ncdengine/debuglogger/inc/OsmDelay.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 17 Dec 2009 08:51:10 +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:   Declaration of the COsmDelay class.
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*
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*/
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#ifndef Hb0ac1e7a851b4571bffbc4428f4401f4
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#define Hb0ac1e7a851b4571bffbc4428f4401f4
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#include <e32base.h>
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/**
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 * Utility for creating delays and timer callbacks.
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 * When a delay or timer callback is active, the thread is not stopped
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 * and active scheduler events occur normally.
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 */
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class COsmDelay : public CTimer
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    {
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public:
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    /**
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     * Constructor.
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     * 
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     * @param aCallBack Function that gets called after the timer goes off.
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     * @return COsmDelay* Pointer to the created COsmDelay object.
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     */
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    static COsmDelay* COsmDelay::NewL( TCallBack aCallBack );
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    /**
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     * Creates a delay of a specified time using CActiveScheduler
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     * Start()-Stop() sequence.
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     * @param aTime Time in microseconds to wait.
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     */
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    static void SynchronousWaitL( TInt aTime );
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    /**
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     * Small wait of 1/100 sec.
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     */
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    static void SmallWaitL();
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    /**
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     * Small wait of 1/100 sec. Non-leavable version.
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     * @return Error code
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     */
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    static TInt SmallWait();
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private:
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    /**
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     * Constructor.
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     * 
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     * @param aCallBack Function that gets called after timer goes off.
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     */
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    COsmDelay( TCallBack aCallBack );
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    /**
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     * @see CActive::RunL()
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     */
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    void RunL();
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private:
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    /**
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     * Callback function
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     */
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    TCallBack iCallBack;
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    };
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#endif // Hb0ac1e7a851b4571bffbc4428f4401f4