man/systemd-inhibit.xml

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        "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">

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<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, sleep 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
                system sleep and shutdown requests from the user, as well
                as automatic idle handling of the OS. This is useful
                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>sleep</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>