func: bool timer_pending(QEMUTimer *ts)
  
  {
  
      QEMUTimer *t;
  
      for (t = ts->timer_list->active_timers; t != NULL; t = t->next) {
  
          if (t == ts) {
  
              return true;
  
          }
  
      }
  
      return false;
  
  }
  