--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/commsfwutils/commsbufs/inc/commsbufq.h	Thu Dec 17 09:22:25 2009 +0200
@@ -0,0 +1,74 @@
+// Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description: Comms buffer queue
+//
+
+#ifndef __COMMSBUFQ_H__
+#define __COMMSBUFQ_H__
+
+#include <e32base.h>
+#include <comms-infras/commsbufchain.h>
+class RCommsBuf;
+class RCommsBufChain;
+
+/**
+A linked list of RCommsBuf
+
+Note: Currently the class is tagged as internal technology. In order to move this class
+to other categories a detailed analysis of APIs to be conducted
+
+@internalTechnology
+*/
+class RCommsBufQ
+	{
+	friend class CSystemSharedBufPool;
+	__DECLARE_CLEANUP
+public:
+	inline RCommsBufQ();
+	IMPORT_C RCommsBufQ(RCommsBuf* aChain);
+
+	inline RCommsBufQ(RCommsBuf* aFirst, RCommsBuf* aLast);
+
+	inline TBool IsEmpty();
+
+	inline RCommsBuf* First();
+
+	inline RCommsBuf* Last();
+
+	IMPORT_C void Init();
+	IMPORT_C void Assign(RCommsBufQ& aQueue);
+	IMPORT_C void Assign(RCommsBufChain& aChain);
+	IMPORT_C void Append(RCommsBuf* aBuf);
+	IMPORT_C void Append(RCommsBufQ& aQueue);
+	IMPORT_C void Append(RCommsBufChain& aChain);
+	IMPORT_C void Prepend(RCommsBuf* aBuf);
+	IMPORT_C void Prepend(RCommsBufQ& aQueue);
+	IMPORT_C void Prepend(RCommsBufChain& aChain);
+	IMPORT_C RCommsBuf* Remove();
+	IMPORT_C void Free();
+
+	protected:
+	RCommsBuf* iNext;
+	RCommsBuf* iLast;
+
+	protected:
+	IMPORT_C TInt Transfer(RCommsBufQ& aQueue, TInt aSize, TInt aBufSize, TInt& aCount);
+	IMPORT_C RCommsBuf* RemoveLast();
+	};
+
+#include <comms-infras/commsbufq.inl>
+#endif // __COMMSBUFQ_H__
+
+
+
+