template<class obj_type>
tupel<obj_type>::tupel()
{
  pthread_mutex_init( &mut_tupel, NULL );
}

template<class obj_type>
tupel<obj_type>::tupel(obj_type t_obj)
{
  this->t_obj = t_obj;
  pthread_mutex_init( &mut_tupel, NULL );
}

template<class obj_type>
tupel<obj_type>::~tupel()
{
  pthread_mutex_destroy( &mut_tupel );
}

template<class obj_type>
obj_type
tupel<obj_type>::get_elem()
{
  pthread_mutex_lock( &mut_tupel );
  obj_type t_ret = t_obj;
  pthread_mutex_unlock( &mut_tupel );
  return t_ret;
}

template<class obj_type>
void
tupel<obj_type>::set_elem(obj_type t_obj)
{
  pthread_mutex_lock( &mut_tupel );
  this->t_obj = t_obj;
  pthread_mutex_unlock( &mut_tupel );
}