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Diffstat (limited to 'man/sd_seat_get_active.xml')
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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 b1d6d20edf..0000000000 --- a/man/sd_seat_get_active.xml +++ /dev/null @@ -1,180 +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"> - - <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> - <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* <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 NULL, in - case only one of the parameters shall be queried. The - returned string needs to be freed with the libc - <citerefentry><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 (NULL 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 - NULL 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><refentrytitle>free</refentrytitle><manvolnum>3</manvolnum></citerefentry> - call after use. Note that instead of an empty array - NULL 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 <literal>seat</literal> parameter of any - of these functions is passed as NULL 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>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_grapical()</function> interfaces - are available as shared library, which can be compiled - and linked to with the - <literal>libsystemd-login</literal> - <citerefentry><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> |