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/******************************************************************************
 *       __    _    _   _       _       _   _____                             *
 *       | \  / |  | | | |     | |     | |  | ___|                            *
 *       |  \/  |  | | | |     | |     | |  | |_                              *
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 *       | |\/| |  | | | |__   | |__   | |  | |__                             *
 *       |_|  |_|  |_| |____|  |____|  |_|  |____|                            *
 * __________________________________________________________________________ *
 *                 Multifunctional Library For Image Processing               *
 *                                                                            *
 *                                                                            *
 *                                                                            *
 *      (c) Copyright 2007 by Humbert Florent                                 *
 *                                                                            *
 *      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; only version 2 of the License.          *
 *                                                                            *
 *      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 _MILLIETHREADGROUP_HPP_
#define _MILLIETHREADGROUP_HPP_

#include <vector>
#include <iostream>

#include "GThread.hpp"
#include "Mutex.hpp"


namespace Millie
{
  class ThreadGroup
  {
    private:
      void init();
      bool _isRunning;
      bool _isStarted;

      std::string _name;
      std::vector<GThread*> _vectThread;
      std::vector<bool> _vectWaiting;

      pthread_mutex_t _mutexWaitAll;
      pthread_cond_t _waitSynchro;

      unsigned int _nbwaitingthread;

      Mutex _synchronizedWaitingThread;
      Mutex _synchronizedIsRunning;
      Mutex _synchronizedRun;
      Mutex _synchronizedIsStarted;
      Mutex _synchronizedNbThread;
      Mutex _synchronizedWaitAllNotify;

      int getNbWaitingThread();


    protected:

      bool threadWaitAll(GThread * t, pthread_mutex_t ** mutex, pthread_cond_t ** wait);

    public:

      ThreadGroup();

      ThreadGroup(const std::string & name);

      bool isRunning();

      bool isStarted();

      const std::string & getName() const;

      void setName(const std::string & name);

      void joinAll();

      unsigned int getNbGThread();

      GThread & operator[](unsigned int pos);

      int getNbWaitingGThread();

      void notifyAll();

      void startAll();

      void add(GThread * thread)
      ;

      virtual ~ThreadGroup();

      friend class GThread;
  };

}

#endif

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