mirror of
https://github.com/systemd/systemd
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0c69794138
These lines are generally out-of-date, incomplete and unnecessary. With SPDX and git repository much more accurate and fine grained information about licensing and authorship is available, hence let's drop the per-file copyright notice. Of course, removing copyright lines of others is problematic, hence this commit only removes my own lines and leaves all others untouched. It might be nicer if sooner or later those could go away too, making git the only and accurate source of authorship information.
166 lines
5.6 KiB
XML
166 lines
5.6 KiB
XML
<?xml version='1.0'?> <!--*-nxml-*-->
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
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"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
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<!--
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SPDX-License-Identifier: LGPL-2.1+
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-->
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<refentry id="systemd-inhibit"
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xmlns:xi="http://www.w3.org/2001/XInclude">
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<refentryinfo>
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<title>systemd-inhibit</title>
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<productname>systemd</productname>
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<authorgroup>
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<author>
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<contrib>Developer</contrib>
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<firstname>Lennart</firstname>
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<surname>Poettering</surname>
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<email>lennart@poettering.net</email>
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</author>
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</authorgroup>
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</refentryinfo>
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<refmeta>
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<refentrytitle>systemd-inhibit</refentrytitle>
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<manvolnum>1</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>systemd-inhibit</refname>
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<refpurpose>Execute a program with an inhibition lock taken</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<cmdsynopsis>
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<command>systemd-inhibit <arg choice="opt" rep="repeat">OPTIONS</arg> <arg>COMMAND</arg> <arg choice="opt" rep="repeat">ARGUMENTS</arg></command>
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</cmdsynopsis>
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<cmdsynopsis>
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<command>systemd-inhibit <arg choice="opt" rep="repeat">OPTIONS</arg> --list</command>
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</cmdsynopsis>
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</refsynopsisdiv>
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<refsect1>
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<title>Description</title>
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<para><command>systemd-inhibit</command> may be used to execute a
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program with a shutdown, sleep, or idle inhibitor lock taken. The
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lock will be acquired before the specified command line is
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executed and released afterwards.</para>
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<para>Inhibitor locks may be used to block or delay system sleep
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and shutdown requests from the user, as well as automatic idle
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handling of the OS. This is useful to avoid system suspends while
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an optical disc is being recorded, or similar operations that
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should not be interrupted.</para>
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<para>For more information see the <ulink
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url="https://www.freedesktop.org/wiki/Software/systemd/inhibit">Inhibitor
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Lock Developer Documentation</ulink>.</para>
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</refsect1>
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<refsect1>
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<title>Options</title>
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<para>The following options are understood:</para>
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<variablelist>
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<varlistentry>
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<term><option>--what=</option></term>
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<listitem><para>Takes a colon-separated list of one or more
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operations to inhibit:
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<literal>shutdown</literal>,
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<literal>sleep</literal>,
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<literal>idle</literal>,
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<literal>handle-power-key</literal>,
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<literal>handle-suspend-key</literal>,
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<literal>handle-hibernate-key</literal>,
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<literal>handle-lid-switch</literal>,
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for inhibiting reboot/power-off/halt/kexec,
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suspending/hibernating, the automatic idle detection, or the
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low-level handling of the power/sleep key and the lid switch,
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respectively. If omitted, defaults to
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<literal>idle:sleep:shutdown</literal>.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--who=</option></term>
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<listitem><para>Takes a short, human-readable descriptive
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string for the program taking the lock. If not passed,
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defaults to the command line string.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--why=</option></term>
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<listitem><para>Takes a short, human-readable descriptive
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string for the reason for taking the lock. Defaults to
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"Unknown reason".</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--mode=</option></term>
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<listitem><para>Takes either <literal>block</literal> or
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<literal>delay</literal> and describes how the lock is
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applied. If <literal>block</literal> is used (the default),
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the lock prohibits any of the requested operations without
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time limit, and only privileged users may override it. If
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<literal>delay</literal> is used, the lock can only delay the
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requested operations for a limited time. If the time elapses,
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the lock is ignored and the operation executed. The time limit
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may be specified in
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<citerefentry><refentrytitle>logind.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
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Note that <literal>delay</literal> is only available for
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<literal>sleep</literal> and
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<literal>shutdown</literal>.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--list</option></term>
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<listitem><para>Lists all active inhibition locks instead of
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acquiring one.</para></listitem>
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</varlistentry>
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<xi:include href="standard-options.xml" xpointer="no-pager" />
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<xi:include href="standard-options.xml" xpointer="help" />
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<xi:include href="standard-options.xml" xpointer="version" />
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</variablelist>
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</refsect1>
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<refsect1>
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<title>Exit status</title>
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<para>Returns the exit status of the executed program.</para>
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</refsect1>
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<refsect1>
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<title>Example</title>
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<programlisting># systemd-inhibit wodim foobar.iso</programlisting>
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<para>This burns the ISO image
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<filename>foobar.iso</filename> on a CD using
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<citerefentry project='man-pages'><refentrytitle>wodim</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
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and inhibits system sleeping, shutdown and idle while
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doing so.</para>
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</refsect1>
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<xi:include href="less-variables.xml" />
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<refsect1>
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<title>See Also</title>
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<para>
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<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>logind.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>
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</para>
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</refsect1>
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</refentry>
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