MultiThreader.h

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/********************************************************************
**                Image Component Library (ICL)                    **
**                                                                 **
** Copyright (C) 2006-2013 CITEC, University of Bielefeld          **
**                         Neuroinformatics Group                  **
** Website: www.iclcv.org and                                      **
**          http://opensource.cit-ec.de/projects/icl               **
**                                                                 **
** File   : ICLUtils/src/ICLUtils/MultiThreader.h                  **
** Module : ICLUtils                                               **
** Authors: Christof Elbrechter                                    **
**                                                                 **
**                                                                 **
** GNU LESSER GENERAL PUBLIC LICENSE                               **
** This file may be used under the terms of the GNU Lesser General **
** Public License version 3.0 as published by the                  **
**                                                                 **
** Free Software Foundation and appearing in the file LICENSE.LGPL **
** included in the packaging of this file.  Please review the      **
** following information to ensure the license requirements will   **
** be met: http://www.gnu.org/licenses/lgpl-3.0.txt                **
**                                                                 **
** The development of this software was supported by the           **
** Excellence Cluster EXC 277 Cognitive Interaction Technology.    **
** The Excellence Cluster EXC 277 is a grant of the Deutsche       **
** Forschungsgemeinschaft (DFG) in the context of the German       **
** Excellence Initiative.                                          **
**                                                                 **
********************************************************************/

#pragma once

#include <ICLUtils/CompatMacros.h>
#include <ICLUtils/Semaphore.h>
#include <ICLUtils/Mutex.h>
#include <ICLUtils/ShallowCopyable.h>
#include <vector>

namespace icl{
  namespace utils{

    class ICLUtils_API MultiThreaderImpl;
    class ICLUtils_API MultiThreaderImplDelOp{
      public: static void delete_func(MultiThreaderImpl *impl);
    };

    class ICLUtils_API MultiThreader : public ShallowCopyable<MultiThreaderImpl,MultiThreaderImplDelOp>{
      public:

      class Work{
        public:
        virtual ~Work(){}
        virtual void perform()=0;
      };

      class MTWorkThread;
      typedef std::vector<Work*> WorkSet;

      MultiThreader();

      MultiThreader(int nThreads);

      void operator()(WorkSet &ws);

      int getNumThreads() const;
    };
  } // namespace utils
}