commsfwutils/commsbufs/version1/mbufmgr/INC/MBufAllocator.h
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// Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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/**
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 @file
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 @publishedPartner
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 @released
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*/
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#ifndef MBUFALLOCATOR_H_
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#define MBUFALLOCATOR_H_
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class CMBufManager;
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class RMBufAllocator
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/**
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RMBufAllocator provides a handle that can be used to speed RMBufChain allocation.
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Without this handle every allocation internally accesses thread local storage.
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Creation of the RMBufAllocator handle uses thread local storage but subsequent
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RMBufChain allocations using this handle don't.
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RMBufAllocator also provides information about the state of the RMBuf free pools,
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each size of RMBuf has a different free pool.
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@publishedPartner
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@released
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*/
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	{
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public:
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    IMPORT_C RMBufAllocator();
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	IMPORT_C TInt BytesAvailable() const;
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	IMPORT_C TInt BytesAvailable(TInt aSize) const;
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	IMPORT_C TInt NextMBufSize(TInt aSize) const;
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	IMPORT_C TInt LargestMBufSize() const;
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/**
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 * @internalTechnology
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 */
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	inline CMBufManager& MBufManager(){return iManager;}
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private:
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    CMBufManager& iManager;
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	};
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#endif /*MBUFALLOCATOR_H_*/