chiark / gitweb /
man: document new sd_session_get_state() call
authorLennart Poettering <lennart@poettering.net>
Thu, 21 Jun 2012 14:31:06 +0000 (16:31 +0200)
committerLennart Poettering <lennart@poettering.net>
Thu, 21 Jun 2012 14:31:06 +0000 (16:31 +0200)
man/sd_session_is_active.xml
man/sd_uid_get_state.xml

index 45151aa..f9b2874 100644 (file)
@@ -44,6 +44,7 @@
 
         <refnamediv>
                 <refname>sd_session_is_active</refname>
+                <refname>sd_session_get_state</refname>
                 <refname>sd_session_get_uid</refname>
                 <refname>sd_session_get_seat</refname>
                 <refname>sd_session_get_service</refname>
                         </funcprototype>
 
                         <funcprototype>
+                                <funcdef>int <function>sd_session_get_state</function></funcdef>
+                                <paramdef>const char* <parameter>session</parameter></paramdef>
+                                <paramdef>char** <parameter>state</parameter></paramdef>
+                        </funcprototype>
+
+                        <funcprototype>
                                 <funcdef>int <function>sd_session_get_uid</function></funcdef>
                                 <paramdef>const char* <parameter>session</parameter></paramdef>
                                 <paramdef>uid_t* <parameter>uid</parameter></paramdef>
                 (i.e. currently in the foreground and available for
                 user input) or not.</para>
 
+                <para><function>sd_session_get_state()</function> may
+                be used to determine the state of the session
+                identified by the specified session identifier. The
+                following states are currently known:
+                <literal>online</literal> (session logged in, but
+                session not active, i.e. not in the foreground),
+                <literal>active</literal> (session logged in and
+                active, i.e. in the foreground),
+                <literal>closing</literal> (session nominally logged
+                out, but some processes belonging to it are still
+                around). In the future additional states might be
+                defined, client code should be written to be robust in
+                regards to additional state strings being
+                returned. This function is a more generic version of
+                <function>sd_session_is_active()</function>. 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_session_get_uid()</function> may be
                 used to determine the user identifier of the Unix user the session
                 identified by the specified session identifier belongs
index c5096e8..f302b34 100644 (file)
                 at all), <literal>lingering</literal> (user not logged
                 in, but some user services running),
                 <literal>online</literal> (user logged in, but not
-                active), <literal>active</literal> (user logged in on
-                an active seat). In the future additional states might
+                active, i.e. has no session in the foreground),
+                <literal>active</literal> (user logged in, and has at
+                least one active session, i.e. one session in the
+                foreground), <literal>closing</literal> (user not
+                logged in, and not lingering, but some processes are
+                still around). In the future additional states might
                 be defined, client code should be written to be robust
                 in regards to additional state strings being
                 returned. The returned string needs to be freed with