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Commit Graph

51 Commits

Author SHA1 Message Date
Jouke Witteveen
15d167f8a3 core: propagate reload from RELOADING=1 notification (#6550) 2017-08-07 11:27:24 +02:00
Lennart Poettering
3ceb72e558 core: permit FDSTORE=1 messages with non-pollable fds
This also alters the documentation to recommend memfds rather than /run
for serializing state across reboots. That's because /run doesn't
actually have the same lifecycle as the fd store, as it is cleared out
on restarts.

Fixes: #5606
2017-06-26 15:14:41 +02:00
Lennart Poettering
b3bb64767a man: document that sd_notify() is racy in some cases 2017-02-06 18:21:27 +01:00
Zbigniew Jędrzejewski-Szmek
1eecafb8c1 man: use unicode ellipsis in more places
As requested in
https://github.com/systemd/systemd/pull/4864#pullrequestreview-12372557.

docbook will substitute triple dots for the ellipsis in man output, so this has
no effect on the troff output, only on HTML, making it infinitesimally nicer.

In some places we show output from programs, which use dots, and those places
should not be changed. In some tables, the alignment would change if dots were
changed to the ellipsis which is only one character. Since docbook replaces the
ellipsis automatically, we should leave those be. This patch changes all other
places.
2016-12-11 17:13:19 -05:00
Zbigniew Jędrzejewski-Szmek
99bdcdc7fc man: add a note that FDSTORE=1 requires epoll-compatible fds
Let's say that this was not obvious from our man page.
2016-10-28 22:45:05 -04:00
Minkyung
2787d83c28 watchdog: Support changing watchdog_usec during runtime (#3492)
Add sd_notify() parameter to change watchdog_usec during runtime.

Application can change watchdog_usec value by
sd_notify like this. Example. sd_notify(0, "WATCHDOG_USEC=20000000").

To reset watchdog_usec as configured value in service file,
restart service.

Notice.
sd_event is not currently supported. If application uses
sd_event_set_watchdog, or sd_watchdog_enabled, do not use
"WATCHDOG_USEC" option through sd_notify.
2016-06-22 13:26:05 +02:00
Jakub Wilk
7f3fdb7f19 man: fix typos 2015-12-26 20:37:17 +01:00
Jan Engelhardt
a8eaaee72a doc: correct orthography, word forms and missing/extraneous words 2015-11-06 13:45:21 +01:00
Jan Engelhardt
b938cb902c doc: correct punctuation and improve typography in documentation 2015-11-06 13:00:02 +01:00
David Strauss
3122633a91 man: Drop "internally," which is misleading
The existing text misleads readers into thinking how the notify socket protocol is "internals" and that they can only use the functions. However, the socket is part of the Interface Stability Promise. So, we should drop "internally" from the description so the man page both indicates both how the functions work and how one would talk to the socket directly.
2015-11-02 17:19:26 -08:00
Lennart Poettering
8dd4c05b54 core: add support for naming file descriptors passed using socket activation
This adds support for naming file descriptors passed using socket
activation. The names are passed in a new $LISTEN_FDNAMES= environment
variable, that matches the existign $LISTEN_FDS= one and contains a
colon-separated list of names.

This also adds support for naming fds submitted to the per-service fd
store using FDNAME= in the sd_notify() message.

This also adds a new FileDescriptorName= setting for socket unit files
to set the name for fds created by socket units.

This also adds a new call sd_listen_fds_with_names(), that is similar to
sd_listen_fds(), but also returns the names of the fds.

systemd-activate gained the new --fdname= switch to specify a name for
testing socket activation.

This is based on #1247 by Maciej Wereski.

Fixes #1247.
2015-10-06 11:52:48 +02:00
Jay Strict
1d3eaa9361 man: remove repeated word "the" and polish 2015-06-29 21:20:02 +02:00
Tom Gundersen
12b42c7667 man: revert dynamic paths for split-usr setups
This did not really work out as we had hoped. Trying to do this upstream
introduced several problems that probably makes it better suited as a
downstream patch after all. At any rate, it is not releaseable in the
current state, so we at least need to revert this before the release.

