- <refsect1>
- <title>History</title>
-
- <para>The watchdog functionality and the
- <varname>$WATCHDOG_USEC</varname> variable were added in
- elogind-41.</para>
-
- <para><function>sd_watchdog_enabled()</function> function was
- added in elogind-209. Since that version the
- <varname>$WATCHDOG_PID</varname> variable is also set.</para>
- </refsect1>
-