#ifndef _condition_var_h
#define _condition_var_h

#include <pthread.h>

class ConditionVariable {

public:
  // Constructors
  ConditionVariable();

  // For portability reasons, this constructor is
  // not being provided. Besides, there is really
  // not much you can customize here.
  // Custom constructor
  // ConditionVariable(pthread_condattr_t attribute);


  ~ConditionVariable();

  // These functions return 0 on success and -1 on 
  // failure
  int Wait(void);
  int Signal(void);

  
private:
  pthread_cond_t cond_var;

  // There is a mutex associated with a condition variable
  pthread_mutex_t mutex_var;

};

#endif