//  Copyright (C) 2007-2010  CEA/DEN, EDF R&D, OPEN CASCADE
//
//  Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
//  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
//
//  This library is free software; you can redistribute it and/or
//  modify it under the terms of the GNU Lesser General Public
//  License as published by the Free Software Foundation; either
//  version 2.1 of the License.
//
//  This library 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
//  Lesser General Public License for more details.
//
//  You should have received a copy of the GNU Lesser General Public
//  License along with this library; if not, write to the Free Software
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
//
//  See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//

//  SALOME Utils : general SALOME's definitions and tools
//  File:       Utils_Mutex.hxx
//  Author:     Sergey ANIKIN
//  Module :    SALOME
//  $Header: /home/server/cvs/KERNEL/KERNEL_SRC/src/Utils/Utils_Mutex.hxx,v 1.5.2.1.12.1 2010-04-19 13:21:25 vsr Exp $
//
#ifndef Utils_Mutex_HeaderFile
#define Utils_Mutex_HeaderFile

#include "SALOME_Utils.hxx"

#include <pthread.h>

class UTILS_EXPORT Utils_Mutex
{
public:
  Utils_Mutex();
  ~Utils_Mutex();

  void lock();
  void unlock();
    
private:
  pthread_mutex_t myMutex;
  pthread_mutex_t myHelperMutex;
  pthread_t       myThread;
  int             myCount;
};

class UTILS_EXPORT Utils_Locker
{
public:
  Utils_Locker( Utils_Mutex* );
  virtual ~Utils_Locker();

private:
  Utils_Mutex* myMutex;
};

#endif
