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Motivated by https://github.com/systemd/systemd/issues/1829 where negative
numbers were mis-handled on 32 bit platforms by safe_atou*().
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variety of fixes
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systemctl: fix cancel
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Remove snapshot unit type
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network: port to extract_first_word
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Trivialities
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Snapshots were never useful or used for anything. Many systemd
developers that I spoke to at systemd.conf2015, didn't even know they
existed, so it is fairly safe to assume that this type can be deleted
without harm.
The fundamental problem with snapshots is that the state of the system
is dynamic, devices come and go, users log in and out, timers fire...
and restoring all units to some state from the past would "undo"
those changes, which isn't really possible.
Tested by creating a snapshot, running the new binary, and checking
that the transition did not cause errors, and the snapshot is gone,
and snapshots cannot be created anymore.
New systemctl says:
Unknown operation snapshot.
Old systemctl says:
Failed to create snapshot: Support for snapshots has been removed.
IgnoreOnSnaphost settings are warned about and ignored:
Support for option IgnoreOnSnapshot= has been removed and it is ignored
http://lists.freedesktop.org/archives/systemd-devel/2015-November/034872.html
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http://www.freedesktop.org/software/systemd/man/systemctl.html#cancel%20JOB...
> If no job ID is specified, cancel all pending jobs
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This is already done in Fedora rawhide.
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If quota is not enabled on a btrfs file system, accept that, and only
log a debug message, but do not consider this a reason for failure.
Fixes: #1809
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When quota is disabled there's no quota tree on the fs, which results in
the SEARCH ioctl to return ENOENT. Handle this nicely: treat this the
same way as the case where the quota tree is around but doesn't carry
the searched for fields.
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The event might be flagged with stuff we don't expect, hence don't
be needlessly picky, just rely on the kernel passing us sensible events.
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We can't handle errors of thisc all sanely anyway, and we never actually
return any errors from the unit type that implements the call. Hence,
let's make this void, in order to simplify things.
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We cannot handle enumeration failures in a sensible way, hence let's try
hard to continue without making such failures fatal, and log about it
with precise error messages.
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This is pretty much a work-around for a security vulnerability in
kernels that allow unprivileged user namespaces.
Fixes #1822.
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Lots of small fixes
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core: unit deps port to extract_first_word
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test-execute: Fix systemd escaping and shell issues (v2)
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More refactorings in extract_first_word
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core: still make progress when throttling the manager loop
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tests: various fixes
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* remove journal flushing (systemd-journal-flush.service runs journalctl --flush on boot)
* use sh -c and PATH instead of @SYSTEMCTL@ expansion
* remove unnecessary semicolons etc
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Updated axis ranges/resolutions for Lenovo T510 and Dell Inspiron N5040
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x86-32
strtoull() doesn't make it particularly easy to detect passed-in
negative numbers, as it silently converts them to positive ones without
generating any error. Since we are not interested in negative values we
should hence explicitly filter them out by looking at the string
directly and returning ERANGE if we see a leading "-".
Fixes: #1829
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Let's make sure to process all queued log data before exiting, so that
we don't unnecessary lose messages when shutting down.
https://github.com/systemd/systemd/pull/1812#issuecomment-155149871
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Let's make sure "LimitCPU=30min" can be parsed properly, following the
usual logic how we parse time values. Similar for LimitRTTIME=.
While we are at it, extend a bit on the man page section about resource
limits.
Fixes: #1772
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Let's not convert RLIM_INFINITY to "unsigned long long" and then back to
rlim_t, but let's leave it in the right type right-away.
Parse resource limits as 64 bit in all cases, as according to the man
page that's what libc does anyway.
Make sure setting a resource limit to (uint64_t) -1 results in a parsing
error, and isn't implicitly converted to RLIM_INFINITY.
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Let's generate a simple error, and that's it. Let's not try to be smart
and record the last word that failed.
Also, let's make sure we don't compare numeric values with 0 by relying
on C's downgrade-to-bool feature, as suggested in CODING_STYLE.
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specification of default time unit if none is specified
This is useful if we want to parse RLIMIT_RTTIME values where the common
UNIX syntax is without any units but refers to a non-second unit (µs in
this case), but where we want to allow specification of units.
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The macro is generically useful for putting together search paths, hence
let's make it truly generic, by dropping the implicit ".d" appending it
does, and leave that to the caller. Also rename it from
CONF_DIRS_NULSTR() to CONF_PATHS_NULSTR(), since it's not strictly about
dirs that way, but any kind of file system path.
Also, mark CONF_DIR_SPLIT_USR() as internal macro by renaming it to
_CONF_PATHS_SPLIT_USR() so that the leading underscore indicates that
it's internal.
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VIRTUALIZATION_CONTAINER_OTHER
If we don't know a container manager, we should consider it as "other"
rather than as no container manager at all, to provide a somwhat useful
upgrade path.
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In most cases, systemd requires escaping $ (for systemd variable
substitution) and % (for specifiers) by doubling them. This was somewhat
of an issue in tests like exec-environment*.service where systemd was
doing the substitutions and we were not really checking that those were
available in the actual environment of the command. Fix that.
Expressions such as `exit $(test ...)` are incorrect. They only work
because $(test ...) will produce no output, so the command will become a
bare "exit" which will exit with the status of the latest executed
command which turns out to be the test... The direct approach is simply
calling "test" as the last command, for which the shell will propagate
the exit status.
One situation where this was breaking tests was on `exit $(test ...) &&
$(test ...) && $(test ...)` where the second and third tests were not
really executing, since the first command is actually `exit` so && was
doing nothing there. Fixed it by just using `test ... && test ... &&
test ...` as it was initially intended.
Pass -x to all shell executions for them to produce useful debugging
output to stderr. Consequently, removed most of the explicit `echo`s
that are no longer needed.
Mark all units as Type=oneshot explicitly.
Also made sure all shell variables are properly quoted.
v2: Added an explicit LC_ALL=C to ionice invocations since some locales
(such as French) will add a space before the colon in the output.
Tested by running `sudo ./test-execute` and confirming all tests enabled
on my system (essentially all of them except for the s390 one) passed.
Tweaked the variables or options or expected values and confirmed the
tests do indeed fail when the values are not exactly the expected ones.
v2: Also tested with `LANG=fr_FR.UTF-8 sudo ./test-execute` to confirm
it still works in a different locale.
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networkd: add support to configure IPv6 hop limit
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conf-parser: use extract_first_word
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man/journalctl: mention systemd.time(7) where appropriate
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Todo trimming
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lldp: avoid compiler warnings in lldp_tfl_package_read* functions
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Put it at the top of the file, where it's hard to miss.
Also add the mapping of runlevel → target because since it is now
static.
I'm not adding runlevel(7), because we do not want to make obsolete
stuff even more prominent.
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Also, machinectl status is anything but terse. Remove "terse".
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