--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/persistentstorage/sql/SRC/Common/IPC/IpcDefs.h	Fri Jan 22 11:06:30 2010 +0200
@@ -0,0 +1,54 @@
+// Copyright (c) 2005-2009 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 __IPCDEFS_H__
+#define __IPCDEFS_H__
+
+#include <e32std.h>
+
+#ifdef _DEBUG
+
+const TInt KIpcStreamSize = 8;
+const TInt KIpcBufSize = 8;
+
+#else //_DEBUG
+
+const TInt KIpcStreamSize = 3 * 1024;
+const TInt KIpcBufSize = KIpcStreamSize / 2;
+
+#endif//_DEBUG
+
+/**
+IPC temporary data buffer.
+
+HIpcBuf class uses the buffer as a temporary IPC data storage when a large block of data
+has to be sent to the server. In this case the data will be split in chunks, each of 
+TIpcStreamBuf size, and every chunk will be sent separately and the large data block will
+reconstructed on the server side.
+
+@see HIpcBuf
+
+@internalComponent
+*/
+NONSHARABLE_CLASS(TIpcStreamBuf)
+	{
+public:
+	enum {ESize = KIpcBufSize};
+public:
+	TInt	iExt;
+	TUint8	iData[ESize];
+	};
+
+#endif//__IPCDEFS_H__