Age | Commit message (Collapse) | Author |
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This should be handled fine now by .dir-locals.el, so need to carry that
stuff in every file.
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This commit changes the mapping of the BUS_ERROR_UNIT_MASKED error to ESHUTDOWN. This error is used whenever the
transaction engine is asked to operate on a masked unit. ESHUTDOWN is what is used for the similar case when the unit
file enable/disable logic hits a masked unit file, hence is a natural candidate to be used here too.
Background: before this patch both "job type not applicable" and "unit masked" where mapped to EBADR, which
transaction_add_job_and_dependencies() then checked for. It actually wanted to check exclusively for the former error
condition, not the latter but due to the same mapping this failed to work.
This patch semi-undoes an accidental change made in caffa4ef700fdd0eadd6c0b2ef9925611672a1bc, however restores the
error number to ESHUTDOWN instead of the original ENOSYS (for the reasons indicated above).
To make this easier to grok for the future, I added comments to explaining which error conditions are checked for.
Fixes: #2315
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Otherwise we might end up generating jobs that fail immediately.
This follows the same logic that restart propagation follows.
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core: use bus_unit_check_load_state() in transaction_add_job_and_depe…
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If a unit was pulled by a Wants= dependency but its unit file was not
present then we logged this as an error.
However Wants= might be used to configure a soft/optional dependency
on another unit, ie. start an optional service only if it's installed
otherwise simply skip it. In this case emitting an error doesn't look
appropriate.
But it's still an error if the optional dependency exists but its
activation fails for any reasons.
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When masking is used to prevent a unit from being loaded,
every transaction with dependent units would generate a warning.
Downgrade this warning to debug level.
transaction_add_job_and_dependencies only generated a few return
values found in the table in bus_common_errors.c, and EADDRNOTAVAIL
is not one of them, so do not try to suppress EADDRNOTAVAIL.
https://bugzilla.redhat.com/show_bug.cgi?id=1278264
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Sort the includes accoding to the new coding style.
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Now that we don't have RequiresOverridable= and RequisiteOverridable=
dependencies anymore, we can get rid of tracking the "override" boolean
for jobs in the job engine, as it serves no purpose anymore.
While we are at it, fix some error messages we print when invoking
functions that take the override parameter.
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As discussed at systemd.conf 2015 and on also raised on the ML:
http://lists.freedesktop.org/archives/systemd-devel/2015-November/034880.html
This removes the two XyzOverridable= unit dependencies, that were
basically never used, and do not enhance user experience in any way.
Most folks looking for the functionality this provides probably opt for
the "ignore-dependencies" job mode, and that's probably a good idea.
Hence, let's simplify systemd's dependency engine and remove these two
dependency types (and their inverses).
The unit file parser and the dbus property parser will now redirect
the settings/properties to result in an equivalent non-overridable
dependency. In the case of the unit file parser we generate a warning,
to inform the user.
The dbus properties for this unit type stay available on the unit
objects, but they are now hidden from usual introspection and will
always return the empty list when queried.
This should provide enough compatibility for the few unit files that
actually ever made use of this.
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Let's underline the header line of the table shown by cgtop, how it is
customary for tables. In order to do this, let's introduce new ANSI
underline macros, and clean up the existing ones as side effect.
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value for a reason
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Patch via coccinelle.
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Turn this:
if ((r = foo()) < 0) { ...
into this:
r = foo();
if (r < 0) { ...
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restarts
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try-restart
Previously, if a service A depended on a service B via Requires=, and A
was not running and B restarted this would trigger a start of A as well,
since the restart was propagated as restart independently of the state
of A.
This patch ensures that a restart of B would be propagated as a
try-restart to A, thus not changing its state if it isn't up.
http://lists.freedesktop.org/archives/systemd-devel/2015-May/032061.html
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This reverts the primary effect of be7d9ff730cb88d7c6a869dd5c47754c78ceaef2.
After all Requisite= should be close to Requires=, without the one
exception that it doesn't pull in dependencies on start. However,
reverse deps on stop/restart should be treated the same way as for
Restart=, and this is already documented in the man page, hence stick to
it.
http://lists.freedesktop.org/archives/systemd-devel/2015-May/032049.html
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This changes log_unit_info() (and friends) to take a real Unit* object
insted of just a unit name as parameter. The call will now prefix all
logged messages with the unit name, thus allowing the unit name to be
dropped from the various passed romat strings, simplifying invocations
drastically, and unifying log output across messages. Also, UNIT= vs.
