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git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@89 331e1502-861f-0410-8da2-ba01fb791d7f

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legrand 2006-12-20 10:50:21 +00:00
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trunk/paradiseo-peo/src/rmc/mpi/comm.cpp
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// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "comm.cpp"
// (c) OPAC Team, LIFL, August 2005
/* This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: cahon@lifl.fr
*/
#include <mpi.h>
#include "comm.h"
#include "mess.h"
#include "node.h"
#include "param.h"
#include "../../peo_debug.h"
#include "../../runner.h"
#include "send.h"
#include "recv.h"
#include "scheduler.h"
static sem_t sem_comm_init;
static Communicator * the_thread;
Communicator :: Communicator (int * __argc, char * * * __argv) {
the_thread = this;
initNode (__argc, __argv);
loadRMCParameters (* __argc, * __argv);
sem_post (& sem_comm_init);
}
void Communicator :: start () {
while (true) {
/* Zzz Zzz Zzz :-))) */
sleep ();
sendMessages ();
if (! atLeastOneActiveRunner ())
break;
receiveMessages ();
}
waitBuffers ();
printDebugMessage ("finalizing");
MPI_Finalize ();
}
void initCommunication () {
sem_init (& sem_comm_init, 0, 0);
}
void waitNodeInitialization () {
sem_wait (& sem_comm_init);
}
void wakeUpCommunicator () {
the_thread -> wakeUp ();
}