sd-login: if NULL or 0 is passed as first parameter of the sd_xxx functions, work...

[elogind.git] / man / sd_session_is_active.xml

diff --git a/man/sd_session_is_active.xml b/man/sd_session_is_active.xml
index 516275ea9feadcb53d80f0cad0e257eb07a732c8..5db305d467ff8b85561134c8ab3435324be996ee 100644 (file)
--- a/man/sd_session_is_active.xml
+++ b/man/sd_session_is_active.xml
@@ -110,6 +110,11 @@
                 the libc
                 <citerefentry><refentrytitle>free</refentrytitle><manvolnum>3</manvolnum></citerefentry>
                 call after use.</para>
+
+                <para>If the <literal>session</literal> parameter of
+                any of these functions is passed as NULL the operation
+                is executed for the session the calling process is a
+                member of, if there is any.</para>
         </refsect1>
 
         <refsect1>