man: document systemd-journald.conf(5)

[elogind.git] / man / sd_seat_get_active.xml

diff --git a/man/sd_seat_get_active.xml b/man/sd_seat_get_active.xml
index e729a653b7dbb8374f19f9d83badd40d1c0fbc29..acc6ee4ea76a273e116815ab4f880d26353582db 100644 (file)
--- a/man/sd_seat_get_active.xml
+++ b/man/sd_seat_get_active.xml
@@ -70,7 +70,7 @@
 
                         <funcprototype>
                                 <funcdef>int <function>sd_seat_can_multi_session</function></funcdef>
-                                <paramdef>const char* <parameter>session</parameter></paramdef>
+                                <paramdef>const char* <parameter>seat</parameter></paramdef>
                         </funcprototype>
                 </funcsynopsis>
         </refsynopsisdiv>
@@ -101,13 +101,20 @@
                 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.</para>
+                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 (whith only one being active at a
                 time).</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>
@@ -143,7 +150,7 @@
                 <para>
                         <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
                         <citerefentry><refentrytitle>sd-login</refentrytitle><manvolnum>7</manvolnum></citerefentry>,
-                        <citerefentry><refentrytitle>sd_session_get_seat</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
+                        <citerefentry><refentrytitle>sd_session_get_seat</refentrytitle><manvolnum>3</manvolnum></citerefentry>
                 </para>
         </refsect1>