//
// OpenThread library, Copyright (C) 2002 - 2003  The Open Thread Group
//
// 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, or (at your option) any later version.
//
// 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
//
//
// Win32BarrierPrivateData.h - private data structure for barrier
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
#ifndef _Win32BARRIERPRIVATEDATA_H_
#define _Win32BARRIERPRIVATEDATA_H_

#ifndef _WINDOWS_
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#endif

#include <OpenThreads/Mutex>
#include <OpenThreads/Condition>

namespace OpenThreads {

class Barrier;

class Win32BarrierPrivateData {
    friend class Barrier;
private:
    Win32BarrierPrivateData() {};
    ~Win32BarrierPrivateData();

    Condition cond;            // cv for waiters at barrier

    Mutex    lock;            // mutex for waiters at barrier

    volatile int       maxcnt;          // number of threads to wait for

    volatile int       cnt;             // number of waiting threads

    volatile int       phase;           // flag to seperate two barriers


};







}







#endif //_Win32BARRIERPRIVATEDATA_H_