-<?xml version='1.0'?> <!--*- Mode: nxml; nxml-child-indent: 2; indent-tabs-mode: nil -*-->
-<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
+<?xml version='1.0'?>
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
-
-<!--
- SPDX-License-Identifier: LGPL-2.1+
-
- This file is part of systemd.
-
- Copyright 2010 Lennart Poettering
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
--->
+<!-- SPDX-License-Identifier: LGPL-2.1+ -->
<refentry id="sd_notify"
xmlns:xi="http://www.w3.org/2001/XInclude">
<refentryinfo>
<title>sd_notify</title>
<productname>systemd</productname>
-
- <authorgroup>
- <author>
- <contrib>Developer</contrib>
- <firstname>Lennart</firstname>
- <surname>Poettering</surname>
- <email>lennart@poettering.net</email>
- </author>
- </authorgroup>
</refentryinfo>
<refmeta>
<varlistentry>
<term>READY=1</term>
- <listitem><para>Tells the service manager that service startup
- is finished. This is only used by systemd if the service
- definition file has Type=notify set. Since there is little
- value in signaling non-readiness, the only value services
- should send is <literal>READY=1</literal> (i.e.
- <literal>READY=0</literal> is not defined).</para></listitem>
+ <listitem><para>Tells the service manager that service startup is finished, or the service finished loading its
+ configuration. This is only used by systemd if the service definition file has <varname>Type=notify</varname>
+ set. Since there is little value in signaling non-readiness, the only value services should send is
+ <literal>READY=1</literal> (i.e. <literal>READY=0</literal> is not defined).</para></listitem>
</varlistentry>
<varlistentry>
watchdog is enabled. </para></listitem>
</varlistentry>
+ <varlistentry>
+ <term>WATCHDOG=trigger</term>
+
+ <listitem><para>Tells the service manager that the service detected an internal error that should be handled by
+ the configured watchdog options. This will trigger the same behaviour as if <varname>WatchdogSec=</varname> is
+ enabled and the service did not send <literal>WATCHDOG=1</literal> in time. Note that
+ <varname>WatchdogSec=</varname> does not need to be enabled for <literal>WATCHDOG=trigger</literal> to trigger
+ the watchdog action. See
+ <citerefentry><refentrytitle>systemd.service</refentrytitle><manvolnum>5</manvolnum></citerefentry> for
+ information about the watchdog behavior. </para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>WATCHDOG_USEC=…</term>
+
+ <listitem><para>Reset <varname>watchdog_usec</varname> value during runtime.
+ Notice that this is not available when using <function>sd_event_set_watchdog()</function>
+ or <function>sd_watchdog_enabled()</function>.
+ Example : <literal>WATCHDOG_USEC=20000000</literal></para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>EXTEND_TIMEOUT_USEC=…</term>
+
+ <listitem><para>Tells the service manager to extend the startup, runtime or shutdown service timeout
+ corresponding the current state. The value specified is a time in microseconds during which the service must
+ send a new message. A service timeout will occur if the message isn't received, but only if the runtime of the
+ current state is beyond the original maximum times of <varname>TimeoutStartSec=</varname>, <varname>RuntimeMaxSec=</varname>,
+ and <varname>TimeoutStopSec=</varname>.
+ See <citerefentry><refentrytitle>systemd.service</refentrytitle><manvolnum>5</manvolnum></citerefentry>
+ for effects on the service timeouts.</para></listitem>
+ </varlistentry>
<varlistentry>
<term>FDSTORE=1</term>
</varlistentry>
<varlistentry>
- <term>FDNAME=…</term>
+ <term>FDSTOREREMOVE=1</term>
- <listitem><para>When used in combination with
- <varname>FDSTORE=1</varname>, specifies a name for the
- submitted file descriptors. This name is passed to the service
- during activation, and may be queried using
- <citerefentry><refentrytitle>sd_listen_fds_with_names</refentrytitle><manvolnum>3</manvolnum></citerefentry>. File
- descriptors submitted without this field set, will implicitly
- get the name <literal>stored</literal> assigned. Note that, if
- multiple file descriptors are submitted at once, the specified
- name will be assigned to all of them. In order to assign
- different names to submitted file descriptors, submit them in
- separate invocations of
- <function>sd_pid_notify_with_fds()</function>. The name may
- consist of any ASCII character, but must not contain control
- characters or <literal>:</literal>. It may not be longer than
- 255 characters. If a submitted name does not follow these
- restrictions, it is ignored.</para></listitem>
+ <listitem><para>Removes file descriptors from the file descriptor store. This field needs to be combined with
+ <varname>FDNAME=</varname> to specify the name of the file descriptors to remove.</para></listitem>
</varlistentry>
<varlistentry>
- <term>WATCHDOG_USEC=…</term>
+ <term>FDNAME=…</term>
- <listitem><para>Reset <varname>watchdog_usec</varname> value during runtime.
- Notice that this is not available when using <function>sd_event_set_watchdog()</function>
- or <function>sd_watchdog_enabled()</function>.
- Example : <literal>WATCHDOG_USEC=20000000</literal></para></listitem>
+ <listitem><para>When used in combination with <varname>FDSTORE=1</varname>, specifies a name for the submitted
+ file descriptors. When used with <varname>FDSTOREREMOVE=1</varname>, specifies the name for the file
+ descriptors to remove. This name is passed to the service during activation, and may be queried using
+ <citerefentry><refentrytitle>sd_listen_fds_with_names</refentrytitle><manvolnum>3</manvolnum></citerefentry>. File
+ descriptors submitted without this field set, will implicitly get the name <literal>stored</literal>
+ assigned. Note that, if multiple file descriptors are submitted at once, the specified name will be assigned to
+ all of them. In order to assign different names to submitted file descriptors, submit them in separate
+ invocations of <function>sd_pid_notify_with_fds()</function>. The name may consist of arbitrary ASCII
+ characters except control characters or <literal>:</literal>. It may not be longer than 255 characters. If a
+ submitted name does not follow these restrictions, it is ignored.</para></listitem>
</varlistentry>
</variablelist>