 * by adjusting the path to binaries, but not do the same thing to the
   search path we end up with inconsistent man-pages. Adjusting the search
   path too would be quite messy, and it is not at all obvious that this is
   worth the effort, but at any rate it would have to be done before we
   could ship this.

 * this means that distributed man-pages does not make sense as they depend
   on config options, and for better or worse we are still distributing
   man pages, so that is something that definitely needs sorting out before
   we could ship with this patch.

 * we have long held that split-usr is only minimally supported in order
   to boot, and something we hope will eventually go away. So before we start
   adding even more magic/effort in order to make this work nicely, we should
   probably question if it makes sense at all.
2015-06-18 19:47:44 +02:00
Filipe Brandenburger
681eb9cf2b man: generate configured paths in manpages
In particular, use /lib/systemd instead of /usr/lib/systemd in distributions
like Debian which still have not adopted a /usr merge setup.

Use XML entities from man/custom-entities.ent to replace configured paths while
doing XSLT processing of the original XML files. There was precedent of some
files (such as systemd.generator.xml) which were already using this approach.

This addresses most of the (manual) fixes from this patch:
http://anonscm.debian.org/cgit/pkg-systemd/systemd.git/tree/debian/patches/Fix-paths-in-man-pages.patch?h=experimental-220

The idea of using generic XML entities was presented here:
http://lists.freedesktop.org/archives/systemd-devel/2015-May/032240.html

This patch solves almost all the issues, with the exception of:
- Path to /bin/mount and /bin/umount.
- Generic statements about preference of /lib over /etc.

These will be handled separately by follow up patches.

Tested:
- With default configure settings, ran "make install" to two separate
  directories and compared the output to confirm they matched exactly.
- Used a set of configure flags including $CONFFLAGS from Debian:
  http://anonscm.debian.org/cgit/pkg-systemd/systemd.git/tree/debian/rules
  Installed the tree and confirmed the paths use /lib/systemd instead of
  /usr/lib/systemd and that no other unexpected differences exist.
- Confirmed that `make distcheck` still passes.
2015-05-28 19:28:19 +02:00
Zbigniew Jędrzejewski-Szmek
798d3a524e Reindent man pages to 2ch 2015-02-03 23:11:35 -05:00
Torstein Husebø
cc98b3025e treewide: fix multiple typos 2015-01-26 10:39:47 -05:00
Lennart Poettering
a354329f72 core: add new logic for services to store file descriptors in PID 1
With this change it is possible to send file descriptors to PID 1, via
sd_pid_notify_with_fds() which PID 1 will store individually for each
service, and pass via the usual fd passing logic on next invocation.
This is useful for enable daemon reload schemes where daemons serialize
their state to /run, push their fds into PID 1 and terminate, restoring
their state on next start from the data in /run and passed in from PID
1.

The fds are kept by PID 1 as long as no POLLHUP or POLLERR is seen on
them, and the service they belong to are either not dead or failed, or
have a job queued.
2015-01-06 03:16:39 +01:00
Zbigniew Jędrzejewski-Szmek
a9becdd65b sd-daemon,man: ignore missing $WATCHDOG_PID
Systemd 209 started setting $WATCHDOG_PID, and sd-daemon watch was
modified to check for this variable. This means that
sd_watchdog_enabled() stopped working with previous versions of
systemd. But sd-event is a public library and API and we must keep it
working even when a program compiled with a newer version of the
libary is used on a system running an older version of the manager.

getenv() and unsetenv() are fairly expensive calls, so optimize
sd_watchdog_enabled() by not calling them when unnecessary.

