chiark / gitweb /
log: introduce a macro to format message id
[elogind.git] / man / sd_notify.xml
index eb449555cb4437342c17d02cdcd8a5484783dc7f..346ec8f90b42d04a306eab914788885a296a3ea0 100644 (file)
@@ -45,7 +45,7 @@
         <refnamediv>
                 <refname>sd_notify</refname>
                 <refname>sd_notifyf</refname>
         <refnamediv>
                 <refname>sd_notify</refname>
                 <refname>sd_notifyf</refname>
-                <refpurpose>Notify init system about start-up completion and other daemon status changes</refpurpose>
+                <refpurpose>Notify service manager about start-up completion and other daemon status changes</refpurpose>
         </refnamediv>
 
         <refsynopsisdiv>
         </refnamediv>
 
         <refsynopsisdiv>
                                 <term>WATCHDOG=1</term>
 
                                 <listitem><para>Tells systemd to
                                 <term>WATCHDOG=1</term>
 
                                 <listitem><para>Tells systemd to
-                                update the watchdog timestamp.
-                                Services using this feature should do
-                                this in regular intervals. A watchdog
-                                framework can use the timestamps to
-                                detect failed
-                                services.</para></listitem>
+                                update the watchdog timestamp. This is
+                                the keep-alive ping that services need
+                                to issue in regular intervals if
+                                <varname>WatchdogSec=</varname> is
+                                enabled for it. See
+                                <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>
                         </varlistentry>
                 </variablelist>
 
                         </varlistentry>
                 </variablelist>
 
 
                 <para>For details about the algorithms check the
                 liberally licensed reference implementation sources:
 
                 <para>For details about the algorithms check the
                 liberally licensed reference implementation sources:
-                <ulink url="http://cgit.freedesktop.org/systemd/systemd/plain/src/sd-daemon.c"/>
+                <ulink url="http://cgit.freedesktop.org/systemd/systemd/plain/src/libsystemd-daemon/sd-daemon.c"/>
                 resp. <ulink
                 url="http://cgit.freedesktop.org/systemd/systemd/plain/src/systemd/sd-daemon.h"/></para>
 
                 resp. <ulink
                 url="http://cgit.freedesktop.org/systemd/systemd/plain/src/systemd/sd-daemon.h"/></para>
 
                 file. Alternatively, applications consuming these APIs
                 may copy the implementation into their source tree. For
                 more details about the reference implementation see
                 file. Alternatively, applications consuming these APIs
                 may copy the implementation into their source tree. For
                 more details about the reference implementation see
-                <citerefentry><refentrytitle>sd_daemon</refentrytitle><manvolnum>7</manvolnum></citerefentry>.</para>
+                <citerefentry><refentrytitle>sd-daemon</refentrytitle><manvolnum>3</manvolnum></citerefentry>.</para>
 
                 <para>If the reference implementation is used as
                 drop-in files and -DDISABLE_SYSTEMD is set during
 
                 <para>If the reference implementation is used as
                 drop-in files and -DDISABLE_SYSTEMD is set during
                 <title>See Also</title>
                 <para>
                         <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
                 <title>See Also</title>
                 <para>
                         <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
-                        <citerefentry><refentrytitle>sd_daemon</refentrytitle><manvolnum>7</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>
                 </para>
                         <citerefentry><refentrytitle>daemon</refentrytitle><manvolnum>7</manvolnum></citerefentry>,
                         <citerefentry><refentrytitle>systemd.service</refentrytitle><manvolnum>5</manvolnum></citerefentry>
                 </para>