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681eb9cf2b
In particular, use /lib/systemd instead of /usr/lib/systemd in distributions like Debian which still have not adopted a /usr merge setup. Use XML entities from man/custom-entities.ent to replace configured paths while doing XSLT processing of the original XML files. There was precedent of some files (such as systemd.generator.xml) which were already using this approach. This addresses most of the (manual) fixes from this patch: http://anonscm.debian.org/cgit/pkg-systemd/systemd.git/tree/debian/patches/Fix-paths-in-man-pages.patch?h=experimental-220 The idea of using generic XML entities was presented here: http://lists.freedesktop.org/archives/systemd-devel/2015-May/032240.html This patch solves almost all the issues, with the exception of: - Path to /bin/mount and /bin/umount. - Generic statements about preference of /lib over /etc. These will be handled separately by follow up patches. Tested: - With default configure settings, ran "make install" to two separate directories and compared the output to confirm they matched exactly. - Used a set of configure flags including $CONFFLAGS from Debian: http://anonscm.debian.org/cgit/pkg-systemd/systemd.git/tree/debian/rules Installed the tree and confirmed the paths use /lib/systemd instead of /usr/lib/systemd and that no other unexpected differences exist. - Confirmed that `make distcheck` still passes.
150 lines
5.8 KiB
XML
150 lines
5.8 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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<!ENTITY % entities SYSTEM "custom-entities.ent" >
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%entities;
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]>
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<!--
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This file is part of systemd.
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Copyright 2012 Lennart Poettering
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Copyright 2013 Zbigniew Jędrzejewski-Szmek
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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-->
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<refentry id="systemd-suspend.service"
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xmlns:xi="http://www.w3.org/2001/XInclude">
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<refentryinfo>
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<title>systemd-suspend.service</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-suspend.service</refentrytitle>
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<manvolnum>8</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>systemd-suspend.service</refname>
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<refname>systemd-hibernate.service</refname>
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<refname>systemd-hybrid-sleep.service</refname>
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<refname>systemd-sleep</refname>
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<refpurpose>System sleep state logic</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<para><filename>systemd-suspend.service</filename></para>
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<para><filename>systemd-hibernate.service</filename></para>
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<para><filename>systemd-hybrid-sleep.service</filename></para>
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<para><filename>&rootlibexecdir;/system-sleep</filename></para>
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</refsynopsisdiv>
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<refsect1>
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<title>Description</title>
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<para><filename>systemd-suspend.service</filename> is a system
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service that is pulled in by <filename>suspend.target</filename>
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and is responsible for the actual system suspend. Similarly,
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<filename>systemd-hibernate.service</filename> is pulled in by
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<filename>hibernate.target</filename> to execute the actual
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hibernation. Finally,
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<filename>systemd-hybrid-sleep.service</filename> is pulled in by
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<filename>hybrid-sleep.target</filename> to execute hybrid
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hibernation with system suspend.</para>
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<para>Immediately before entering system suspend and/or
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hibernation <filename>systemd-suspend.service</filename> (and the
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other mentioned units, respectively) will run all executables in
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<filename>&rootlibexecdir;/system-sleep/</filename> and pass two
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arguments to them. The first argument will be
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<literal>pre</literal>, the second either
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<literal>suspend</literal>, <literal>hibernate</literal>, or
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<literal>hybrid-sleep</literal> depending on the chosen action.
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Immediately after leaving system suspend and/or hibernation the
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same executables are run, but the first argument is now
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<literal>post</literal>. All executables in this directory are
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executed in parallel, and execution of the action is not continued
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until all executables have finished.</para>
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<para>Note that scripts or binaries dropped in
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<filename>&rootlibexecdir;/system-sleep/</filename> are intended
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for local use only and should be considered hacks. If applications
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want to be notified of system suspend/hibernation and resume,
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there are much nicer interfaces available.</para>
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<para>Note that
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<filename>systemd-suspend.service</filename>,
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<filename>systemd-hibernate.service</filename>, and
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<filename>systemd-hybrid-sleep.service</filename>
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should never be executed directly. Instead, trigger system sleep
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states with a command such as <literal>systemctl suspend</literal>
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or similar.</para>
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<para>Internally, this service will echo a string like
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<literal>mem</literal> into <filename>/sys/power/state</filename>,
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to trigger the actual system suspend. What exactly is written
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where can be configured in the <literal>[Sleep]</literal> section
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of <filename>&pkgsysconfdir;/sleep.conf</filename> or a
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<filename>sleep.conf.d</filename> file. See
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<citerefentry><refentrytitle>systemd-sleep.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
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</para>
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</refsect1>
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<refsect1>
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<title>Options</title>
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<para><command>systemd-sleep</command> understands the
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following commands:</para>
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<variablelist>
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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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<varlistentry>
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<term><option>suspend</option></term>
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<term><option>hibernate</option></term>
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<term><option>hybrid-sleep</option></term>
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<listitem><para>Suspend, hibernate, or put the system to
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hybrid sleep.</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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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-sleep.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd.special</refentrytitle><manvolnum>7</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd-halt.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>
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</para>
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</refsect1>
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</refentry>
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