check process tor with pidfile /var/lib/tor/tor.pid
  start program = "/usr/bin/tor"
  stop program = "/bin/sh -c 'cat /var/lib/tor/tor.pid | xargs -r kill'"

check process hidden_services with pidfile /run/hidden_services.pid
  start program = "/usr/local/bin/hidden_servicesd start"
  stop program = "/usr/local/bin/hidden_servicesd stop"