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diff --git a/man/systemd.service.xml b/man/systemd.service.xml
index 70c1d1e5f..0b5edb856 100644
--- a/man/systemd.service.xml
+++ b/man/systemd.service.xml
@@ -129,25 +129,27 @@
configured with
ExecStart= is the
main process of the service. In this
- mode, communication channels must be
- installed before the daemon is started
- up (e.g. sockets set up by systemd,
- via socket activation), as systemd
- will immediately proceed starting
- follow-up units.
+ mode, if the process offers
+ functionality to other processes on
+ the system its communication channels
+ should be installed before the daemon
+ is started up (e.g. sockets set up by
+ systemd, via socket activation), as
+ systemd will immediately proceed
+ starting follow-up units.
If set to
it is
expected that the process configured
with ExecStart=
- will start up and call
- fork(). The
- parent process is expected to finish
- when start-up is complete and all
- communication channels set up. The
- child continues to run as the main
- daemon process. This is the behaviour
- of traditional UNIX daemons. If this
+ will call fork()
+ as part of its start-up. The parent process is
+ expected to exit when start-up is
+ complete and all communication
+ channels set up. The child continues
+ to run as the main daemon
+ process. This is the behaviour of
+ traditional UNIX daemons. If this
setting is used, it is recommended to
also use the
PIDFile= option, so
@@ -162,7 +164,7 @@
to , however
it is expected that the process has to
exit before systemd starts follow-up
- units. ValidNoProcess=
+ units. RemainAfterExit=
is particularly useful for this type
of service.
@@ -176,9 +178,9 @@
will proceed starting follow-up units
after the D-Bus bus name has been
acquired. Service units with this
- option configured implicitly have
+ option configured implicitly gain
dependencies on the
- dbus.target
+ dbus.socket
unit.
Behaviour of
@@ -193,17 +195,17 @@
notification message has been sent. If
this option is used
NotifyAccess= (see
- below) must be set to open access to
+ below) should be set to open access to
the notification socket provided by
systemd. If
NotifyAccess= is not
- set, it will be implicitly set to
+ set, it will implicitly be set to
.
- ValidNoProcess=
+ RemainAfterExit=Takes a boolean value
that specifies whether the service
@@ -213,6 +215,30 @@
+
+ GuessMainPID=
+
+ Takes a boolean value
+ that specifies whether systemd should
+ try to guess the main PID of a service
+ should if it cannot be determined
+ reliably. This option is ignored
+ unless
+ is set and
+ is unset because for the other types
+ or with an explicitly configured PID
+ file the main PID is always known. The
+ guessing algorithm might come to
+ incorrect conclusions if a daemon
+ consists of more than one process. If
+ the main PID cannot be determined
+ failure detection and automatic
+ restarting of a service will not work
+ reliably. Defaults to
+ .
+
+
+
PIDFile=
@@ -221,7 +247,11 @@
daemon. Use of this option is
recommended for services where
Type= is set to
- .
+ . systemd will
+ read the PID of the main process of
+ the daemon after start-up of the
+ service. systemd will not write to the
+ file configured here.
@@ -250,38 +280,59 @@
arguments for the process. It is
mandatory to set this option for all
services. This option may not be
- specified more than once. Optionally,
- if the absolute file name is prefixed
- with @, the second
- token will be passed as
+ specified more than once, except when
+ Type=oneshot is
+ used in which case more than one
+ ExecStart= line is
+ accepted which are then invoked one by
+ one, sequentially in the order they
+ appear in the unit file.
+
+ Optionally, if the absolute file
+ name is prefixed with
+ @, the second token
+ will be passed as
argv[0] to the
executed process, followed by the
further arguments specified. If the
first token is prefixed with
- - an error code of
+ - an exit code of
the command normally considered a
- failure is ignored and considered
- success. If both -
- and @ are used for
- the same command the latter must
- preceed the latter. Unless
+ failure (i.e. non-zero exit status or
+ abnormal exit due to signal) is ignored
+ and considered success. If both
+ - and
+ @ are used for the
+ same command the former must precede
+ the latter. Unless
Type=forking is
set, the process started via this
command line will be considered the
main process of the daemon. The
command line accepts % specifiers as
described in
- systemd.unit5. On
- top of that basic environment variable
- substitution is supported, where
- ${FOO} is replaced
- by the string value of the environment
- variable of the same name. Also
- $FOO may appear as
- seperate word on the command line in
- which case the variable is replaced by
- its value split at
- whitespaces.
+ systemd.unit5.
+
+ On top of that basic environment
+ variable substitution is
+ supported. Use
+ ${FOO} as part of a
+ word, or as word of its own on the
+ command line, in which case it will be
+ replaced by the value of the
+ environment variable including all
+ whitespace it contains, resulting in a
+ single argument. Use
+ $FOO as a separate
+ word on the command line, in which
+ case it will be replaced by the value
+ of the environment variable split up
+ at whitespace, resulting in no or more
+ arguments. Note that the first
+ argument (i.e. the program to execute)
+ may not be a variable, and must be a
+ literal and absolute path
+ name.
