code: func (h *healthcheckManager) run() {
  	for {
  		select {
  		case <-h.quit:
  			h.unmarkAllBackends()
  			h.stopped <- true
  		case vc := <-h.vcc:
  			h.update(vc.vserverName, vc.checks)
  		}
  	}
  }
docs: // run runs the healthcheck manager and processes incoming vserver checks.