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authorZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2014-05-24 18:49:45 -0400
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2014-05-24 18:50:21 -0400
commit623538c3125fd0174513e4ef5b0e6163f4ea41ef (patch)
tree07788e6c97850781fcd55b04d6b38980123e2372 /man/sd_uid_get_state.xml
parent499b604b21c02ee64c8590a76d7900d64d7a5cb7 (diff)
man: describe sd_uid_get_display
Diffstat (limited to 'man/sd_uid_get_state.xml')
-rw-r--r--man/sd_uid_get_state.xml40
1 files changed, 33 insertions, 7 deletions
diff --git a/man/sd_uid_get_state.xml b/man/sd_uid_get_state.xml
index 01ad0abfce..1007a7917b 100644
--- a/man/sd_uid_get_state.xml
+++ b/man/sd_uid_get_state.xml
@@ -47,6 +47,7 @@
<refname>sd_uid_is_on_seat</refname>
<refname>sd_uid_get_sessions</refname>
<refname>sd_uid_get_seats</refname>
+ <refname>sd_uid_get_display</refname>
<refpurpose>Determine login state of a specific Unix user ID</refpurpose>
</refnamediv>
@@ -80,6 +81,12 @@
<paramdef>int <parameter>require_active</parameter></paramdef>
<paramdef>char ***<parameter>seats</parameter></paramdef>
</funcprototype>
+
+ <funcprototype>
+ <funcdef>int <function>sd_uid_get_display</function></funcdef>
+ <paramdef>uid_t <parameter>uid</parameter></paramdef>
+ <paramdef>char **<parameter>session</parameter></paramdef>
+ </funcprototype>
</funcsynopsis>
</refsynopsisdiv>
@@ -147,6 +154,12 @@
with no attached seat and hence the number of entries
in the returned array may differ from the one returned
by <function>sd_uid_get_sessions()</function>.</para>
+
+ <para><function>sd_uid_get_display()</function>
+ returns the name of the "primary" session of a user.
+ If the user has graphical sessions, it will be the
+ oldest graphical session. Otherwise, it will be the
+ oldest open session.</para>
</refsect1>
<refsect1>
@@ -159,7 +172,9 @@
positive integer; if it fails,
0. <function>sd_uid_get_sessions()</function> and
<function>sd_uid_get_seats()</function> return the
- number of entries in the returned arrays. On failure,
+ number of entries in the returned arrays.
+ <function>sd_uid_get_display()</function> returns
+ a non-negative code on success. On failure,
these calls return a negative errno-style error
code.</para>
</refsect1>
@@ -167,13 +182,24 @@
<refsect1>
<title>Notes</title>
- <para>The <function>sd_uid_get_state()</function>,
+ <para>Functions described here are available as a
+ shared library, and can be compiled and linked to
+ using the
+ <constant>libsystemd</constant> <citerefentry><refentrytitle>pkg-config</refentrytitle><manvolnum>1</manvolnum></citerefentry>
+ entry.</para>
+ </refsect1>
+
+ <refsect1>
+ <title>History</title>
+
+ <function>sd_uid_get_state()</function>,
<function>sd_uid_is_on_seat()</function>,
- <function>sd_uid_get_sessions()</function>, and
- <function>sd_uid_get_seats()</function> interfaces are
- available as a shared library, which can be compiled and
- linked to with the <constant>libsystemd</constant> <citerefentry><refentrytitle>pkg-config</refentrytitle><manvolnum>1</manvolnum></citerefentry>
- file.</para>
+ <function>sd_uid_get_sessions()</function>,
+ and <function>sd_uid_get_seats()</function> functions
+ were added in systemd-31.
+
+ <para><function>sd_uid_get_display()</function> was
+ added in systemd-213.</para>
</refsect1>
<refsect1>