man/sd-login.xml

   1 <?xml version='1.0'?> <!--*-nxml-*-->
   2 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
   3         "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
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   8   Copyright 2010 Lennart Poettering
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  23
  24 <refentry id="sd-login">
  25
  26         <refentryinfo>
  27                 <title>sd-login</title>
  28                 <productname>systemd</productname>
  29
  30                 <authorgroup>
  31                         <author>
  32                                 <contrib>Developer</contrib>
  33                                 <firstname>Lennart</firstname>
  34                                 <surname>Poettering</surname>
  35                                 <email>lennart@poettering.net</email>
  36                         </author>
  37                 </authorgroup>
  38         </refentryinfo>
  39
  40         <refmeta>
  41                 <refentrytitle>sd-login</refentrytitle>
  42                 <manvolnum>7</manvolnum>
  43         </refmeta>
  44
  45         <refnamediv>
  46                 <refname>sd-login</refname>
  47                 <refpurpose>APIs for
  48                 tracking logins</refpurpose>
  49         </refnamediv>
  50
  51         <refsynopsisdiv>
  52                 <funcsynopsis>
  53                         <funcsynopsisinfo>#include &lt;systemd/sd-login.h&gt;</funcsynopsisinfo>
  54                 </funcsynopsis>
  55
  56                 <cmdsynopsis>
  57                         <command>pkg-config --cflags --libs libsystemd-login</command>
  58                 </cmdsynopsis>
  59         </refsynopsisdiv>
  60
  61         <refsect1>
  62                 <title>Description</title>
  63
  64                 <para><filename>sd-login.h</filename> provides APIs to
  65                 introspect and monitor seat, login session and user
  66                 status information on the local system. </para>
  67
  68                 <para>See <ulink
  69                 url="http://www.freedesktop.org/wiki/Software/systemd/multiseat">Multi-Seat
  70                 on Linux</ulink> for an introduction into multi-seat
  71                 support on Linux, the background for this set of APIs.</para>
  72
  73                 <para>Note that these APIs only allow purely passive access
  74                 and monitoring of seats, sessions and users. To
  75                 actively make changes to the seat configuration,
  76                 terminate login sessions, or switch session on a seat
  77                 you need to utilize the D-Bus API of
  78                 systemd-logind.</para>
  79
  80                 <para>See
  81                 <citerefentry><refentrytitle>sd_pid_get_session</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
  82                 <citerefentry><refentrytitle>sd_uid_get_state</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
  83                 <citerefentry><refentrytitle>sd_session_is_active</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
  84                 <citerefentry><refentrytitle>sd_seat_get_active</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
  85                 <citerefentry><refentrytitle>sd_get_seats</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
  86                 <citerefentry><refentrytitle>sd_login_monitor_new</refentrytitle><manvolnum>3</manvolnum></citerefentry>
  87                 for more information about the functions
  88                 implemented.</para>
  89         </refsect1>
  90
  91         <refsect1>
  92                 <title>Notes</title>
  93
  94                 <para>These APIs are implemented as shared library,
  95                 which can be compiled and linked to with the
  96                 <literal>libsystemd-login</literal>
  97                 <citerefentry><refentrytitle>pkg-config</refentrytitle><manvolnum>1</manvolnum></citerefentry>
  98                 file.</para>
  99         </refsect1>
 100
 101         <refsect1>
 102                 <title>See Also</title>
 103                 <para>
 104                         <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
 105                         <citerefentry><refentrytitle>sd_pid_get_session</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
 106                         <citerefentry><refentrytitle>sd_uid_get_state</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
 107                         <citerefentry><refentrytitle>sd_session_is_active</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
 108                         <citerefentry><refentrytitle>sd_seat_get_active</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
 109                         <citerefentry><refentrytitle>sd_get_seats</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
 110                         <citerefentry><refentrytitle>sd_login_monitor_new</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
 111                         <citerefentry><refentrytitle>sd-daemon</refentrytitle><manvolnum>7</manvolnum></citerefentry>,
 112                         <citerefentry><refentrytitle>sd-readahead</refentrytitle><manvolnum>7</manvolnum></citerefentry>,
 113                         <citerefentry><refentrytitle>pkg-config</refentrytitle><manvolnum>1</manvolnum></citerefentry>
 114                 </para>
 115         </refsect1>
 116
 117 </refentry>