

    17  @file

    18 */

    19 

    20 #if !defined(__MBufAsyncRequest_h__)

    21 #define __MBufAsyncRequest_h__

    22 

    23 #define ALIGN_MASK    0x03

    24 #define ALIGN_UP(n)   (((n)+(ALIGN_MASK)) & ~ALIGN_MASK)

    25 #define ALIGN_DOWN(n) ((n) & ~ALIGN_MASK)

    26 #define IS_ALIGNED(p) ((((TUint32)(p)) & ALIGN_MASK)==0)

    27 

    28 #ifndef __KERNEL_MODE__

    29 class CMBufAsyncReq;

    30 class RMBufAsyncRequest

    31 /**

    32 ASYNC ALLOCATOR SUPPORT

    33 @publishedPartner

    34 @released

    35 */

    36 	{

    37 	friend class CMBufManager;	// for access to iLink

    38 public:

    39 	IMPORT_C RMBufAsyncRequest();

    40 	IMPORT_C ~RMBufAsyncRequest();

    41 	IMPORT_C void Alloc(RMBufChain& aChain, TInt aLength, TRequestStatus& aStatus);

    42 	IMPORT_C void Cancel();

    43 protected:

    44 	void Complete(TInt aCode);

    45 protected:

    46 	TInt iLength;

    47 	RMBufQ iMBufs;

    48 	RMBufChain* iChain;

    49 	TRequestStatus* iStatusPtr;

    50 	RThread iThread;

    51 	TDblQueLink iLink;

    52 private:

    53 	TUint iLogger; //alternative for __FLOG_DECLARATION_MEMBER

    54 	};

    55 #endif // __KERNEL_MODE__

    56 

    57 #endif // __MBufAsyncRequest_h__