X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=man%2Fsystemd.socket.xml;h=9db39b1de9d0921359d4d75860124d4ed97f2316;hb=a2558205f762ce6f1374cea0eedf5e76a6134f41;hp=ef5b28c771984330cc4bf5b3f4aab7c10859a6aa;hpb=271b032a053f9d4a1be271bb052276ae27fe36c6;p=elogind.git
diff --git a/man/systemd.socket.xml b/man/systemd.socket.xml
index ef5b28c77..9db39b1de 100644
--- a/man/systemd.socket.xml
+++ b/man/systemd.socket.xml
@@ -9,16 +9,16 @@
Copyright 2010 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
+ Lesser General Public License for more details.
- You should have received a copy of the GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see .
-->
@@ -44,7 +44,7 @@
systemd.socket
- systemd socket configuration files
+ Socket unit configuration
@@ -76,7 +76,10 @@
,
and
commands are executed
- in.
+ in, and in
+ systemd.kill5
+ which define the way the processes are
+ terminated.
For each socket file a matching service file
(see
@@ -134,7 +137,9 @@
supervises. A number of options that may be used in
this section are shared with other unit types. These
options are documented in
- systemd.exec5. The
+ systemd.exec5
+ and
+ systemd.kill5. The
options specific to the [Socket] section of socket
units are the following:
@@ -145,9 +150,9 @@
ListenSequentialPacket=Specifies an address
to listen on for a stream
- (SOCK_STREAM), datagram (SOCK_DGRAM)
- resp. sequential packet
- (SOCK_SEQPACKET) socket. The address
+ (SOCK_STREAM), datagram (SOCK_DGRAM),
+ or sequential packet
+ (SOCK_SEQPACKET) socket, respectively. The address
can be written in various formats:If the address starts with a
@@ -165,8 +170,13 @@
If the address string is a
single number it is read as port
- number to listen on for both IPv4 and
- IPv6.
+ number to listen on via
+ IPv6. Depending on the value of
+ BindIPv6Only= (see below) this
+ might result in the service being
+ available via both IPv6 and IPv4 (default) or
+ just via IPv6.
+ If the address string is a
string in the format v.w.x.y:z it is
@@ -176,7 +186,12 @@
If the address string is a
string in the format [x]:y it is read
- as IPv6 address x on a port y.
+ as IPv6 address x on a port y. Note
+ that this might make the service
+ available via IPv4, too, depending on
+ the BindIPv6Only=
+ setting (see below).
+ Note that SOCK_SEQPACKET
(i.e. ListenSequentialPacket=)
@@ -212,7 +227,7 @@
Specifies a file
system FIFO to listen on. This expects
an absolute file system path as
- argument. Behaviour otherwise is very
+ argument. Behavior otherwise is very
similar to the
ListenDatagram=
directive above.
@@ -223,7 +238,7 @@
Specifies a special
file in the file system to listen
on. This expects an absolute file
- system path as argument. Behaviour
+ system path as argument. Behavior
otherwise is very similar to the
ListenFIFO=
directive above. Use this to open
@@ -243,7 +258,7 @@
or kobject-uevent)
as argument, optionally suffixed by a
whitespace followed by a multicast
- group integer. Behaviour otherwise is
+ group integer. Behavior otherwise is
very similar to the
ListenDatagram=
directive above.
@@ -254,7 +269,7 @@
Specifies a POSIX
message queue name to listen on. This
expects a valid message queue name
- (i.e. beginning with /). Behaviour
+ (i.e. beginning with /). Behavior
otherwise is very similar to the
ListenFIFO=
directive above. On Linux message
@@ -281,7 +296,10 @@
default, surprise!) the system wide
default setting is used, as controlled
by
- /proc/sys/net/ipv6/bindv6only.
+ /proc/sys/net/ipv6/bindv6only,
+ which in turn defaults to the
+ equivalent of
+ .
@@ -416,9 +434,9 @@
SendBuffer=Takes an integer
argument controlling the receive
- resp. send buffer sizes of this
- socket. This controls the SO_RCVBUF
- resp. SO_SNDBUF socket options (see
+ or send buffer sizes of this
+ socket, respectively. This controls the SO_RCVBUF
+ and SO_SNDBUF socket options (see
socket7
for details.).
@@ -481,7 +499,7 @@
MessageQueueMessageSize=These two settings
take integer values and control the
- mq_maxmsg resp. mq_msgsize field when
+ mq_maxmsg field or the mq_msgsize field, respectively, when
creating the message queue. Note that
either none or both of these variables
need to be set. See
@@ -528,13 +546,24 @@
PassCredentials=Takes a boolean
value. This controls the SO_PASSCRED
- socket option, which allows UNIX sockets to
+ socket option, which allows AF_UNIX sockets to
receive the credentials of the sending
process in an ancillary message.
Defaults to
.
+
+ PassSecurity=
+ Takes a boolean
+ value. This controls the SO_PASSSEC
+ socket option, which allows AF_UNIX
+ sockets to receive the security
+ context of the sending process in an
+ ancillary message. Defaults to
+ .
+
+
TCPCongestion=Takes a string
@@ -552,9 +581,9 @@
ExecStartPost=Takes one or more
command lines, which are executed
- before (resp. after) the listening
+ before or after the listening
sockets/FIFOs are created and
- bound. The first token of the command
+ bound, respectively. The first token of the command
line must be an absolute file name,
then followed by arguments for the
process. Multiple command lines may be
@@ -568,9 +597,9 @@
ExecStopPre=ExecStopPost=Additional commands
- that are executed before (resp. after)
+ that are executed before or after
the listening sockets/FIFOs are closed
- and removed. Multiple command lines
+ and removed, respectively. Multiple command lines
may be specified following the same
scheme as used for
ExecStartPre= of
@@ -592,7 +621,7 @@
will be terminated forcibly via
SIGTERM, and after another delay of
this time with SIGKILL. (See
- below.)
+ in systemd.kill5.)
Takes a unit-less value in seconds, or
a time span value such as "5min
20s". Pass 0 to disable the timeout
@@ -600,41 +629,6 @@
90s.
-
- KillMode=
- Specifies how
- processes of this socket unit shall be
- killed. One of
- ,
- ,
- .
-
- This option is mostly equivalent
- to the
- option of service files. See
- systemd.service5
- for details.
-
-
-
- KillSignal=
- Specifies which signal
- to use when killing a process of this
- socket. Defaults to SIGTERM.
-
-
-
-
- SendSIGKILL=
- Specifies whether to
- send SIGKILL to remaining processes
- after a timeout, if the normal
- shutdown procedure left processes of
- the socket around. Takes a boolean
- value. Defaults to "yes".
-
-
-
Service=Specifies the service
@@ -647,6 +641,13 @@
+
+ Check
+ systemd.exec5
+ and
+ systemd.kill5
+ for more settings.
+
@@ -656,6 +657,7 @@
systemctl8,
systemd.unit5,
systemd.exec5,
+ systemd.kill5,
systemd.service5