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Commit Graph

26 Commits

Author SHA1 Message Date
Lennart Poettering
8742514c1a timer: recalculate next elapse for calendar timer units when the system clock is changed 2012-11-25 00:33:59 +01:00
Lennart Poettering
36697dc019 timer: implement calendar time events 2012-11-23 21:37:58 +01:00
Lennart Poettering
3ef63c3174 unit-printf: before resolving exec context specifiers check whether the object actually has an exec context 2012-09-18 11:40:01 +02:00
Lennart Poettering
41f9172f42 unit: split unit_printf() and friends into its own .c file 2012-09-18 11:27:56 +02:00
Thomas Hindoe Paaboel Andersen
c53158818d man: fix a bunch of typos in docs
https://bugs.freedesktop.org/show_bug.cgi?id=54501
2012-09-13 19:34:24 +02:00
Michal Sekletar
85e9a1010d systemd: added new dependency PartOf
This should address TODO item "new dependency type to "group" services
in a target". Semantic of new dependency is as follows. Once configured
it creates dependency which will cause that all dependent units get
stopped if unit they all depend on is stopped or restarted.  Usual use
case would be configuring PartOf=some.target in template unit file
and WantedBy=some.target in [Install] section and enabling desired
number of instances. In this case starting one instance won't pull in
target but stopping or starting target(in case of WantedBy is properly
configured) will cause stop/start of all instances.
2012-07-26 09:16:43 +02:00
Lennart Poettering
cba6e0627d units: apply default resource limits to socket/mount/swap processes too 2012-07-20 00:10:32 +02:00
Lennart Poettering
c74f17d96c core: drop KillMode parameter from KillUnit() bus call
It made no sense, and since we are documenting the bus calls now and
want to include them in our stability promise we really should get it
cleaned up sooner, not later.
2012-07-20 00:10:32 +02:00
Shawn Landden
c2f1db8f83 use #pragma once instead of foo*foo #define guards
#pragma once has been "un-deprecated" in gcc since 3.3, and is widely supported
in other compilers.

I've been using and maintaining (rebasing) this patch for a while now, as
it annoyed me to see #ifndef fooblahfoo, etc all over the place,
almost arrogant about the annoyance of having to define all these names to
perform a commen but neccicary functionality, when a completely superior
alternative exists.

I havn't sent it till now, cause its kindof a style change, and it is bad
voodoo to mess with style that has been established by more established
editors. So feel free to lambast me as a crazy bafoon.

v2 - preserve externally used headers
2012-07-19 12:30:59 +02:00
Lennart Poettering
6b78f9b435 unit: don't serialize job state, only unit state across switch-root 2012-07-18 01:46:52 +02:00
Lennart Poettering
e06c73cc91 unit: set default working directory to the user's home directory when running in user mode 2012-07-16 12:44:42 +02:00
Ville Skyttä
49f43d5f91 Spelling fixes. 2012-07-16 12:16:29 +02:00
Kay Sievers
d0bfe5243a unit: avoid re-definition of enum for older gcc versions
<koen> | ./src/shared/unit-name.h:29:23: error: redefinition of typedef 'UnitType'
<koen> | ./src/core/unit.h:30:23: note: previous declaration of 'UnitType' was here
2012-07-15 15:53:43 +02:00
Lennart Poettering
7f2cddae09 unit: rename BindTo= to BindsTo=
all other dependencies are in 3rd person. Change BindTo= accordingly to
BindsTo=.

Of course, the dependency is widely used, hence we parse the old name
too for compatibility.
2012-07-13 23:34:40 +02:00
Zbigniew Jędrzejewski-Szmek
f69614f811 unit: Move UnitLoadState definitions from core/unit.c to shared/unit-name.c
This makes it possible to use them from systemctl without linking
against the core.
2012-07-10 17:18:49 +02:00
Lennart Poettering
bcbe497e5a unit: get rid of UnitVTable.suffix, which is now unused 2012-07-10 17:16:50 +02:00
Lennart Poettering
5f73969991 unit-name: remove unit_name_is_valid_no_type() and move unit_name_is_valid() to unit-name.h 2012-07-10 17:07:32 +02:00
Zbigniew Jędrzejewski-Szmek
0a9f8ed00c unit: Move UnitType definitions from core/unit.c to shared/unit-name.c
This makes it possible to use them from systemctl without linking
against the core. A string->enum lookup table is added.
2012-07-10 16:48:08 +02:00
Lennart Poettering
1b64d026af units: remove service sysv_path variable and replace it by generic unit_path
UnitPath= is also writable via native units and may be used by generators
to clarify from which file a unit is generated. This patch also hooks up
the cryptsetup and fstab generators to set UnitPath= accordingly.
2012-05-22 23:08:24 +02:00
Lennart Poettering
49dbfa7b2b units: introduce new Documentation= field and make use of it everywhere
This should help making the boot process a bit easier to explore and
understand for the administrator. The simple idea is that "systemctl
status" now shows a link to documentation alongside the other status and
decriptionary information of a service.

