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Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/fifochild_8c-source.html
author Dominic Pinkman <Dominic.Pinkman@Nokia.com>
Tue, 30 Mar 2010 11:42:04 +0100
changeset 4 4816d766a08a
parent 1 25a17d01db0c
permissions -rw-r--r--
Week 12 contribution of SDK documentation_content. See release notes for details. Fixes Bug 1892, Bug 1522, Bug 1520, Bug 394, Bug 1319, Bug 344, Bug 1897
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
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<title>TB10.1 Example Applications: examples/PIPS/IPC/src/child/fifochild.c Source File</title>
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<link href="doxygen.css" rel="stylesheet" type="text/css">
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<link href="tabs.css" rel="stylesheet" type="text/css">
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</head><body>
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<!-- Generated by Doxygen 1.5.3 -->
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<h1>examples/PIPS/IPC/src/child/fifochild.c</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// fifochild.c</span>
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<a name="l00002"></a>00002 <span class="comment">//</span>
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<a name="l00003"></a>00003 <span class="comment">// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).</span>
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<a name="l00004"></a>00004 <span class="comment">// All rights reserved.</span>
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<a name="l00005"></a>00005 <span class="comment">// This component and the accompanying materials are made available</span>
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<a name="l00006"></a>00006 <span class="comment">// under the terms of "Eclipse Public License v1.0"</span>
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<a name="l00007"></a>00007 <span class="comment">// which accompanies this distribution, and is available</span>
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<a name="l00008"></a>00008 <span class="comment">// at the URL "http://www.eclipse.org/legal/epl-v10.html".</span>
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<a name="l00009"></a>00009 <span class="comment">//</span>
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<a name="l00010"></a>00010 <span class="comment">// Initial Contributors:</span>
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<a name="l00011"></a>00011 <span class="comment">// Nokia Corporation - initial contribution.</span>
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<a name="l00012"></a>00012 <span class="comment">//</span>
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<a name="l00013"></a>00013 <span class="comment">// Contributors:</span>
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<a name="l00014"></a>00014 <span class="comment">//</span>
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<a name="l00015"></a>00015 <span class="comment">// Description:</span>
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<a name="l00016"></a>00016 <span class="comment">//</span>
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<a name="l00017"></a>00017
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<a name="l00018"></a>00018
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<a name="l00019"></a>00019 <span class="preprocessor">#include &lt;stdio.h&gt;</span>
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<a name="l00020"></a>00020 <span class="preprocessor">#include &lt;fcntl.h&gt;</span>
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<a name="l00021"></a>00021 <span class="preprocessor">#include &lt;unistd.h&gt;</span>
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<a name="l00022"></a>00022 <span class="preprocessor">#include &lt;stdlib.h&gt;</span>
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<a name="l00023"></a>00023 <span class="preprocessor">#include &lt;errno.h&gt;</span>
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<a name="l00024"></a>00024
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<a name="l00029"></a>00029 <span class="keywordtype">char</span> PressKey()
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<a name="l00030"></a>00030         {
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<a name="l00031"></a>00031         <span class="keywordtype">char</span> ch;
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<a name="l00032"></a>00032         fflush(stdout);
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<a name="l00033"></a>00033         ch=getchar();
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<a name="l00034"></a>00034         <span class="keywordflow">return</span> ch;
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<a name="l00035"></a>00035         }
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<a name="l00036"></a>00036
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<a name="l00042"></a>00042 <span class="keywordtype">int</span> Error(<span class="keywordtype">char</span> msg[])
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<a name="l00043"></a>00043         {
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<a name="l00044"></a>00044         printf(<span class="stringliteral">"%s [Error NUMBER = %d]\n"</span>,msg,errno);
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<a name="l00045"></a>00045         PressKey();
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<a name="l00046"></a>00046         <span class="keywordflow">return</span> EXIT_FAILURE;
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<a name="l00047"></a>00047         }
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<a name="l00048"></a>00048
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<a name="l00049"></a>00049 <span class="keywordtype">int</span> main()
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<a name="l00050"></a>00050 {
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<a name="l00052"></a>00052         <span class="keywordtype">char</span> fifoFileName[] = <span class="stringliteral">"myfifofile"</span>;
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<a name="l00055"></a>00055         <span class="keywordtype">int</span> fifoFd = open(fifoFileName,O_WRONLY);
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<a name="l00057"></a>00057         <span class="keywordflow">if</span>(fifoFd == -1)
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<a name="l00058"></a>00058         {
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<a name="l00060"></a>00060                 Error(<span class="stringliteral">"\n*** child failure FIFO Open ***\n"</span>);
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<a name="l00061"></a>00061                 <span class="keywordflow">return</span> EXIT_FAILURE;
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<a name="l00062"></a>00062         }
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<a name="l00063"></a>00063         <span class="keywordflow">else</span>
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<a name="l00064"></a>00064         {
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<a name="l00066"></a>00066                 <span class="keywordtype">char</span> TxMsg[] = <span class="stringliteral">"Hello Parent [FIFO]\n"</span>;
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<a name="l00068"></a>00068                 write(fifoFd,TxMsg,<span class="keyword">sizeof</span>(TxMsg));
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<a name="l00070"></a>00070                 (void)close(fifoFd);
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<a name="l00071"></a>00071         }
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<a name="l00072"></a>00072         <span class="keywordflow">return</span> EXIT_SUCCESS;
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<a name="l00073"></a>00073 }
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<a name="l00074"></a>00074
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</pre></div><hr size="1"><address style="text-align: right;"><small>Generated on Thu Jan 21 10:33:00 2010 for TB10.1 Example Applications by&nbsp;
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<a href="http://www.doxygen.org/index.html">
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<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.3 </small></address>
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</body>
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</html>
FCL/sftools/depl/docscontent