--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/systemswstubs/examplecommonisc/IscDataTransmissionBase/inc/IscBufferAllocator.h	Thu Jan 14 07:14:53 2010 +0200
@@ -0,0 +1,111 @@
+/*
+* Copyright (c) 2007 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:  Reference implementation for ISC buffer allocator.
+*
+*/
+
+
+
+
+#ifndef ISCBUFFERALLOCATOR_H
+#define ISCBUFFERALLOCATOR_H
+
+//  INCLUDES
+#include <kernel.h>
+
+#include "IscDataTransmissionBase.h"
+
+// CONSTANTS
+
+// MACROS
+
+// DATA TYPES
+
+// FUNCTION PROTOTYPES
+
+// FORWARD DECLARATIONS
+class DIscDevice;
+class IscBufferQueue;
+class DPlatChunkHw;
+class DIscBufferQueue;
+
+// CLASS DECLARATION
+
+
+/**
+*  Manages pre-allocated memory blocks
+*
+*  @lib IscDataTransmissionBase.LIB
+*  @since 2.8
+*/
+class DIscBufferAllocator //: public DLogicalDevice
+    {
+    public:  // Constructors and destructor
+        
+        DIscBufferAllocator( TIscBufferEntry* aBufferConfig );
+        virtual ~DIscBufferAllocator();
+
+    public: // New functions
+        
+        /**
+        * This method reserves pre-allocated memory block for sending/receiving frames
+        * @since 2.8
+        * @param TDes8*& aPtr a reference to pointer of descriptor
+        * @param TUint16 aSize The minimum size of needed memory block
+        * @return void 
+        */
+        IMPORT_C void ReserveMemoryBlock( TDes8*& aPtr, TUint16 aSize );
+        
+        /**
+        * This method releases memory block allocated with ReserveMemoryBlock
+        * @since 2.8
+        * @param TDes8* aPtr a pointer to descriptor that is to be released
+        * @return void 
+        */
+        IMPORT_C void ReleaseMemoryBlock( TDes8* aPtr );
+
+        /**
+        * This method makes the buffer allocations according to the 
+        * configuration specified by the ISC Multiplexer
+        * @since 2.8
+        * @return TInt KErrNone if succesful
+        */
+        IMPORT_C TInt AllocBuffers();
+
+
+    private:
+
+        /**
+        * This method makes the physical buffer allocations 
+        * @since 2.8
+        * @param TInt aPages amount of needed pages to allocate
+        * @return void 
+        */
+        void AllocPhMemory( TInt aPages );
+
+    private:    // Data
+
+        TIscBufferEntry    iBufferConfig[KIscBufferAmount];
+        DIscBufferQueue**   iBuffers;
+        
+#ifndef __WINS__
+        DPlatChunkHw* iBufferChunk;
+        TLinAddr    iCurrentAddress;
+#endif
+
+    };
+
+#endif      // ISCBUFFERALLOCATOR
+            
+// End of File