<varname>$WATCHDOG_PID</varname> and
<varname>$WATCHDOG_USEC</varname> environment variable. The call
will ignore these variables if <varname>$WATCHDOG_PID</varname>
<varname>$WATCHDOG_PID</varname> and
<varname>$WATCHDOG_USEC</varname> environment variable. The call
will ignore these variables if <varname>$WATCHDOG_PID</varname>