USER_UNIT= is now derived from the Manager object attached to the Unit
object, instead of getpid(). This has the benefit of correcting the
field for --test runs.
Also contains a couple of other logging improvements:
- Drops a couple of strerror() invocations in favour of using %m.
- Not only .mount units now warn if a symlinks exist for the mount
point already, .automount units do that too, now.
- A few invocations of log_struct() that didn't actually pass any
additional structured data have been replaced by simpler invocations
of log_unit_info() and friends.
- For structured data a new LOG_UNIT_MESSAGE() macro has been added,
that works like LOG_MESSAGE() but prefixes the message with the unit
name. Similar, there's now LOG_LINK_MESSAGE() and
LOG_NETDEV_MESSAGE().
- For structured data new LOG_UNIT_ID(), LOG_LINK_INTERFACE(),
LOG_NETDEV_INTERFACE() macros have been added that generate the
necessary per object fields. The old log_unit_struct() call has been
removed in favour of these new macros used in raw log_struct()
invocations. In addition to removing one more function call this
allows generated structured log messages that contain two object
fields, as necessary for example for network interfaces that are
joined into another network interface, and whose messages shall be
indexed by both.
- The LOG_ERRNO() macro has been removed, in favour of
log_struct_errno(). The latter has the benefit of ensuring that %m in
format strings is properly resolved to the specified error number.
- A number of logging messages have been converted to use
log_unit_info() instead of log_info()
- The client code in sysv-generator no longer #includes core code from
src/core/.
- log_unit_full_errno() has been removed, log_unit_full() instead takes
an errno now, too.
- log_unit_info(), log_link_info(), log_netdev_info() and friends, now
avoid double evaluation of their parameters
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This is yet another attempt to fix coldplugging order (more especially,
the problem which happens when one creates a job during coldplugging and
it references a not-yet-coldplugged unit).
Now we forcibly coldplug all units which participate in jobs. This
is a superset of previously implemented handling of the UNIT_TRIGGERS
dependencies, so that handling is removed.
http://lists.freedesktop.org/archives/systemd-devel/2015-April/031212.html
https://bugs.freedesktop.org/show_bug.cgi?id=88401 (once again)
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This patch removes includes that are not used. The removals were found with
include-what-you-use which checks if any of the symbols from a header is
in use.
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src/libsystemd/sd-bus/bus-common-errors.h
Stuff in src/shared/ should not use stuff from src/libsystemd/ really.
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It corrrectly handles both positive and negative errno values.
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As a followup to 086891e5c1 "log: add an "error" parameter to all
low-level logging calls and intrdouce log_error_errno() as log calls
that take error numbers", use sed to convert the simple cases to use
the new macros:
find . -name '*.[ch]' | xargs sed -r -i -e \
's/log_(debug|info|notice|warning|error|emergency)\("(.*)%s"(.*), strerror\(-([a-zA-Z_]+)\)\);/log_\1_errno(-\4, "\2%m"\3);/'
Multi-line log_*() invocations are not covered.
And we also should add log_unit_*_errno().
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- Rename log_meta() → log_internal(), to follow naming scheme of most
other log functions that are usually invoked through macros, but never
directly.
- Rename log_info_object() to log_object_info(), simply because the
object should be before any other parameters, to follow OO-style
programming style.
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The previous fix e0312f4db "core: fix check for transaction
destructiveness" broke test-engine (noticed by Zbyszek).
Apparently I had a wrong idea of the intended semantics of --fail.
The manpage says the operation should fail if it "conflicts with a
pending job (more specifically: causes an already pending start job to
be reversed into a stop job or vice versa)".
So let's check job_type_is_conflicting, instead of !is_superset.
This makes both test-engine and TEST-03-JOBS pass again.
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When checking if the transaction is destructive, we need to check if the
previously installed job is a superset of the new job (and hence the new
job will fold into the installed one without changing it), not the other
way around.
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This way they always show up together with 'Found ordering cycle...'.
Ordering cycles are a serious error and a major pain to debug. If
quiet is enabled, only the first and the last line of output are
shown:
systemd[1]: Found ordering cycle on basic.target/start
systemd[1]: Breaking ordering cycle by deleting job timers.target/start
systemd[1]: Job timers.target/start deleted to break ordering cycle starting with basic.target/start
which isn't particularly enlightening. So just show the whole message
at the same level.
https://bugzilla.redhat.com/show_bug.cgi?id=1158206
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I tried to preserve most errno values, but in some cases they were
inconsistent (different errno values for the same error name) or just
mismatched.
