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<h1>communicable.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-</span>
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<a name="l00002"></a>00002
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<a name="l00003"></a>00003 <span class="comment">// "communicable.h"</span>
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<a name="l00004"></a>00004
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<a name="l00005"></a>00005 <span class="comment">// (c) OPAC Team, LIFL, August 2005</span>
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<a name="l00006"></a>00006
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<a name="l00007"></a>00007 <span class="comment">/* This library is free software; you can redistribute it and/or</span>
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<a name="l00008"></a>00008 <span class="comment"> modify it under the terms of the GNU Lesser General Public</span>
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<a name="l00009"></a>00009 <span class="comment"> License as published by the Free Software Foundation; either</span>
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<a name="l00010"></a>00010 <span class="comment"> version 2 of the License, or (at your option) any later version.</span>
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<a name="l00011"></a>00011 <span class="comment"> </span>
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<a name="l00012"></a>00012 <span class="comment"> This library is distributed in the hope that it will be useful,</span>
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<a name="l00013"></a>00013 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
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<a name="l00014"></a>00014 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
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<a name="l00015"></a>00015 <span class="comment"> Lesser General Public License for more details.</span>
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<a name="l00016"></a>00016 <span class="comment"> </span>
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<a name="l00017"></a>00017 <span class="comment"> You should have received a copy of the GNU Lesser General Public</span>
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<a name="l00018"></a>00018 <span class="comment"> License along with this library; if not, write to the Free Software</span>
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<a name="l00019"></a>00019 <span class="comment"> Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span>
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<a name="l00020"></a>00020 <span class="comment"> </span>
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<a name="l00021"></a>00021 <span class="comment"> Contact: paradiseo-help@lists.gforge.inria.fr</span>
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<a name="l00022"></a>00022 <span class="comment">*/</span>
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<a name="l00023"></a>00023
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<a name="l00024"></a>00024 <span class="preprocessor">#ifndef __communicable_h</span>
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<a name="l00025"></a>00025 <span class="preprocessor"></span><span class="preprocessor">#define __communicable_h</span>
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<a name="l00026"></a>00026 <span class="preprocessor"></span>
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<a name="l00027"></a>00027 <span class="preprocessor">#include <semaphore.h></span>
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<a name="l00028"></a>00028
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<a name="l00029"></a>00029 <span class="keyword">typedef</span> <span class="keywordtype">unsigned</span> COMM_ID;
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<a name="l00030"></a>00030
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<a name="l00031"></a><a class="code" href="classCommunicable.html">00031</a> <span class="keyword">class </span><a class="code" href="classCommunicable.html">Communicable</a> {
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<a name="l00032"></a>00032
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<a name="l00033"></a>00033 <span class="keyword">public</span> :
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<a name="l00034"></a>00034
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<a name="l00035"></a>00035 <a class="code" href="classCommunicable.html#8ae1827ecf7569b3db1ed386c7d8ad78">Communicable</a> ();
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<a name="l00036"></a>00036
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<a name="l00037"></a>00037 <span class="keyword">virtual</span> <a class="code" href="classCommunicable.html#2280b0dfa0d3a515fccf62c2a9fd5f41">~ Communicable</a> ();
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<a name="l00038"></a>00038
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<a name="l00039"></a>00039 COMM_ID <a class="code" href="classCommunicable.html#db4307b69b9ccacff55fdbf84b8f50e4">getKey</a> ();
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<a name="l00040"></a>00040
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<a name="l00041"></a>00041 <span class="keywordtype">void</span> <a class="code" href="classCommunicable.html#e1f8bd1ee810fd73d44315c95998d19d">lock</a> (); <span class="comment">/* It suspends the current process if the semaphore is locked */</span>
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<a name="l00042"></a>00042 <span class="keywordtype">void</span> <a class="code" href="classCommunicable.html#caa814847192e71f434fbf9479ede862">unlock</a> (); <span class="comment">/* It unlocks the shared semaphore */</span>
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<a name="l00043"></a>00043
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<a name="l00044"></a>00044 <span class="keywordtype">void</span> <a class="code" href="classCommunicable.html#cb53e6534b947bc889aa181d9dbbd13b">stop</a> (); <span class="comment">/* It suspends the current process */</span>
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<a name="l00045"></a>00045 <span class="keywordtype">void</span> <a class="code" href="classCommunicable.html#3306a9adb11a0ab5af342c0db9f7bb2a">resume</a> (); <span class="comment">/* It resumes ___________ */</span>
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<a name="l00046"></a>00046
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<a name="l00047"></a>00047 <span class="keyword">protected</span> :
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<a name="l00048"></a>00048
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<a name="l00049"></a><a class="code" href="classCommunicable.html#605b0efeffe81326f216c9903f5bbf4c">00049</a> COMM_ID <a class="code" href="classCommunicable.html#605b0efeffe81326f216c9903f5bbf4c">key</a>;
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<a name="l00050"></a>00050
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<a name="l00051"></a><a class="code" href="classCommunicable.html#cf9639312f71a2f348bc1e7789ccbd9d">00051</a> sem_t <a class="code" href="classCommunicable.html#cf9639312f71a2f348bc1e7789ccbd9d">sem_lock</a>;
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<a name="l00052"></a>00052
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<a name="l00053"></a><a class="code" href="classCommunicable.html#29c53b9191348e0505e3bcba6d8b82b1">00053</a> sem_t <a class="code" href="classCommunicable.html#29c53b9191348e0505e3bcba6d8b82b1">sem_stop</a>;
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<a name="l00054"></a>00054
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<a name="l00055"></a><a class="code" href="classCommunicable.html#7a6acfdc781a67c9c0ec4f17893f86c3">00055</a> <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <a class="code" href="classCommunicable.html#7a6acfdc781a67c9c0ec4f17893f86c3">num_comm</a>;
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<a name="l00056"></a>00056 };
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<a name="l00057"></a>00057
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<a name="l00058"></a>00058 <span class="keyword">extern</span> <a class="code" href="classCommunicable.html">Communicable</a> * getCommunicable (COMM_ID __key);
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<a name="l00059"></a>00059
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<a name="l00060"></a>00060 <span class="comment">//extern COMM_ID getKey (const Communicable * __comm);</span>
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<a name="l00061"></a>00061
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<a name="l00062"></a>00062 <span class="preprocessor">#endif</span>
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</pre></div><hr size="1"><address style="align: right;"><small>Generated on Sat Dec 30 14:55:29 2006 for ParadisEO-PEO by
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<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.7 </small></address>
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