00001 /* 00002 * <comm.cpp> 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 00038 #include <mpi.h> 00039 00040 #include "comm.h" 00041 #include "mess.h" 00042 #include "node.h" 00043 #include "param.h" 00044 #include "../../core/peo_debug.h" 00045 #include "../../core/runner.h" 00046 #include "send.h" 00047 #include "recv.h" 00048 #include "scheduler.h" 00049 00050 static sem_t sem_comm_init; 00051 00052 static Communicator * the_thread; 00053 00054 Communicator :: Communicator (int * __argc, char * * * __argv) { 00055 00056 the_thread = this; 00057 initNode (__argc, __argv); 00058 loadRMCParameters (* __argc, * __argv); 00059 sem_post (& sem_comm_init); 00060 } 00061 00062 void Communicator :: start () { 00063 00064 while (true) { 00065 00066 /* Zzz Zzz Zzz :-))) */ 00067 sleep (); 00068 sendMessages (); 00069 00070 if (! atLeastOneActiveRunner ()) 00071 break; 00072 receiveMessages (); 00073 } 00074 waitBuffers (); 00075 printDebugMessage ("finalizing"); 00076 MPI_Finalize (); 00077 } 00078 00079 void initCommunication () { 00080 00081 sem_init (& sem_comm_init, 0, 0); 00082 } 00083 00084 void waitNodeInitialization () { 00085 00086 sem_wait (& sem_comm_init); 00087 } 00088 00089 void wakeUpCommunicator () { 00090 00091 the_thread -> wakeUp (); 00092 } 00093 00094 00095