This patch adds the necessary fields to all our shipped units if we have
proper documentation for them.
2012-05-21 15:14:51 +02:00
Michal Schmidt
c69182961b unit: unit type dependent status messages
Instead of generic "Starting..." and "Started" messages for all unit use
type-dependent messages. For example, mounts will announce "Mounting..."
and "Mounted".

Add status messages to units of types that used to be entirely silent
(automounts, sockets, targets, devices). For unit types whose jobs are
instantaneous, report only the job completion, not the starting event.
Socket units with non-instantaneous jobs are rare (Exec*= is not used
often in socket units), so I chose not to print the starting messages
for them either.

This will hopefully give people better understanding of the boot.
2012-05-14 14:29:53 +02:00
Lennart Poettering
7c8fa05c4d unit: add new dependency type RequiresMountsFor=
RequiresMountsFor= is a shortcut for adding requires and after
dependencies to all mount units neeed for the specified paths.

This solves a couple of issues regarding dep loop cycles for encrypted
swap.
2012-04-30 10:52:07 +02:00
Michal Schmidt
e0209d83e7 core: add NOP jobs, job type collapsing
Two of our current job types are special:
JOB_TRY_RESTART, JOB_RELOAD_OR_START.

They differ from other job types by being sensitive to the unit active state.
They perform some action when the unit is active and some other action
otherwise. This raises a question: when exactly should the unit state be
checked to make the decision?

Currently the unit state is checked when the job becomes runnable. It's more
sensible to check the state immediately when the job is added by the user.
When the user types "systemctl try-restart foo.service", he really intends
to restart the service if it's running right now. If it isn't running right
now, the restart is pointless.

Consider the example (from Bugzilla[1]):

sleep.service takes some time to start.
hello.service has After=sleep.service.
Both services get started. Two jobs will appear:
 hello.service/start  waiting
 sleep.service/start  running
Then someone runs "systemctl try-restart hello.service".

Currently the try-restart operation will block and wait for
sleep.service/start to complete.

The correct result is to complete the try-restart operation immediately
with success, because hello.service is not running. The two original
jobs must not be disturbed by this.

To fix this we introduce two new concepts:
- a new job type: JOB_NOP
  A JOB_NOP job does not do anything to the unit. It does not pull in any
  dependencies. It is always immediately runnable. When installed to a unit,
  it sits in a special slot (u->nop_job) where it never conflicts with
  the installed job (u->job) of a different type. It never merges with jobs
  of other types, but it can merge into an already installed JOB_NOP job.

- "collapsing" of job types
  When a job of one of the two special types is added, the state of the unit
  is checked immediately and the job type changes:
  JOB_TRY_RESTART     -> JOB_RESTART or JOB_NOP
  JOB_RELOAD_OR_START -> JOB_RELOAD or JOB_START
  Should a job type JOB_RELOAD_OR_START appear later during job merging, it
  collapses immediately afterwards.
  Collapsing actually makes some things simpler, because there are now fewer
  job types that are allowed in the transaction.

[1] Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=753586
2012-04-25 18:38:27 +02:00
Michal Schmidt
39a18c60d0 job: serialize jobs properly
Jobs were not preserved correctly over a daemon-reload operation.
A systemctl process waiting for a job completion received a job removal
signal. The job itself changed its id. The job timeout started ticking all
over again.

This fixes the deficiencies.
2012-04-24 01:54:15 +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
Kay Sievers
b30e2f4c18 move libsystemd_core.la sources into core/ 2012-04-11 16:03:51 +02:00