runner.h

00001 /* 
00002 * <runner.h>
00003 * Copyright (C) DOLPHIN Project-Team, INRIA Futurs, 2006-2007
00004 * (C) OPAC Team, LIFL, 2002-2007
00005 *
00006 * Sebastien Cahon, Alexandru-Adrian Tantar
00007 *
00008 * This software is governed by the CeCILL license under French law and
00009 * abiding by the rules of distribution of free software.  You can  use,
00010 * modify and/ or redistribute the software under the terms of the CeCILL
00011 * license as circulated by CEA, CNRS and INRIA at the following URL
00012 * "http://www.cecill.info".
00013 *
00014 * As a counterpart to the access to the source code and  rights to copy,
00015 * modify and redistribute granted by the license, users are provided only
00016 * with a limited warranty  and the software's author,  the holder of the
00017 * economic rights,  and the successive licensors  have only  limited liability.
00018 *
00019 * In this respect, the user's attention is drawn to the risks associated
00020 * with loading,  using,  modifying and/or developing or reproducing the
00021 * software by the user in light of its specific status of free software,
00022 * that may mean  that it is complicated to manipulate,  and  that  also
00023 * therefore means  that it is reserved for developers  and  experienced
00024 * professionals having in-depth computer knowledge. Users are therefore
00025 * encouraged to load and test the software's suitability as regards their
00026 * requirements in conditions enabling the security of their systems and/or
00027 * data to be ensured and,  more generally, to use and operate it in the
00028 * same conditions as regards security.
00029 * The fact that you are presently reading this means that you have had
00030 * knowledge of the CeCILL license and that you accept its terms.
00031 *
00032 * ParadisEO WebSite : http://paradiseo.gforge.inria.fr
00033 * Contact: paradiseo-help@lists.gforge.inria.fr
00034 *
00035 */
00036 
00037 #ifndef __runner_h
00038 #define __runner_h
00039 
00040 #include <eoFunctor.h>
00041 
00042 #include "communicable.h"
00043 #include "thread.h"
00044 
00045 typedef unsigned RUNNER_ID;
00046 
00047 class Runner : public Communicable, public Thread {
00048 
00049 public :
00050 
00051   Runner ();
00052 
00053   void start ();
00054 
00055   void waitStarting ();
00056 
00057   bool isLocal ();
00058 
00059   void terminate ();
00060 
00061   virtual void run () = 0;
00062   
00063   RUNNER_ID getID (); 
00064 
00065   void packTermination ();
00066 
00067   void notifySendingTermination ();
00068 
00069 private :
00070 
00071   sem_t sem_start;
00072 
00073   unsigned id;
00074 };
00075 
00076 extern bool atLeastOneActiveRunner ();
00077 
00078 extern void unpackTerminationOfRunner ();
00079 
00080 extern Runner * getRunner (RUNNER_ID __key); 
00081 
00082 extern void startRunners ();
00083 
00084 extern void joinRunners ();
00085 
00086 #endif

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