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1 <?xml version="1.0" encoding="utf-8"?> |
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2 <!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. --> |
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3 <!-- This component and the accompanying materials are made available under the terms of the License |
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4 "Eclipse Public License v1.0" which accompanies this distribution, |
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5 and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". --> |
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6 <!-- Initial Contributors: |
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7 Nokia Corporation - initial contribution. |
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8 Contributors: |
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9 --> |
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10 <!DOCTYPE concept |
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11 PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd"> |
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12 <concept id="GUID-0422EDC4-E17C-5E58-BB37-03CCA79ED3E9" xml:lang="en"><title>How |
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13 to Wait for a Given Time Period</title><shortdesc>Explains how to use timers to suspend a thread for a given time |
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14 period.</shortdesc><prolog><metadata><keywords/></metadata></prolog><conbody> |
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15 <p>Once the timer has been created and initialised, a request can be set up.</p> |
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16 <ul> |
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17 <li id="GUID-252BD68A-05F6-57D0-98E1-4BE2B0B7D2D6"><p>start the timer to complete |
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18 after a set period by calling <codeph>After()</codeph>, passing the required |
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19 period in microseconds</p> </li> |
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20 <li id="GUID-7D5F4F30-6AD5-5532-A9BE-015EE4632842"><p>call <codeph>User::WaitForRequest()</codeph> to |
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21 wait for completion</p> </li> |
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22 </ul> |
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23 <p>In the following example, the thread is suspended for a 1 second. <codeph>timerStatus</codeph> is |
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24 a <codeph>TRequestStatus</codeph>.</p> |
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25 <codeblock id="GUID-4F3CC22C-220D-5B29-8335-2757C47C8763" xml:space="preserve">timer.After(timerStatus,1000000); |
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26 User::WaitForRequest(timerStatus); |
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27 </codeblock> |
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28 </conbody></concept> |