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It is redundant to store 'hash' and 'compare' function pointers in
struct Hashmap separately. The functions always comprise a pair.
Store a single pointer to struct hash_ops instead.
systemd keeps hundreds of hashmaps, so this saves a little bit of
memory.
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There's little sense in telling the user to look at the logs...
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Patch fixes some incorrect-looking code in transaction.c.
It could fix cases where Debian users with bad package configurations
had systemd go into an infinite loop printing messages about breaking an
ordering cycle, though I have not reproduced that problem myself.
transaction_verify_order_one() considers jobs/units outside current
transaction when checking whether ordering dependencies cause cycles.
It would also incorrectly try to break cycles at these jobs; this
cannot work, as the break action is to remove the job from the
transaction, which is a no-op if the job isn't part of the transaction
to begin with. The unit_matters_to_anchor() test also looks like it
would not work correctly for non-transaction jobs. Add a check to
verify that the unit is part of the transaction before considering a
job a candidate for deletion.
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=752259
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There's no point in telling the user to look at the logs when
an attempt to load the unit file failed with ENOENT.
https://bugzilla.redhat.com/show_bug.cgi?id=996133
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Also remove some debug statement that should not have been committed.
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This patch converts PID 1 to libsystemd-bus and thus drops the
dependency on libdbus. The only remaining code using libdbus is a test
case that validates our bus marshalling against libdbus' marshalling,
and this dependency can be turned off.
This patch also adds a couple of things to libsystem-bus, that are
necessary to make the port work:
- Synthesizing of "Disconnected" messages when bus connections are
severed.
- Support for attaching multiple vtables for the same interface on the
same path.
This patch also fixes the SetDefaultTarget() and GetDefaultTarget() bus
calls which used an inappropriate signature.
As a side effect we will now generate PropertiesChanged messages which
carry property contents, rather than just invalidation information.
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each invocation
We can determine the list entry type via the typeof() gcc construct, and
so we should to make the macros much shorter to use.
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The logs are unlikely to contain any useful information in this case.
Also, change "walked on cycle path" to "found dependency on", which
is less technical and indicates the direction. With the old message,
I was never sure if prior units depended on later ones, or vice versa.
https://bugzilla.redhat.com/show_bug.cgi?id=996133
https://bugzilla.redhat.com/show_bug.cgi?id=997082
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Make Type=idle communication bidirectional: when bootup is finished,
the manager, as before, signals idling Type=idle jobs to continue.
However, if the boot takes too long, idling jobs signal the manager
that they have had enough, wait a tiny bit more, and continue, taking
ownership of the console. The manager, when signalled that Type=idle
jobs are done, makes a note and will not write to the console anymore.
This is a cosmetic issue, but quite noticable, so let's just fix it.
Based on Harald Hoyer's patch.
https://bugs.freedesktop.org/show_bug.cgi?id=54247
http://unix.stackexchange.com/questions/51805/systemd-messages-after-starting-login/
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Transient units can be created via the bus API. They are configured via
the method call parameters rather than on-disk files. They are subject
to normal GC. Transient units currently may only be created for
services (however, we will extend this), and currently only ExecStart=
and the cgroup parameters can be configured (also to be extended).
Transient units require a unique name, that previously had no
configuration file on disk.
A tool systemd-run is added that makes use of this functionality to run
arbitrary command lines as transient services:
$ systemd-run /bin/ping www.heise.de
Will cause systemd to create a new transient service and run ping in it.
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I'm assuming that it's fine if a _const_ or _pure_ function
calls assert. It is assumed that the assert won't trigger,
and even if it does, it can only trigger on the first call
with a given set of parameters, and we don't care if the
compiler moves the order of calls.
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bus_error and bus_error_message_or_strerror dit almost exactly the same,
so use only one of them and place it in dbus-common.
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Like other status messages, this one too should not be printed
unconditionally, but it should take the manager state into account.
unit_status_printf() does that.
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Add a new job mode: replace-irreversibly. Jobs enqueued using this mode
cannot be implicitly canceled by later enqueued conflicting jobs.
They can however still be canceled with an explicit "systemctl cancel"
call.
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