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<h1>communicable.cpp</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">// "comm.cpp"</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">#include <vector></span>
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<a name="l00025"></a>00025 <span class="preprocessor">#include <map></span>
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<a name="l00026"></a>00026 <span class="preprocessor">#include <cassert></span>
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<a name="l00027"></a>00027
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<a name="l00028"></a>00028 <span class="preprocessor">#include "communicable.h"</span>
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<a name="l00029"></a>00029
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<a name="l00030"></a>00030 <span class="keyword">static</span> std :: vector <Communicable *> key_to_comm (1); <span class="comment">/* Vector of registered cooperators */</span>
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<a name="l00031"></a>00031
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<a name="l00032"></a>00032 <span class="keyword">static</span> std :: map <const Communicable *, unsigned> comm_to_key; <span class="comment">/* Map of registered cooperators */</span>
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<a name="l00033"></a>00033
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<a name="l00034"></a>00034 <span class="keywordtype">unsigned</span> <a class="code" href="classCommunicable.html#7a6acfdc781a67c9c0ec4f17893f86c3">Communicable :: num_comm</a> = 0;
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<a name="l00035"></a>00035
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<a name="l00036"></a><a class="code" href="classCommunicable.html#8ae1827ecf7569b3db1ed386c7d8ad78">00036</a> <a class="code" href="classCommunicable.html#8ae1827ecf7569b3db1ed386c7d8ad78">Communicable :: Communicable</a> () {
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<a name="l00037"></a>00037
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<a name="l00038"></a>00038 comm_to_key [<span class="keyword">this</span>] = <a class="code" href="classCommunicable.html#605b0efeffe81326f216c9903f5bbf4c">key</a> = ++ <a class="code" href="classCommunicable.html#7a6acfdc781a67c9c0ec4f17893f86c3">num_comm</a>;
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<a name="l00039"></a>00039 key_to_comm.push_back (<span class="keyword">this</span>);
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<a name="l00040"></a>00040 sem_init (& <a class="code" href="classCommunicable.html#cf9639312f71a2f348bc1e7789ccbd9d">sem_lock</a>, 0, 1);
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<a name="l00041"></a>00041 sem_init (& <a class="code" href="classCommunicable.html#29c53b9191348e0505e3bcba6d8b82b1">sem_stop</a>, 0, 0);
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<a name="l00042"></a>00042 }
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<a name="l00043"></a>00043
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<a name="l00044"></a><a class="code" href="classCommunicable.html#2280b0dfa0d3a515fccf62c2a9fd5f41">00044</a> <a class="code" href="classCommunicable.html#2280b0dfa0d3a515fccf62c2a9fd5f41">Communicable :: ~ Communicable</a> () {
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<a name="l00045"></a>00045
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<a name="l00046"></a>00046 }
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<a name="l00047"></a>00047
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<a name="l00048"></a><a class="code" href="classCommunicable.html#db4307b69b9ccacff55fdbf84b8f50e4">00048</a> COMM_ID <a class="code" href="classCommunicable.html#db4307b69b9ccacff55fdbf84b8f50e4">Communicable :: getKey</a> () {
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<a name="l00049"></a>00049
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<a name="l00050"></a>00050 <span class="keywordflow">return</span> <a class="code" href="classCommunicable.html#605b0efeffe81326f216c9903f5bbf4c">key</a>;
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<a name="l00051"></a>00051 }
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<a name="l00052"></a>00052
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<a name="l00053"></a>00053 <a class="code" href="classCommunicable.html">Communicable</a> * getCommunicable (COMM_ID __key) {
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<a name="l00054"></a>00054
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<a name="l00055"></a>00055 assert (__key < key_to_comm.size ());
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<a name="l00056"></a>00056 <span class="keywordflow">return</span> key_to_comm [__key];
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<a name="l00057"></a>00057 }
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<a name="l00058"></a>00058
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<a name="l00059"></a>00059 COMM_ID getKey (<span class="keyword">const</span> <a class="code" href="classCommunicable.html">Communicable</a> * __comm) {
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<a name="l00060"></a>00060
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<a name="l00061"></a>00061 <span class="keywordflow">return</span> comm_to_key [__comm];
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<a name="l00062"></a>00062 }
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<a name="l00063"></a>00063
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<a name="l00064"></a><a class="code" href="classCommunicable.html#e1f8bd1ee810fd73d44315c95998d19d">00064</a> <span class="keywordtype">void</span> <a class="code" href="classCommunicable.html#e1f8bd1ee810fd73d44315c95998d19d">Communicable :: lock</a> () {
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<a name="l00065"></a>00065
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<a name="l00066"></a>00066 sem_wait (& <a class="code" href="classCommunicable.html#cf9639312f71a2f348bc1e7789ccbd9d">sem_lock</a>);
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<a name="l00067"></a>00067 }
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<a name="l00068"></a>00068
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<a name="l00069"></a><a class="code" href="classCommunicable.html#caa814847192e71f434fbf9479ede862">00069</a> <span class="keywordtype">void</span> <a class="code" href="classCommunicable.html#caa814847192e71f434fbf9479ede862">Communicable :: unlock</a> () {
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<a name="l00070"></a>00070
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<a name="l00071"></a>00071 sem_post (& <a class="code" href="classCommunicable.html#cf9639312f71a2f348bc1e7789ccbd9d">sem_lock</a>);
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<a name="l00072"></a>00072 }
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<a name="l00073"></a>00073
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<a name="l00074"></a><a class="code" href="classCommunicable.html#cb53e6534b947bc889aa181d9dbbd13b">00074</a> <span class="keywordtype">void</span> <a class="code" href="classCommunicable.html#cb53e6534b947bc889aa181d9dbbd13b">Communicable :: stop</a> () {
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<a name="l00075"></a>00075
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<a name="l00076"></a>00076 sem_wait (& <a class="code" href="classCommunicable.html#29c53b9191348e0505e3bcba6d8b82b1">sem_stop</a>);
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<a name="l00077"></a>00077 }
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<a name="l00078"></a>00078
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<a name="l00079"></a><a class="code" href="classCommunicable.html#3306a9adb11a0ab5af342c0db9f7bb2a">00079</a> <span class="keywordtype">void</span> <a class="code" href="classCommunicable.html#3306a9adb11a0ab5af342c0db9f7bb2a">Communicable :: resume</a> () {
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<a name="l00080"></a>00080
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<a name="l00081"></a>00081 sem_post (& <a class="code" href="classCommunicable.html#29c53b9191348e0505e3bcba6d8b82b1">sem_stop</a>);
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<a name="l00082"></a>00082 }
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<a name="l00083"></a>00083
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<a name="l00084"></a>00084
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<a name="l00085"></a>00085
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</pre></div><hr size="1"><address style="align: right;"><small>Generated on Sun Jan 7 18:35:23 2007 for ParadisEO-PEO by
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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> 1.4.7 </small></address>
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