atomiccount.h

Go to the documentation of this file.

/* This software and supporting documentation are distributed by
 *     Institut Federatif de Recherche 49
 *     CEA/NeuroSpin, Batiment 145,
 *     91191 Gif-sur-Yvette cedex
 *     France
 *
 * This software is governed by the CeCILL-B license under
 * French law and abiding by the rules of distribution of free software.
 * You can  use, modify and/or redistribute the software under the
 * terms of the CeCILL-B license as circulated by CEA, CNRS
 * and INRIA at the following URL "http://www.cecill.info".
 *
 * As a counterpart to the access to the source code and  rights to copy,
 * modify and redistribute granted by the license, users are provided only
 * with a limited warranty  and the software's author,  the holder of the
 * economic rights,  and the successive licensors  have only  limited
 * liability.
 *
 * In this respect, the user's attention is drawn to the risks associated
 * with loading,  using,  modifying and/or developing or reproducing the
 * software by the user in light of its specific status of free software,
 * that may mean  that it is complicated to manipulate,  and  that  also
 * therefore means  that it is reserved for developers  and  experienced
 * professionals having in-depth computer knowledge. Users are therefore
 * encouraged to load and test the software's suitability as regards their
 * requirements in conditions enabling the security of their systems and/or
 * data to be ensured and,  more generally, to use and operate it in the
 * same conditions as regards security.
 *
 * The fact that you are presently reading this means that you have had
 * knowledge of the CeCILL-B license and that you accept its terms.
 */
 
 
#ifndef CARTOBASE_ZOOLIB_ATOMICCOUNT_H
#define CARTOBASE_ZOOLIB_ATOMICCOUNT_H
 
#include "zconfigtest.h"
#if defined( ZCONFIG_Compiler ) && defined( ZCONFIG_OS ) \
  && defined( ZCONFIG_Processor )
#include "ZAtomic.h"
 
namespace boost
{
  namespace detail
  {

    class atomic_count
    {
    public:
 
      explicit atomic_count(long v)
      {
        ZAtomic_Set( &value_, v );
      }
 
      void operator++()
      {
        ZAtomic_Inc( &value_ );
      }
 
      long operator--()
      {
        return !ZAtomic_DecAndTest( &value_ );
      }
 
      operator long() const
      {
        return ZAtomic_Get( &value_ );
      }
 
      atomic_count & operator=(long v)
      {
        ZAtomic_Set( &value_, v );
      }
 
    private:
 
      atomic_count(atomic_count const &);
      atomic_count & operator=(atomic_count const &);
 
      mutable ZAtomic_t value_;
    };
 
  }
}
 
#define CARTO_RCPTR_USE_ZOOLIB
 
#endif
#endif