From eecd1362f7f4de432483b5d77c56726c3621a83a Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Sat, 5 May 2012 00:34:48 +0200
Subject: logind: implement delay inhibitor locks in addition to block
 inhibitor locks

This is useful to allow applications to synchronously save data before
the system is suspended or shut down.
---
 man/logind.conf.xml     |  14 ++++
 man/systemd-inhibit.xml | 179 ++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 193 insertions(+)
 create mode 100644 man/systemd-inhibit.xml

(limited to 'man')

diff --git a/man/logind.conf.xml b/man/logind.conf.xml
index 6a10fa9868..deca1cdd7f 100644
--- a/man/logind.conf.xml
+++ b/man/logind.conf.xml
@@ -146,6 +146,20 @@
                                 defaults to
                                 <literal>cpu</literal>.</para></listitem>
                         </varlistentry>
+
+                        <varlistentry>
+                                <term><varname>InhibitDelayMaxSec=</varname></term>
+
+                                <listitem><para>Specifies the maximum
+                                time a suspend or reboot is delayed
+                                due to an inhibitor lock of type
+                                <literal>delay</literal> being taken
+                                before it is ignored and the operation
+                                executed anyway. Defaults to
+                                5s.</para></listitem>
+
+                        </varlistentry>
+
                 </variablelist>
 
                 <para>Note that setting
diff --git a/man/systemd-inhibit.xml b/man/systemd-inhibit.xml
new file mode 100644
index 0000000000..34095902c2
--- /dev/null
+++ b/man/systemd-inhibit.xml
@@ -0,0 +1,179 @@
+<?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-inhibit">
+
+        <refentryinfo>
+                <title>systemd-inhibit</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-inhibit</refentrytitle>
+                <manvolnum>1</manvolnum>
+        </refmeta>
+
+        <refnamediv>
+                <refname>systemd-inhibit</refname>
+                <refpurpose>Execute a program with an inhibition lock taken</refpurpose>
+        </refnamediv>
+
+        <refsynopsisdiv>
+                <cmdsynopsis>
+                        <command>systemd-inhibit <arg choice="opt" rep="repeat">OPTIONS</arg> <arg>COMMAND</arg> <arg choice="opt" rep="repeat">ARGUMENTS</arg></command>
+                </cmdsynopsis>
+                <cmdsynopsis>
+                        <command>systemd-inhibit <arg choice="opt" rep="repeat">OPTIONS</arg> --list</command>
+                </cmdsynopsis>
+        </refsynopsisdiv>
+
+        <refsect1>
+                <title>Description</title>
+
+                <para><command>systemd-inhibit</command> may be used
+                to execute a program with a shutdown, suspend or idle
+                inhibitor lock taken. The lock will be acquired before
+                the specified command line is executed and released
+                afterwards.</para>
+
+                <para>Inhibitor locks may be used to block or delay
+                suspend and shutdown requests from the user, as well
+                as automatic idle handling of the OS. This may be used
+                to avoid system suspends while an optical disc is
+                being recorded, or similar operations that should not
+                be interrupted.</para>
+        </refsect1>
+
+        <refsect1>
+                <title>Options</title>
+
+                <para>The following options are understood:</para>
+
+                <variablelist>
+                        <varlistentry>
+                                <term><option>--h</option></term>
+                                <term><option>--help</option></term>
+
+                                <listitem><para>Prints a short help
+                                text and exits.</para></listitem>
+                        </varlistentry>
+
+                        <varlistentry>
+                                <term><option>--version</option></term>
+
+                                <listitem><para>Prints a short version
+                                string and exits.</para></listitem>
+                        </varlistentry>
+
+                        <varlistentry>
+                                <term><option>--what=</option></term>
+
+                                <listitem><para>Takes a colon
+                                separated list of one or more
+                                operations to inhibit:
+                                <literal>shutdown</literal>,
+                                <literal>suspend</literal>,
+                                <literal>idle</literal>, for
+                                inhibiting reboot/power-off/halt/kexec,
+                                suspending/hibernating, resp. the
+                                automatic idle
+                                detection.</para></listitem>
+                        </varlistentry>
+
+                        <varlistentry>
+                                <term><option>--who=</option></term>
+
+                                <listitem><para>Takes a short human
+                                readable descriptive string for the
+                                program taking the lock. If not passed
+                                defaults to the command line
+                                string.</para></listitem>
+                        </varlistentry>
+
+                        <varlistentry>
+                                <term><option>--why=</option></term>
+
+                                <listitem><para>Takes a short human
+                                readable descriptive string for the
+                                reason for taking the lock. Defaults
+                                to "Unknown reason".</para></listitem>
+                        </varlistentry>
+
+                        <varlistentry>
+                                <term><option>--mode=</option></term>
+
+                                <listitem><para>Takes either
+                                <literal>block</literal> or
+                                <literal>delay</literal> and describes
+                                how the lock is applied. If
+                                <literal>block</literal> is used (the
+                                default), the lock prohibits any of
+                                the requested operations without time
+                                limit, and only privileged users may
+                                override it. If
+                                <literal>delay</literal> is used, the
+                                lock can only delay the requested
+                                operations for a limited time. If the
+                                time elapses the lock is ignored and
+                                the operation executed. The time limit
+                                may be specified in
+                                <citerefentry><refentrytitle>systemd-logind.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>.</para></listitem>
+                        </varlistentry>
+
+                        <varlistentry>
+                                <term><option>--list</option></term>
+
+                                <listitem><para>Lists all active
+                                inhibition locks instead of acquiring
+                                one.</para></listitem>
+                        </varlistentry>
+
+
+                </variablelist>
+
+        </refsect1>
+
+        <refsect1>
+                <title>Exit status</title>
+
+                <para>Returns the exit status of the executed program.</para>
+        </refsect1>
+
+        <refsect1>
+                <title>See Also</title>
+                <para>
+                        <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+                        <citerefentry><refentrytitle>systemd-logind.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>
+                </para>
+        </refsect1>
+
+</refentry>
-- 
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