man: centralize the description of $WATCHDOG_PID and $WATCHDOG_USEC in
the sd_watchdog_enabled manpage. It is better not to repeat the same
stuff in two places.
2014-10-23 00:17:18 -04:00
Lennart Poettering
308d72dc1e core: allow informing systemd about service status changes with RELOADING=1 and STOPPING=1 sd_notify() messages 2014-08-21 17:24:21 +02:00
Zbigniew Jędrzejewski-Szmek
6a70f3aa63 man: xinclude pkg-config note 2014-02-20 22:43:27 -05:00
Lennart Poettering
26e3ff59a6 man: don't advertise sd-daemon as embeddable anymore
It's now part of libsystemd, and should be used like any other API.
2014-02-19 18:20:12 +01:00
Jan Engelhardt
b040723ea4 man: improvements to comma placement
This is a recurring submission and includes corrections to:
comma placement.
2013-12-25 22:53:46 -05:00
Jan Engelhardt
494a668218 man: resolve word omissions
This is a recurring submission and includes corrections to:
word omissions and word class choice.
2013-12-25 22:53:45 -05:00
Lennart Poettering
09812eb764 sd-daemon: introduce sd_watchdog_enabled() for parsing $WATCHDOG_USEC
Also, introduce a new environment variable named $WATCHDOG_PID which
cotnains the PID of the process that is supposed to send the keep-alive
events. This is similar how $LISTEN_FDS and $LISTEN_PID work together,
and protects against confusing processes further down the process tree
due to inherited environment.
2013-12-22 22:19:03 +01:00
Jan Engelhardt
7964042405 man: wording and grammar updates
This is a recurring submission and includes corrections to various
issue spotted. I guess I can just skip over reporting ubiquitous
comma placement fixes…

Highligts in this particular commit:
- the "unsigned" type qualifier is completed to form a full type
  "unsigned int"
- alphabetic -> lexicographic (that way we automatically define how
  numbers get sorted)
2013-09-12 22:09:57 +02:00
Jan Engelhardt
6b4991cfde man: wording and grammar updates
This includes regularly-submitted corrections to comma setting and
orthographical mishaps that appeared in man/ in recent commits.

In this particular commit:
- the usual comma fixes
- expand contractions (this is prose)
2013-09-10 18:34:41 +02:00
Zbigniew Jędrzejewski-Szmek
05cc726731 man: add more formatting markup 2013-07-02 23:06:22 -04:00
Jason St. John
1e158d273b man: fix spacing issue in various man pages
Before: libsystemd-daemonpkg-config(1)
After: libsystemd-daemon pkg-config(1)

This fix is more complicated than it should be due to the consecutive
XML elements separated by collapsible whitespace.

Merging the lines and separating the XML elements with an en space or a
non-breaking space is the only solution that results in one, and only
one, space being inserted between them when testing. An em space results
in two spaces being inserted.
2013-06-29 10:28:57 -04:00
Zbigniew Jędrzejewski-Szmek
74d005783e man: use <constant> for various constants which look ugly with quotes 2013-06-26 19:47:34 -04:00
Zbigniew Jędrzejewski-Szmek
ccc9a4f9ff man: extend systemd.directives(7) to all manual pages
New sections are added: PAM options, crypttab options, commandline
options, miscellaneous. The last category will be used for all
untagged <varname> elements.

Commandline options sections is meant to be a developer tool: when
adding an option it is sometimes useful to be able to check if
similarly named options exist elsewhere.
2013-01-26 11:36:53 -05:00
Thomas Hindoe Paaboel Andersen
bb31a4ac19 man: typo fixes
https://bugs.freedesktop.org/show_bug.cgi?id=55890

Fixed typos, serial comma, and removed "either" as there were more
than two options. Also did an extra rename of "system-shutdown"
to "systemd-shutdown" that was forgotten in commit
8bd3b8620c
2012-10-26 00:16:47 +02:00
Andrew Eikum
16dad32e43 Reword sentences that contain psuedo-English "resp."
As you likely know, Arch Linux is in the process of moving to systemd.
So I was reading through the various systemd docs and quickly became
baffled by this new abbreviation "resp.", which I've never seen before
in my English-mother-tongue life.

Some quick Googling turned up a reference:
<http://www.transblawg.eu/index.php?/archives/870-Resp.-and-other-non-existent-English-wordsNicht-existente-englische-Woerter.html>

I guess it's a literal translation of the German "Beziehungsweise", but
English doesn't work the same way. The word "respectively" is used
exclusively to provide an ordering connection between two lists. E.g.
"the prefixes k, M, and G refer to kilo-, mega-, and giga-,
respectively." It is also never abbreviated to "resp." So the sentence
"Sets the default output resp. error output for all services and
sockets" makes no sense to a natural English speaker.

