X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=man%2Fsystemd.socket.xml;h=8cbb512ec157c9aaab28f7e06fcb052ea64f775d;hb=39366bacda3dddbae3c6677da5c97770cff0a279;hp=1aea2f89b158d5cc97324726b2bf8275a0842600;hpb=ba035df230e41bf9d70ebb47915c9472b7884412;p=elogind.git

diff --git a/man/systemd.socket.xml b/man/systemd.socket.xml
index 1aea2f89b..8cbb512ec 100644
--- a/man/systemd.socket.xml
+++ b/man/systemd.socket.xml
@@ -113,6 +113,17 @@
                 <para>Socket units may be used to implement on-demand
                 starting of services, as well as parallelized starting
                 of services.</para>
+
+                <para>Note that the daemon software configured for
+                socket activation with socket units needs to be able
+                to accept sockets from systemd, either via systemd's
+                native socket passing interface (see
+                <citerefentry><refentrytitle>sd_listen_fds</refentrytitle><manvolnum>3</manvolnum></citerefentry>
+                for details) or via the traditional
+                <citerefentry><refentrytitle>inetd</refentrytitle><manvolnum>8</manvolnum></citerefentry>-style
+                socket passing (i.e. sockets passed in via STDIN and
+                STDOUT, using <varname>StandardInput=socket</varname>
+                in the service file).</para>
         </refsect1>
 
         <refsect1>
@@ -508,7 +519,6 @@
                                 processes of this socket unit shall be
                                 killed. One of
                                 <option>control-group</option>,
-                                <option>process-group</option>,
                                 <option>process</option>,
                                 <option>none</option>.</para>