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3 <title>TB10.1 Example Applications: examples/PIPS/IPC/src/child/fifochild.c Source File</title> |
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8 <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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9 <a name="l00002"></a>00002 <span class="comment">//</span> |
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10 <a name="l00003"></a>00003 <span class="comment">// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).</span> |
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11 <a name="l00004"></a>00004 <span class="comment">// All rights reserved.</span> |
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12 <a name="l00005"></a>00005 <span class="comment">// This component and the accompanying materials are made available</span> |
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13 <a name="l00006"></a>00006 <span class="comment">// under the terms of "Eclipse Public License v1.0"</span> |
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14 <a name="l00007"></a>00007 <span class="comment">// which accompanies this distribution, and is available</span> |
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15 <a name="l00008"></a>00008 <span class="comment">// at the URL "http://www.eclipse.org/legal/epl-v10.html".</span> |
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16 <a name="l00009"></a>00009 <span class="comment">//</span> |
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17 <a name="l00010"></a>00010 <span class="comment">// Initial Contributors:</span> |
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18 <a name="l00011"></a>00011 <span class="comment">// Nokia Corporation - initial contribution.</span> |
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19 <a name="l00012"></a>00012 <span class="comment">//</span> |
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20 <a name="l00013"></a>00013 <span class="comment">// Contributors:</span> |
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21 <a name="l00014"></a>00014 <span class="comment">//</span> |
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22 <a name="l00015"></a>00015 <span class="comment">// Description:</span> |
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23 <a name="l00016"></a>00016 <span class="comment">//</span> |
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24 <a name="l00017"></a>00017 |
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25 <a name="l00018"></a>00018 |
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26 <a name="l00019"></a>00019 <span class="preprocessor">#include <stdio.h></span> |
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27 <a name="l00020"></a>00020 <span class="preprocessor">#include <fcntl.h></span> |
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28 <a name="l00021"></a>00021 <span class="preprocessor">#include <unistd.h></span> |
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29 <a name="l00022"></a>00022 <span class="preprocessor">#include <stdlib.h></span> |
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30 <a name="l00023"></a>00023 <span class="preprocessor">#include <errno.h></span> |
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31 <a name="l00024"></a>00024 |
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32 <a name="l00029"></a>00029 <span class="keywordtype">char</span> PressKey() |
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33 <a name="l00030"></a>00030 { |
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34 <a name="l00031"></a>00031 <span class="keywordtype">char</span> ch; |
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35 <a name="l00032"></a>00032 fflush(stdout); |
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36 <a name="l00033"></a>00033 ch=getchar(); |
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37 <a name="l00034"></a>00034 <span class="keywordflow">return</span> ch; |
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38 <a name="l00035"></a>00035 } |
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39 <a name="l00036"></a>00036 |
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40 <a name="l00042"></a>00042 <span class="keywordtype">int</span> Error(<span class="keywordtype">char</span> msg[]) |
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41 <a name="l00043"></a>00043 { |
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42 <a name="l00044"></a>00044 printf(<span class="stringliteral">"%s [Error NUMBER = %d]\n"</span>,msg,errno); |
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43 <a name="l00045"></a>00045 PressKey(); |
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44 <a name="l00046"></a>00046 <span class="keywordflow">return</span> EXIT_FAILURE; |
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45 <a name="l00047"></a>00047 } |
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46 <a name="l00048"></a>00048 |
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47 <a name="l00049"></a>00049 <span class="keywordtype">int</span> main() |
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48 <a name="l00050"></a>00050 { |
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49 <a name="l00052"></a>00052 <span class="keywordtype">char</span> fifoFileName[] = <span class="stringliteral">"myfifofile"</span>; |
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50 <a name="l00055"></a>00055 <span class="keywordtype">int</span> fifoFd = open(fifoFileName,O_WRONLY); |
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51 <a name="l00057"></a>00057 <span class="keywordflow">if</span>(fifoFd == -1) |
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52 <a name="l00058"></a>00058 { |
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53 <a name="l00060"></a>00060 Error(<span class="stringliteral">"\n*** child failure FIFO Open ***\n"</span>); |
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54 <a name="l00061"></a>00061 <span class="keywordflow">return</span> EXIT_FAILURE; |
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55 <a name="l00062"></a>00062 } |
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56 <a name="l00063"></a>00063 <span class="keywordflow">else</span> |
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57 <a name="l00064"></a>00064 { |
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58 <a name="l00066"></a>00066 <span class="keywordtype">char</span> TxMsg[] = <span class="stringliteral">"Hello Parent [FIFO]\n"</span>; |
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59 <a name="l00068"></a>00068 write(fifoFd,TxMsg,<span class="keyword">sizeof</span>(TxMsg)); |
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60 <a name="l00070"></a>00070 (void)close(fifoFd); |
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61 <a name="l00071"></a>00071 } |
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62 <a name="l00072"></a>00072 <span class="keywordflow">return</span> EXIT_SUCCESS; |
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63 <a name="l00073"></a>00073 } |
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64 <a name="l00074"></a>00074 |
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65 </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 |
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66 <a href="http://www.doxygen.org/index.html"> |
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67 <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.3 </small></address> |
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