--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/commsfwutils/commsbufs/inc/commsbufskern.h	Thu Dec 17 09:22:25 2009 +0200
@@ -0,0 +1,118 @@
+// Copyright (c) 1999-2009 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:
+//
+
+#ifndef __COMMSBUFS_KERNEL_LIBRARY_H__
+#define __COMMSBUFS_KERNEL_LIBRARY_H__
+
+
+#include <e32cmn.h>
+
+#include <comms-infras/commsbuf.h>
+#include <comms-infras/commsbufpond.h>
+
+class TShBuf;
+
+/**
+Kernel side representation of commsbuf metadata. Maps on top of fields that user side and kernel side share an interest in.
+@publishedPartner
+*/
+class DCommsBuf : public TCommsBuf
+	{
+	friend class DCommsPond;
+
+public:
+	DCommsBuf()
+		{};
+
+	IMPORT_C static TInt AcceptFromClient(DThread* aClient, TInt aHandle, DCommsBuf* aSanitised);
+	IMPORT_C TInt TransferToClient(DThread* aClient);
+	IMPORT_C void Free();
+
+	inline TInt Length() const;
+	inline void SetLength(TInt aLength);
+
+	inline TInt Offset() const;
+	inline void SetOffset(TInt aOffset);
+
+	inline TUint8* Ptr() const;
+
+private:
+	DCommsBuf(TShBuf* aShBuf, TInt aCommsPoolHandle, TInt aBufSize);
+	DCommsBuf(TShBuf* aShBuf, TInt aCommsPoolHandle, TInt aBufSize, TInt aLength);
+
+	inline TAny* operator new(TUint aSize, const TUint8* aPtr);
+	inline void operator delete(TAny* aPtr, const TUint8*);
+	};
+
+
+class TCommsPond;
+class TPoolRecord;
+
+/**
+Kernel side representation of an RCommsPond. A collection of shared buffer pools.
+@publishedPartner
+*/
+class DCommsPond
+	{
+public:
+	IMPORT_C static DCommsPond* New();
+	~DCommsPond();
+
+	IMPORT_C TInt Load(TPondTransferBuf& aPondStore, DThread* aClient);
+	IMPORT_C void Unload();
+
+	IMPORT_C TInt SetDefaultAllocPool(TInt aRequiredBufferSize);
+
+	IMPORT_C TInt Alloc(DCommsBuf& aBuf);
+	IMPORT_C void Free(DCommsBuf& aBuf);
+
+private:
+	DCommsPond() : iInitialised(EFalse), iDefaultAllocPool(NULL) {}
+
+	TBool iInitialised;
+	TCommsPond* iPond;
+	TPoolRecord* iDefaultAllocPool;
+	};
+
+
+/**
+Panic codes associated with kernel side commsbufs operations
+@publishedPartner
+*/
+enum TKernCommsBufsPanicCodes
+	{
+	EPondNotReady = 0,
+	EPondAlreadyLoaded = 1,
+	EPondCorrupt = 2,
+	ECommsBufDimensionsOutOfBounds = 3,
+	ECommsBufMetadataCorrupt = 4
+	};
+
+/**
+Standard panic operations. Encapsulates panic catgory.
+@publishedPartner
+*/
+class KernCommsBuf
+	{
+public:
+	IMPORT_C static void PanicClient(DThread* aClient, TInt aReason);
+	IMPORT_C static void Fault(TInt aReason);
+	};
+
+
+#include <comms-infras/commsbufskern.inl>
+
+#endif // __COMMSBUFS_KERNEL_LIBRARY_H__
+