@@ -292,14 +343,14 @@
the command in
ExecStart=. Multiple
command lines may be concatenated in a
- single directive, by seperating them
+ single directive, by separating them
by semicolons (these semicolons must
- be passed as seperate words). In that
+ be passed as separate words). In that
case, the commands are executed one
after the other,
serially. Alternatively, these
directives may be specified more than
- once whith the same effect. However,
+ once with the same effect. However,
the latter syntax is not recommended
for compatibility with parsers
suitable for XDG
@@ -329,7 +380,7 @@
daemon, and may be used for command
lines like the following:
/bin/kill -HUP
- $(MAINPID).
+ $MAINPID.
@@ -353,7 +404,7 @@
requested. Specifier and environment
variable substitution is supported
(including
- $(MAINPID), see
+ $MAINPID, see
above).
@@ -405,25 +456,52 @@
time span value such as "5min
20s". Pass 0 to disable the timeout
logic. Defaults to
- 60s.
+ 90s.
+
+
+
+ WatchdogSec=
+ Configures the watchdog
+ timeout for a service. This is activated
+ when the start-up is completed. The service
+ must call
+ sd_notify3
+ regularly with "WATCHDOG=1". If the time
+ between two such calls is larger than
+ the configured time then the service
+ enters a failure state. By setting
+ Restart=
+ to or
+ the service can
+ be restarted. Defaults to 0s, which
+ disables this feature.Restart=Configures whether the
- main service process shall be restarted when
- it exists. Takes one of
- ,
- or
- . If
- set to (the
- default) the service will not be
- restarted when it exits. If set to
- it
- will be restarted only when it exited
- cleanly, i.e. terminated with an exit
- code of 0. If set to
- the
+ main service process shall be
+ restarted when it exits. Takes one of
+ ,
+ ,
+ ,
+ or
+ . If set to
+ (the default) the
+ service will not be restarted when it
+ exits. If set to
+ it will be
+ restarted only when it exited cleanly,
+ i.e. terminated with an exit code of
+ 0. If set to
+ it will be
+ restarted only when it exited with an
+ exit code not equalling 0, or when
+ terminated by a signal. If set to
+ it will be
+ restarted only if it exits due to
+ reception of an uncaught signal. If
+ set to the
service will be restarted regardless
whether it exited cleanly or not, or
got terminated abnormally by a
@@ -506,7 +584,6 @@
processes of this service shall be
killed. One of
,
- ,
,
.
@@ -518,10 +595,6 @@
stop command (as configured with
ExecStop=) is
executed. If set to
- only
- the members of the process group of
- the main service process are
- killed. If set to
only the main
process itself is killed. If set to
no process is
@@ -533,20 +606,44 @@
group and the control group continues
to exist after stop unless it is
empty. Defaults to
- .
+ .
Processes will first be
- terminated via SIGTERM. If then after
- a delay (configured via the
+ terminated via SIGTERM (unless the
+ signal to send is changed via
+ KillSignal=). If
+ then after a delay (configured via the
TimeoutSec= option)
processes still remain, the
termination request is repeated with
- the SIGKILL signal. See
+ the SIGKILL signal (unless this is
+ disabled via the
+ SendSIGKILL=
+ option). See
kill2
for more
information.
+
+ KillSignal=
+ Specifies which signal
+ to use when killing a
+ service. Defaults to SIGTERM.
+
+
+
+
+ SendSIGKILL=
+ Specifies whether to
+ send SIGKILL to remaining processes
+ after a timeout, if the normal
+ shutdown procedure left processes of
+ the service around. Takes a boolean
+ value. Defaults to "yes".
+
+
+
NonBlocking=Set O_NONBLOCK flag
@@ -573,7 +670,7 @@
or
. If
no daemon status
- updates are accepted by the service
+ updates are accepted from the service
processes, all status update messages
are ignored. If
only service updates sent from the
@@ -587,6 +684,60 @@
Type=notify (see above).
+
+ Sockets=
+ Specifies the name of
+ the socket units this service shall
+ inherit the sockets from when the
+ service is started. Normally it
+ should not be necessary to use this
+ setting as all sockets whose unit
+ shares the same name as the service
+ (ignoring the different suffix of course)
+ are passed to the spawned
+ process.
+
+ Note that the same socket may be
+ passed to multiple processes at the
+ same time. Also note that a different
+ service may be activated on incoming
+ traffic than inherits the sockets. Or
+ in other words: The
+ Service= setting of
+ .socket units
+ doesn't have to match the inverse of the
+ Sockets= setting of
+ the .service it
+ refers to.
+
+
+
+ FsckPassNo=
+ Set the fsck passno
+ priority to use to order this service
+ in relation to other file system
+ checking services. This option is only
+ necessary to fix ordering in relation
+ to fsck jobs automatically created for
+ all /etc/fstab
+ entries with a value in the fs_passno
+ column > 0. As such it should only be
+ used as option for fsck
+ services. Almost always it is a better
+ choice to add explicit ordering
+ directives via
+ After= or
+ Before=,
+ instead. For more details see
+ systemd.unit5. If
+ used, pass an integer value in the
+ same range as
+ /etc/fstab's
+ fs_passno column. See
+ fstab5
+ for details.
+
+