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diff --git a/man/sd_seat_get_active.xml b/man/sd_seat_get_active.xml deleted file mode 100644 index c5e6ddab02..0000000000 --- a/man/sd_seat_get_active.xml +++ /dev/null @@ -1,212 +0,0 @@ -<?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 2010 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="sd_seat_get_active" conditional='HAVE_PAM'> - - <refentryinfo> - <title>sd_seat_get_active</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>sd_seat_get_active</refentrytitle> - <manvolnum>3</manvolnum> - </refmeta> - - <refnamediv> - <refname>sd_seat_get_active</refname> - <refname>sd_seat_get_sessions</refname> - <refname>sd_seat_can_multi_session</refname> - <refname>sd_seat_can_tty</refname> - <refname>sd_seat_can_graphical</refname> - <refpurpose>Determine state of a specific seat</refpurpose> - </refnamediv> - - <refsynopsisdiv> - <funcsynopsis> - <funcsynopsisinfo>#include <systemd/sd-login.h></funcsynopsisinfo> - - <funcprototype> - <funcdef>int <function>sd_seat_get_active</function></funcdef> - <paramdef>const char *<parameter>seat</parameter></paramdef> - <paramdef>char **<parameter>session</parameter></paramdef> - <paramdef>uid_t *<parameter>uid</parameter></paramdef> - </funcprototype> - - <funcprototype> - <funcdef>int <function>sd_seat_get_sessions</function></funcdef> - <paramdef>const char *<parameter>seat</parameter></paramdef> - <paramdef>char ***<parameter>sessions</parameter></paramdef> - <paramdef>uid_t **<parameter>uid</parameter></paramdef> - <paramdef>unsigned int *<parameter>n_uids</parameter></paramdef> - </funcprototype> - - <funcprototype> - <funcdef>int <function>sd_seat_can_multi_session</function></funcdef> - <paramdef>const char *<parameter>seat</parameter></paramdef> - </funcprototype> - - <funcprototype> - <funcdef>int <function>sd_seat_can_tty</function></funcdef> - <paramdef>const char *<parameter>seat</parameter></paramdef> - </funcprototype> - - <funcprototype> - <funcdef>int <function>sd_seat_can_graphical</function></funcdef> - <paramdef>const char *<parameter>seat</parameter></paramdef> - </funcprototype> - </funcsynopsis> - </refsynopsisdiv> - - <refsect1> - <title>Description</title> - - <para><function>sd_seat_get_active()</function> may be used to - determine which session is currently active on a seat, if there is - any. Returns the session identifier and the user identifier of the - Unix user the session is belonging to. Either the session or the - user identifier parameter can be passed <constant>NULL</constant>, - in case only one of the parameters shall be queried. The returned - string needs to be freed with the libc - <citerefentry project='man-pages'><refentrytitle>free</refentrytitle><manvolnum>3</manvolnum></citerefentry> - call after use.</para> - - <para><function>sd_seat_get_sessions()</function> may be used to - determine all sessions on the specified seat. Returns two arrays, - one (<constant>NULL</constant> terminated) with the session - identifiers of the sessions and one with the user identifiers of - the Unix users the sessions belong to. An additional parameter may - be used to return the number of entries in the latter array. The - two arrays and the latter parameter may be passed as - <constant>NULL</constant> in case these values need not to be - determined. The arrays and the strings referenced by them need to - be freed with the libc - <citerefentry project='man-pages'><refentrytitle>free</refentrytitle><manvolnum>3</manvolnum></citerefentry> - call after use. Note that instead of an empty array - <constant>NULL</constant> may be returned and should be considered - equivalent to an empty array.</para> - - <para><function>sd_seat_can_multi_session()</function> may be used - to determine whether a specific seat is capable of multi-session, - i.e. allows multiple login sessions in parallel (with only one - being active at a time).</para> - - <para><function>sd_seat_can_tty()</function> may be used to - determine whether a specific seat provides TTY functionality, i.e. - is useful as a text console.</para> - - <para><function>sd_seat_can_graphical()</function> may be used to - determine whether a specific seat provides graphics functionality, - i.e. is useful as a graphics display.</para> - - <para>If the <varname>seat</varname> parameter of any of these - functions is passed as <constant>NULL</constant>, the operation is - executed for the seat of the session of the calling process, if - there is any.</para> - </refsect1> - - <refsect1> - <title>Return Value</title> - - <para> On success, <function>sd_seat_get_active()</function> - returns 0 or a positive integer. On success, - <function>sd_seat_get_sessions()</function> returns the number of - entries in the session identifier array. If the test succeeds, - <function>sd_seat_can_multi_session</function>, - <function>sd_seat_can_tty</function> and - <function>sd_seat_can_graphical</function> return a positive - integer, if it fails 0. On failure, these calls return a negative - errno-style error code.</para> - </refsect1> - - <refsect1> - <title>Errors</title> - - <para>Returned errors may indicate the following problems:</para> - - <variablelist> - - <varlistentry> - <term><constant>-ENODATA</constant></term> - - <listitem><para>The given field is not specified for the described - seat.</para> - </listitem> - </varlistentry> - - <varlistentry> - <term><constant>-ENXIO</constant></term> - - <listitem><para>The specified seat is unknown.</para> - </listitem> - </varlistentry> - - <varlistentry> - <term><constant>-EINVAL</constant></term> - - <listitem><para>An input parameter was invalid (out of range, - or NULL, where that is not accepted).</para></listitem> - </varlistentry> - - <varlistentry> - <term><constant>-ENOMEM</constant></term> - - <listitem><para>Memory allocation failed.</para></listitem> - </varlistentry> - </variablelist> - </refsect1> - - <refsect1> - <title>Notes</title> - - <para>The <function>sd_seat_get_active()</function>, - <function>sd_seat_get_sessions()</function>, - <function>sd_seat_can_multi_session()</function>, - <function>sd_seat_can_tty()</function> and - <function>sd_seat_can_graphical()</function> interfaces are - available as a shared library, which can be compiled and linked to - with the - <constant>libsystemd</constant> <citerefentry project='die-net'><refentrytitle>pkg-config</refentrytitle><manvolnum>1</manvolnum></citerefentry> - file.</para> - </refsect1> - - <refsect1> - <title>See Also</title> - - <para> - <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>, - <citerefentry><refentrytitle>sd-login</refentrytitle><manvolnum>3</manvolnum></citerefentry>, - <citerefentry><refentrytitle>sd_session_get_seat</refentrytitle><manvolnum>3</manvolnum></citerefentry> - </para> - </refsect1> - -</refentry> |