X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=man%2Fsystemd.socket.xml;h=040305c632c55a12d6d3e0207704e33d20421d47;hp=88cdaca00ff855e7553c49bf6cfb0b3c69f505af;hb=3c86d34cf1e381ade10dcc41c655c98b2d489c8d;hpb=9cc2c8b763fb4b9ddda95756a727a438a0d2a012
diff --git a/man/systemd.socket.xml b/man/systemd.socket.xml
index 88cdaca00..040305c63 100644
--- a/man/systemd.socket.xml
+++ b/man/systemd.socket.xml
@@ -48,7 +48,7 @@
- systemd.socket
+ socket.socket
@@ -75,7 +75,7 @@
,
,
and
- commands are executed
+ commands are executed
in, and in
systemd.kill5
which define the way the processes are
@@ -143,7 +143,7 @@
options specific to the [Socket] section of socket
units are the following:
-
+ ListenStream=ListenDatagram=
@@ -205,19 +205,24 @@
These options may be specified
more than once in which case incoming
- traffic on any of the sockets will trigger
- service activation, and all listed
- sockets will be passed to the service,
- regardless whether there is incoming
- traffic on them or not.
-
- If an IP address is used here, it
- is often desirable to listen on it
+ traffic on any of the sockets will
+ trigger service activation, and all
+ listed sockets will be passed to the
+ service, regardless whether there is
+ incoming traffic on them or not. If
+ the empty string is assigned to any of
+ these options, the list of addresses
+ to listen on is reset, all prior uses
+ of any of these options will have no
+ effect.
+
+ If an IP address is used here,
+ it is often desirable to listen on it
before the interface it is configured
on is up and running, and even
regardless whether it will be up and
- running ever at all. To deal with this it is
- recommended to set the
+ running ever at all. To deal with this
+ it is recommended to set the
FreeBind= option
described below.
@@ -369,17 +374,30 @@
and only one service unit is spawned
for all connections (also see
above). This value is ignored for
- datagram sockets and FIFOs where
- a single service unit unconditionally
+ datagram sockets and FIFOs where a
+ single service unit unconditionally
handles all incoming traffic. Defaults
to . For
performance reasons, it is recommended
to write new daemons only in a way
that is suitable for
- . This
- option is mostly useful to allow
- daemons designed for usage with
- inetd8,
+ . A
+ daemon listening on an AF_UNIX socket
+ may, but does not need to, call
+ close2
+ on the received socket before
+ exiting. However, it must not unlink
+ the socket from a filesystem. It
+ should note invoke
+ shutdown2
+ on sockets it got with
+ Accept=false, but
+ it may do so for sockets it got with
+ Accept=true set.
+ Setting Accept=true
+ is mostly useful to allow daemons
+ designed for usage with
+ inetd8
to work unmodified with systemd socket
activation.
@@ -681,6 +699,14 @@
systemd.service5,
systemd.directives7
+
+
+ For more extensive descriptions see the "Systemd for Developers" series:
+ Socket Activation,
+ Socket Activation, part II,
+ Converting inetd Services,
+ Socket Activated Internet Services and OS Containers.
+