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+<?xml version='1.0'?> <!--*-nxml-*-->
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
+        "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+<!--
+  This file is part of systemd.
+
+  Copyright 2012 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/>.
+-->
+
+<refentry id="systemd-suspend.service">
+
+        <refentryinfo>
+                <title>systemd-suspend.service</title>
+                <productname>systemd</productname>
+
+                <authorgroup>
+                        <author>
+                                <contrib>Developer</contrib>
+                                <firstname>Lennart</firstname>
+                                <surname>Poettering</surname>
+                                <email>lennart@poettering.net</email>
+                        </author>
+                </authorgroup>
+        </refentryinfo>
+
+        <refmeta>
+                <refentrytitle>systemd-suspend.service</refentrytitle>
+                <manvolnum>8</manvolnum>
+        </refmeta>
+
+        <refnamediv>
+                <refname>systemd-suspend.service</refname>
+                <refname>systemd-hibernate.service</refname>
+                <refname>systemd-sleep</refname>
+                <refpurpose>systemd System Suspend/Hibernate Logic</refpurpose>
+        </refnamediv>
+
+        <refsynopsisdiv>
+                <para><filename>systemd-suspend.service</filename></para>
+                <para><filename>systemd-hibernate.service</filename></para>
+                <para><filename>/usr/lib/systemd/systemd-sleep</filename></para>
+        </refsynopsisdiv>
+
+        <refsect1>
+                <title>Description</title>
+
+                <para><filename>systemd-suspend.service</filename> is
+                a system service that is pulled in by
+                <filename>suspend.target</filename> and is responsible
+                for the actual system suspend. Similar,
+                <filename>systemd-hibernate.service</filename> is
+                pulled in by <filename>hibernate.target</filename> to
+                executed the actual hibernation.</para>
+
+                <para>Immediately before entering system suspend and
+                hibernation
+                <filename>systemd-suspend.service</filename> will run
+                all executables in
+                <filename>/usr/lib/systemd/system-sleep/</filename>
+                and pass two arguments to them. The first argument
+                will be "<literal>pre</literal>", the second either
+                "<literal>suspend</literal>" or
+                "<literal>hibernate</literal>", depending on the chosen
+                action. Immediately after leaving system suspend and
+                hibernation the same executables are run, but the
+                first argument is now "<literal>post</literal>". All
+                executables in this directory are executed in
+                parallel, and execution of the action is not continued
+                before all executables finished.</para>
+
+                <para>Note that scripts or binaries dropped in
+                <filename>/usr/lib/systemd/system-sleep/</filename>
+                are intended for local use only and should be
+                considered hacks. If applications want to be notified
+                of system suspend and resume there are much nicer
+                interfaces available.</para>
+
+        </refsect1>
+
+        <refsect1>
+                <title>See Also</title>
+                <para>
+                        <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+                        <citerefentry><refentrytitle>systemd.special</refentrytitle><manvolnum>7</manvolnum></citerefentry>
+                        <citerefentry><refentrytitle>systemd-halt.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>
+                </para>
+        </refsect1>
+
+</refentry>