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When switching root, i.e. LANG can be set to the locale of the initramfs
or "C", if it was unset. When systemd deserializes LANG in the real root
this would overwrite the setting previously gathered by locale_set().
To reproduce, boot with an initramfs without locale.conf or change
/etc/locale.conf to a different language than the initramfs and check a
daemon started by systemd:
$ tr "$\000" '\n' </proc/$(pidof sshd)/environ | grep LANG
LANG=C
To prevent that, serialization of environment variables is skipped, when
serializing for switching root.
https://bugzilla.redhat.com/show_bug.cgi?id=949525
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Before, we would initialize many fields twice: first
by filling the structure with zeros, and then a second
time with the real values. We can let the compiler do
the job for us, avoiding one copy.
A downside of this patch is that text gets slightly
bigger. This is because all zero() calls are effectively
inlined:
$ size build/.libs/systemd
text data bss dec hex filename
before 897737 107300 2560 1007597 f5fed build/.libs/systemd
after 897873 107300 2560 1007733 f6075 build/.libs/systemd
… actually less than 1‰.
A few asserts that the parameter is not null had to be removed. I
don't think this changes much, because first, it is quite unlikely
for the assert to fail, and second, an immediate SEGV is almost as
good as an assert.
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different umask
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Instead of outputting "5h 55s 50ms 3us" we'll now output "5h
55.050003s". Also, while outputting the accuracy is configurable.
Basically we now try use "dot notation" for all time values > 1min. For
>= 1s we use 's' as unit, otherwise for >= 1ms we use 'ms' as unit, and
finally 'us'.
This should give reasonably values in most cases.
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The ~80 chars per line part wasn't well received.
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Use _cleanup_ and wrap lines to ~80 chars and such.
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All Execs within the service, will get mounted the same
/tmp and /var/tmp directories, if service is configured with
PrivateTmp=yes. Temporary directories are cleaned up by service
itself in addition to systemd-tmpfiles. Directory which is mounted
as inaccessible is created at runtime in /run/systemd.
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Just like mempcpy() is almost identical to memcpy() except the useful
return value, so is the relation of mempset() to memset().
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The running jobs animation is supposed to hide itself when jobs are
progressing sufficiently fast.
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Forked processes can keep the old fd alive triggering epoll over and
over again else.
https://bugs.freedesktop.org/show_bug.cgi?id=61697
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Harald encountered division by zero in manager_print_jobs_in_progress.
Clearly we had the watch enabled when we shouldn't - there were no
running jobs in m->jobs, only waiting ones. This is either a deadlock,
or maybe some of them would be detected as runnable in the next dispatch
of the run queue. In any case we mustn't crash.
Fix it by starting and stopping the watch based on n_running_jobs
instead of the number of all jobs.
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The crash that the check prevented has been fixed by commit 9e9e2b7.
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All active units will call unit_notify() during coldplug, so we just
make sure we're counting from zero again and get the correct result for
n_on_console.
For n_running_jobs we likewise reset it to zero and then count
the running jobs as we encounter them in deserialization.
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Sometimes the boot gets stuck until a timeout hits. The usual timeouts
are on the order of minutes, so users may lose patience.
Print animated status messages telling the names of units with running
jobs to make it easy to see what systemd is waiting for.
The animation looks cooler with a shorter interval, but 1 s is OK and
should not be too hard on slow serial console users.
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Ephemeral status lines do not end with a newline and they expect to be
overwritten by the next printed status line.
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They're not used outside manager.c anymore.
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unit_status_printf() checks the state of the manager, not of the unit
as such. Move it to manager.c and rename it to manager_status_printf().
Temporarily keep unit_status_printf as a wrapper macro.
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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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Fixes this bug:
alxchk > systemctl --user set-environment A=B
alxchk > systemctl --user show-environment | grep ^A=
A=B
alxchk > systemctl --user daemon-reexec
alxchk > systemctl --user show-environment | grep ^A=
alxchk >
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This can be pretty important for the user, and is not trivial
to figure out in all cases.
Also show failing path in error messages.
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The ability to start a new unit with 'systemctl start ...' should not
depend on whether there are other units in the directory. Previously,
an additional 'systemctl daemon-reload' would be necessary to tell
systemd to update the list of unit lookup paths.
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This allows us to print simple performance data of all parts of the boot now:
- firmware
- boot loader
- kernel
- initrd
- userspace
This only works for bootloaders which support passing TSC data via EFI
variables. As of now that's only gummiboot.
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clock is changed
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The MESSAGE_ID=... stanza will appear in countless number of places.
It is just too long to write it out in full each time.
Incidentally, this also fixes a typo of MESSSAGE is three places.
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As audit is pretty much just a special kind of logging we should treat
it similar, and manage the audit fd in a static variable.
This simplifies the audit fd sharing with the SELinux access checking
code quite a bit.
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Note: I did s/MANAGER/SYSTEMD/ everywhere, even though it makes the
patch quite verbose. Nevertheless, keeping MANAGER prefix in some
places, and SYSTEMD prefix in others would just lead to confusion down
the road. Better to rip off the band-aid now.
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lacking perms, deal with it
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times
This only adds the fields to the D-Bus interfaces but doesn't fill them
in with anything useful yet. Gummiboot exposes the necessary bits of
information to use however and as soon as I get my fingers on a proper
UEFI laptop I'll hook up the remaining bits.
Since we want to stabilize the D-Bus interface soon and include it in
the stability promise we should get the last fixes in, hence this change
now.
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also a number of minor fixups and bug fixes: spelling, oom errors
that didn't print errors, not properly forwarding error codes,
few more consistency issues, et cetera
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glibc/glib both use "out of memory" consistantly so maybe we should
consider that instead of this.
Eliminates one string out of a number of binaries. Also fixes extra newline
in udev/scsi_id
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