+ <varlistentry>
+ <term><varname>WatchdogSec=</varname></term>
+ <listitem><para>Configures the watchdog
+ timeout for a service. This is activated
+ when the start-up is completed. The service
+ must call
+ <citerefentry><refentrytitle>sd_notify</refentrytitle><manvolnum>3</manvolnum></citerefentry>
+ regularly with "WATCHDOG=1". If the time
+ between two such calls is larger than
+ the configured time then the service
+ enters a failure state. By setting
+ <term><varname>Restart=</varname></term>
+ to <option>on-failure</option> or
+ <option>always</option> the service can
+ be restarted. Defaults to 0s, which
+ disables this feature.</para></listitem>
+ </varlistentry>
+