#ifndef _countsem_h
#define _countsem_h

#include <pthread.h>

// This is a counting semaphore implementation
// Caution: This should only be used
// by threads

class CountingSemaphore
{
public:
  CountingSemaphore(int ini_value=0);
  ~CountingSemaphore();

  void P(void);
  void V(void);
  void SetVal(int num);

private:
  int count;
  pthread_cond_t  c;
  pthread_mutex_t c_m;
  pthread_mutex_t m;

};


#endif