14e9a7f678
git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@38 331e1502-861f-0410-8da2-ba01fb791d7f
62 lines
1.5 KiB
C++
Executable file
62 lines
1.5 KiB
C++
Executable file
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
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// "comm.h"
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// (c) OPAC Team, LIFL, August 2005
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/* This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Contact: cahon@lifl.fr
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*/
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#ifndef __comm_h
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#define __comm_h
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#include <semaphore.h>
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typedef unsigned COMM_ID;
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class Communicable {
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public :
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Communicable ();
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virtual ~ Communicable ();
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COMM_ID getKey ();
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void lock (); /* It suspends the current process if the semaphore is locked */
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void unlock (); /* It unlocks the shared semaphore */
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void stop (); /* It suspends the current process */
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void resume (); /* It resumes ___________ */
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protected :
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COMM_ID key;
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sem_t sem_lock;
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sem_t sem_stop;
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static unsigned num_comm;
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};
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extern Communicable * getCommunicable (COMM_ID __key);
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//extern COMM_ID getKey (const Communicable * __comm);
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#endif
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