Thread.h

Go to the documentation of this file.

/***************************************************************************
 *   Copyright (C) 2007 by Pierre Schmitt, Ludovic Giacomello, Nhi Ly   *
 *      *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program 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 General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/


#ifndef THREAD_H
#define THREAD_H

#include<string>
#include<iostream>

#include<unistd.h>
#include<pthread.h>

using namespace std;

class Thread {
public:
        Thread() { mExecution=false; }

        Thread( const Thread &t ){
                mExecution=t.mExecution;
                mThread=t.mThread;
        }
        virtual ~Thread(){
                if(mExecution) pthread_detach( mThread );
        }

        void Demarrer(){
                if(!mExecution){
                        int v=pthread_create(&mThread,0,Filament,this);
                        if(v!=0 ) cerr<<endl<<"Erreur avec pthread_create()!"<<endl;
                }
        }

        void Arreter(){
                if(mExecution){
                        pthread_cancel(mThread);
                        mExecution=false;
                }
        }

        void AttendreFin(){
                if(mExecution) {
                        if(pthread_join(mThread,NULL)!=0 ) cerr<<endl<<"Erreur avec pthread_join()!"<<endl;
                        mExecution = false;
                }
        }

        virtual void* Traitement()=0;
private:                
        static void *Filament(void *pthis){
                try{                    
                        Thread *parent = (Thread*)pthis;
                        parent->mExecution=true;
                        parent->Traitement();
                }
                catch(...){ cerr<<"Filament est partie en sucette!!!"<<endl; }
                pthread_exit(0);
        }

        bool mExecution;

        pthread_t mThread;
};

#endif

---