criticalsection.h

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/*
 *  Openmysee
 *
 *  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
 *
 */
#if defined (_MSC_VER) && (_MSC_VER >= 1020)
#pragma once
#endif

#ifndef _CRITICAL_SECTION_INCLUDED__
#define _CRITICAL_SECTION_INCLUDED__

class CriticalSection 
{
   public :
   
      class Owner
      {
         public:

            explicit Owner(
               CriticalSection &crit);

            ~Owner();
      
         private :

            CriticalSection &m_crit;

            // No copies do not implement
            Owner(const Owner &rhs);
            Owner &operator=(const Owner &rhs);
      };

      CriticalSection();
      
      ~CriticalSection();

#if(_WIN32_WINNT >= 0x0400)
      bool TryEnter();
#endif
      void Enter();

      void Leave();

   private :

      CRITICAL_SECTION m_crit;

      // No copies do not implement
      CriticalSection(const CriticalSection &rhs);
      CriticalSection &operator=(const CriticalSection &rhs);
};

#endif //_CRITICAL_SECTION_INCLUDED__