Symbian3/PDK/Source/GUID-833BF27D-B288-506A-B545-E748C9FE7AEA.dita
author Dominic Pinkman <Dominic.Pinkman@Nokia.com>
Fri, 22 Jan 2010 18:26:19 +0000
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child 3 46218c8b8afa
permissions -rw-r--r--
Addition of the PDK content and example code for Documentation_content according to Feature bug 1607 and bug 1608
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<?xml version="1.0" encoding="utf-8"?>
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<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->
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<!-- This component and the accompanying materials are made available under the terms of the License 
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"Eclipse Public License v1.0" which accompanies this distribution, 
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and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". -->
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<!-- Initial Contributors:
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    Nokia Corporation - initial contribution.
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Contributors: 
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-->
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<!DOCTYPE task
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  PUBLIC "-//OASIS//DTD DITA Task//EN" "task.dtd">
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<task id="GUID-833BF27D-B288-506A-B545-E748C9FE7AEA" xml:lang="en"><title>Making
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a Component Shutdown Aware</title><shortdesc>This document explains the step by step procedure to make a component
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shutdown aware. </shortdesc><prolog><metadata><keywords/></metadata></prolog><taskbody>
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<prereq><p>Before you start, you must know: </p> <ul>
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<li id="GUID-264E0292-3BD2-58FA-BCAA-12F067D2CB19"><p>State Aware Session
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provides an API that allows clients to manage notification of system state
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transitions. </p> </li>
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<li id="GUID-AEB1E441-55A9-5710-9F2C-96CDE17F1842"><p>System State transitions
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such as Start-up, Normal, Shutdown and Fail. </p> </li>
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</ul> </prereq>
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<context><p>It is necessary to make a component shutdown aware to delay the
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shutdown until the component completes the shutdown related tasks. </p><p>Follow
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the steps given below to make a component shutdown aware:</p></context>
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<steps id="GUID-EDB6CA64-4FCC-5595-9495-857E73A8283D">
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<step id="GUID-4C66BF80-594E-5049-8D80-03809CECB427"><cmd/>
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<info><xref href="GUID-BBA7D3E2-1766-53CA-8D58-4F0B3BAA4873.dita">Register for
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shutdown notification</xref> through <xref href="GUID-89C25B0F-DB76-30D5-A4D6-0C12922194E4.dita"><apiname>RSsmStateAwareSession</apiname></xref> for
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shutdown notification if they need to do save critical or non-critical data
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and perform clean-up tasks at the time of shutdown. </info>
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</step>
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<step id="GUID-F537FD88-1ADF-5FD2-A820-AD03B9BFE1D2"><cmd/>
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<info><xref href="GUID-45CEAFA0-5545-55FC-8807-E6EC7E0CA6F9.dita">Managing shutdown</xref> to
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acknowledge the request and register the component for any state changes and
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close the session to free the resources that were used during the <codeph>Connect()</codeph>. </info>
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</step>
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</steps>
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</taskbody><related-links>
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<link href="GUID-BBA7D3E2-1766-53CA-8D58-4F0B3BAA4873.dita"><linktext>Registering
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for Shutdown Notification</linktext></link>
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<link href="GUID-45CEAFA0-5545-55FC-8807-E6EC7E0CA6F9.dita"><linktext>Managing
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Shutdown</linktext></link>
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</related-links></task>