#ifndef _RCMON_
#define _RCMON_

#include <iostream>
#include <string>
#include <cstdlib>
#include <pthread.h>
using namespace std;

class RCMon {

 public:

  void Board (int id);
  void Unboard (int id);
  void BeginRide ();
  void EndRide ();
  RCMon ();
  ~RCMon ();

 private:

  pthread_mutex_t monlock;
  pthread_cond_t board, unboard, car;
  int nr = 0, nrw = 0;
};

#endif