//
//  csemaphore.h
//  xlxd
//
//  Created by Jean-Luc Deltombe (LX3JL) on 16/04/2017.
//  Copyright © 2015 Jean-Luc Deltombe (LX3JL). All rights reserved.
//
// ----------------------------------------------------------------------------
//    This file is part of xlxd.
//
//    xlxd 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 3 of the License, or
//    (at your option) any later version.
//
//    xlxd 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 Foobar.  If not, see <http://www.gnu.org/licenses/>.
// ----------------------------------------------------------------------------

#ifndef csemaphore_h
#define csemaphore_h


////////////////////////////////////////////////////////////////////////////////////////
// class

class CSemaphore
{
public:
    // constructor
    CSemaphore();
    
    // destructor
    virtual ~CSemaphore() {};
    
    // operation
    void Reset(void);
    void Notify(void);
    void Wait(void);
    bool WaitFor(uint);
    void PreWaitFor(void);
    
protected:
    // data
    std::mutex              m_Mutex;
    std::condition_variable m_Condition;
    size_t                  m_Count;
    size_t                  m_WaitingCount;

};

////////////////////////////////////////////////////////////////////////////////////////
#endif /* csemaphore_h */
