From 09812eb764b440651f3ff4cb5d37bd343f800560 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Sun, 22 Dec 2013 22:14:05 +0100
Subject: sd-daemon: introduce sd_watchdog_enabled() for parsing $WATCHDOG_USEC

Also, introduce a new environment variable named $WATCHDOG_PID which
cotnains the PID of the process that is supposed to send the keep-alive
events. This is similar how $LISTEN_FDS and $LISTEN_PID work together,
and protects against confusing processes further down the process tree
due to inherited environment.
---
 man/sd_notify.xml | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

(limited to 'man/sd_notify.xml')

diff --git a/man/sd_notify.xml b/man/sd_notify.xml
index 55965ffce4..683967cd48 100644
--- a/man/sd_notify.xml
+++ b/man/sd_notify.xml
@@ -164,11 +164,15 @@
                                 <citerefentry><refentrytitle>systemd.service</refentrytitle><manvolnum>5</manvolnum></citerefentry>
                                 for details. It is recommended to send
                                 this message if the
-                                <varname>WATCHDOG_USEC=</varname>
-                                environment variable has been set for
-                                the service process, in every half the
-                                time interval that is specified in the
-                                variable.</para></listitem>
+                                <varname>$WATCHDOG_PID</varname>
+                                environment variable has been set to
+                                the PID of the service process, in
+                                every half the time interval that is
+                                specified in the
+                                <varname>$WATCHDOG_USEC</varname>
+                                environment variable. See
+                                <citerefentry><refentrytitle>sd_watchdog_enabled</refentrytitle><manvolnum>3</manvolnum></citerefentry>
+                                for details.</para></listitem>
                         </varlistentry>
                 </variablelist>
 
@@ -311,7 +315,8 @@
                         <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
                         <citerefentry><refentrytitle>sd-daemon</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
                         <citerefentry><refentrytitle>daemon</refentrytitle><manvolnum>7</manvolnum></citerefentry>,
-                        <citerefentry><refentrytitle>systemd.service</refentrytitle><manvolnum>5</manvolnum></citerefentry>
+                        <citerefentry><refentrytitle>systemd.service</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
+                        <citerefentry><refentrytitle>sd_watchdog_enabled</refentrytitle><manvolnum>3</manvolnum></citerefentry>
                 </para>
         </refsect1>
 
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