simpleengine/engine/src/simpleengineutils.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 01:05:17 +0200
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/*
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* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:    Simple Engine utils
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*
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*/
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// INCLUDE FILES
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#include <e32std.h>
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#include <e32base.h>
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#include "simpleengineutils.h"
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#include "simplecommon.h"
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// ================= MEMBER FUNCTIONS =======================
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//**********************************
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// TSimpleEngineUtils
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//**********************************
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// ---------------------------------------------------------
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// TSimpleEngineUtils::OpIdRange
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// ---------------------------------------------------------
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//
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TInt TSimpleEngineUtils::OpIdRange()
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    {
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    // Bit mask to create server OOM error response
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    const TUint KMaxId = 0x40000000;
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    const TInt KMagic2 = 50;
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    TInt limitLowerValue = REINTERPRET_CAST(TInt, Dll::Tls() );
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    TInt limitUpperValue = limitLowerValue + KRangeSize;
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    // Check that counter does not go around
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    if ( limitUpperValue & KMaxId )
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        {
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        // start from 50, if this ever happens
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        limitLowerValue = KMagic2;
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        limitUpperValue = limitLowerValue + KRangeSize;
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        }
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    Dll::SetTls( REINTERPRET_CAST(TAny*, limitUpperValue ) );
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    return limitLowerValue;
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    }
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//  End of File
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