--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/commsfwutils/commsbufs/inc/commsbufpond.h	Thu Dec 17 09:22:25 2009 +0200
@@ -0,0 +1,104 @@
+// 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: Collection of shared buffers and allocator support
+// to speed up the allocation 
+//
+
+#ifndef __COMMSBUFPOND_H__ 
+#define __COMMSBUFPOND_H__
+
+/**
+Standard aligned buffer for transfer of pond info between comms and kernel commsbuf drivers
+*/
+typedef TBuf8<144> TPondTransferBuf;
+
+
+#ifndef __KERNEL_MODE__
+
+#include <e32base.h>
+#include <e32shbuf.h>
+
+class TCommsBufPoolCreateInfo;
+class RCommsBuf;
+class MCommsBufPondIntf;
+class RCommsBufAsyncRequest;
+class RCommsBufPond;
+
+/**
+TCommsBufAllocator provides a handle to the allocator to speed up the allocation without 
+internally accessing the Thread Local Storage. 
+
+@publishedPartner
+@prototype
+*/
+class TCommsBufAllocator
+	{
+	friend class RCommsBuf;
+	friend class RCommsBufChain;
+	friend class RCommsBufPond;
+	friend class RMBufAllocator;
+	friend class RMBufChain;
+	friend class RMBuf;
+	friend class CCommsBufAsyncRequest;
+	
+	private:
+	inline TCommsBufAllocator(RCommsBufPond aPond);
+	MCommsBufPondIntf&	iPond;
+	};
+
+class CSystemSharedBufPond;
+/**
+The RCommsBufPond represents a collection of RShPools. Each pool in the pond has a different
+size of buffer. The pond is responsible for creating, allocating and freeing these pools. 
+
+@publishedPartner
+@prototype
+*/
+class RCommsBufPond
+	{
+	friend class RCommsBufPondInternalOp;
+	friend class TCommsBufAllocator;
+	friend class RCommsBuf;
+	friend class TCommsBufPondTLSOp;
+	friend class TCommsBufPondDbg;
+
+	public:
+	IMPORT_C RCommsBufPond();
+
+	IMPORT_C RCommsBuf* Alloc(TInt aSize, TInt aMinBufSize, TInt aMaxBufSize);
+	IMPORT_C RCommsBuf* FromHandle(TInt aHandle);
+	IMPORT_C TInt Store(TPondTransferBuf& aStore) const;
+
+	IMPORT_C TInt BytesAvailable() const;
+	IMPORT_C TInt BytesAvailable(TInt aSize) const;
+	IMPORT_C TInt NextBufSize(TInt aSize) const;
+	IMPORT_C TInt LargestBufSize() const;
+	
+	IMPORT_C TCommsBufAllocator Allocator();
+	
+	inline TBool IsNull() const;
+	private:
+    IMPORT_C void StartRequest(RCommsBufAsyncRequest& aRequest);
+    IMPORT_C void CancelRequest(RCommsBufAsyncRequest& aRequest);
+	
+    CSystemSharedBufPond& Pond() const;
+	inline	RCommsBufPond(MCommsBufPondIntf* aPondImpl);
+	protected:
+	MCommsBufPondIntf* iPondImpl;	// The pond implementation. This can be the legacy MBufMgr or the new system wide
+									// shared buffer implementation
+	};
+
+#endif // __KERNEL_MODE__
+
+#endif // __COMMSBUFPOND_H__
+#include <comms-infras/commsbufpond.inl>