b74a446baa
git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@906 331e1502-861f-0410-8da2-ba01fb791d7f
111 lines
2.8 KiB
C++
111 lines
2.8 KiB
C++
/*
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* <communicable.cpp>
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* Copyright (C) DOLPHIN Project-Team, INRIA Futurs, 2006-2007
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* (C) OPAC Team, LIFL, 2002-2007
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*
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* Sebastien Cahon, Alexandru-Adrian Tantar
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*
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* This software is governed by the CeCILL license under French law and
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* abiding by the rules of distribution of free software. You can use,
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* modify and/ or redistribute the software under the terms of the CeCILL
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* license as circulated by CEA, CNRS and INRIA at the following URL
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* "http://www.cecill.info".
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*
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* As a counterpart to the access to the source code and rights to copy,
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* modify and redistribute granted by the license, users are provided only
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* with a limited warranty and the software's author, the holder of the
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* economic rights, and the successive licensors have only limited liability.
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*
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* In this respect, the user's attention is drawn to the risks associated
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* with loading, using, modifying and/or developing or reproducing the
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* software by the user in light of its specific status of free software,
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* that may mean that it is complicated to manipulate, and that also
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* therefore means that it is reserved for developers and experienced
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* professionals having in-depth computer knowledge. Users are therefore
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* encouraged to load and test the software's suitability as regards their
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* requirements in conditions enabling the security of their systems and/or
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* data to be ensured and, more generally, to use and operate it in the
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* same conditions as regards security.
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* The fact that you are presently reading this means that you have had
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* knowledge of the CeCILL license and that you accept its terms.
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*
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* ParadisEO WebSite : http://paradiseo.gforge.inria.fr
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* Contact: paradiseo-help@lists.gforge.inria.fr
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*
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*/
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#include <vector>
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#include <map>
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#include <cassert>
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#include "communicable.h"
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static std :: vector <Communicable *> key_to_comm (1); /* Vector of registered cooperators */
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static std :: map <const Communicable *, unsigned> comm_to_key; /* Map of registered cooperators */
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unsigned Communicable :: num_comm = 0;
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Communicable :: Communicable ()
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{
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comm_to_key [this] = key = ++ num_comm;
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key_to_comm.push_back (this);
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sem_init (& sem_lock, 0, 1);
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sem_init (& sem_stop, 0, 0);
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}
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Communicable :: ~ Communicable ()
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{
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}
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COMM_ID Communicable :: getKey ()
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{
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return key;
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}
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Communicable * getCommunicable (COMM_ID __key)
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{
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assert (__key < key_to_comm.size ());
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return key_to_comm [__key];
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}
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COMM_ID getKey (const Communicable * __comm)
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{
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return comm_to_key [__comm];
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}
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void Communicable :: lock ()
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{
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sem_wait (& sem_lock);
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}
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void Communicable :: unlock ()
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{
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sem_post (& sem_lock);
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}
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void Communicable :: stop ()
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{
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sem_wait (& sem_stop);
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}
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void Communicable :: resume ()
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{
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sem_post (& sem_stop);
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}
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void initCommunicableEnv ()
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{
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key_to_comm.resize (1);
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comm_to_key.clear ();
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Communicable :: num_comm = 0;
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}
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