This patch removes all instances of "resp." in the man pages and
replaces them with sentences which are much more clear and, hopefully,
grammatically valid. In almost all instances, it was simply replacing
"resp." with "or," which the original author (Lennart?) could probably
just do in the future.

The only other instances of "resp." are in the src/ subtree, which I
don't feel privileged to correct.

Signed-off-by: Andrew Eikum <aeikum@codeweavers.com>
2012-10-16 01:03:01 +02:00
Eelco Dolstra
0675cc4a02 daemon: Fix broken links to sd-daemon.c 2012-09-13 20:08:54 +02:00
Lennart Poettering
34511ca7b1 man: reword man page titles
Make sure the man page titles are similar in style and capitalization so
that our man page index looks pretty.
2012-07-16 18:08:25 +02:00
Lennart Poettering
cb07866b1b man: move header file man pages from section 7 to 3
This way we can include documentation about minor macros/inline function
within the introducionary man page in a sane way.
2012-07-13 01:50:05 +02:00
Lennart Poettering
dac051ad68 man: extend watchdog docs a bit 2012-06-28 00:24:49 +02:00
Lennart Poettering
5430f7f2bc relicense to LGPLv2.1 (with exceptions)
We finally got the OK from all contributors with non-trivial commits to
relicense systemd from GPL2+ to LGPL2.1+.

Some udev bits continue to be GPL2+ for now, but we are looking into
relicensing them too, to allow free copy/paste of all code within
systemd.

The bits that used to be MIT continue to be MIT.

The big benefit of the relicensing is that closed source code may now
link against libsystemd-login.so and friends.
2012-04-12 00:24:39 +02:00
Michael Biebl
a26c9cc604 Fix broken Git repository URLs 2012-02-13 17:49:09 +01:00
Michael Olbrich
a6927d7ffc service: add watchdog timestamp
This patch adds WatchdogTimestamp[Monotonic] to the systemd service
D-Bus API. The timestamp is updated to the current time when the
service calls 'sd_nofity("WATCHDOG=1\n")'.
Using a timestamp instead of an 'alive' flag has two advantages:
1. No timeout is needed to define when a service is no longer alive.
   This simplifies both configuration (no timeout value) and
   implementation (no timeout event).
2. It is more robust. A 'dead' service might not be detected should
    systemd 'forget' to reset an 'alive' flag. It is much less likely
    to get a valid new timestamp if a service died.
2012-02-01 19:29:19 +01:00
Lennart Poettering
8ab49c12dc headers: fix git URLs for source files 2012-01-05 18:25:36 +01:00
Lennart Poettering
dc1ecd78e9 Merge branch 'journal' 2011-12-31 00:59:37 +01:00
Lennart Poettering
a822cbfa2e sd-daemon: fix #include lines since we now ship a shared library 2011-12-19 13:11:42 +01:00
Michal Schmidt
9f84624270 man: fix typo in sd_notify
Noticed by guzu.
2011-11-11 10:48:17 +01:00
Lennart Poettering
71e6c1cf47 man: document that sd-daemon.[ch] is now available as shared library 2011-09-22 21:16:52 +02:00
Michael Biebl
96d4ce0110 man: Fix small typo: s/seperate/separate/ 2010-09-06 03:13:14 +02:00
Conrad Meyer
ad678a066b man: minor edits to daemon, sd_listen_fds, sd_notify, systemctl, systemd.exec, systemd, and systemd.timer pages
Just some minor grammar fixes.
2010-07-07 03:40:12 +02:00
Kay Sievers
af62c70405 man: various fixes 2010-06-25 00:04:29 +02:00
Kay Sievers
436c44a5d6 man: spelling fixes 2010-06-24 17:25:16 +02:00
Lennart Poettering
7874bcd602 man: extend manual page documentation 2010-06-24 03:09:36 +02:00
Lennart Poettering
160cd5c9aa man: add more man pages 2010-06-24 00:11:04 +02:00