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According to the man pages of posix_fallocate, it returns zero on
success or an error number on failure; however, errno is not set
on failure. If the kernel or a library other than glibc does not
support the function for example, EOPNOTSUPP will be returned and
the error will not be handled properly with original code.
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this uses gnu style getopt, so you can put the opts at the end: (e.g.)
systemd-analyze blame --user
v4
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Fixes weird messages like:
May 20 22:23:30 jik2 TIFIER=systemd-logind[795]: New session 46 of user gdm.
https://bugzilla.redhat.com/show_bug.cgi?id=823498
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Checking the device major/minor is not a good idea. Let's replace this
with an explicit flag file, which we model after /etc/os-release and
call /etc/initrd-release.
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if root_dev is set, remove subdirectories only, if the device is the
same as the root_dev. This prevents to remove files across device
boundaries.
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If systemd is in the initrd/initramfs, set the initrd timestamp and do
not try to read it from the RD_TIMESTAMP environment variable.
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Only recursively remove the old root, if we have been in an
initrd/initramfs.
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If systemd serializes from a switch_root, it adds "--switchedroot" to
the systemd in the real root.
If "--switchedroot" is found, then we do not skip all the stuff, which
is skipped for normal rexecs.
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in_initrd() checks, if the stat() for the device for "/" is 1, which it
is for the initramfs.
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do_switch_root now mount moves "/dev", "/proc", "/sys", "/run" and
removes the old root recursively.
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The PAM helper thread needs to capture the death signal from the
parent, but is prohibited from doing so since when the child dies
as normal user, the kernel won't allow it to send a TERM to the
PAM helper thread which is running as root.
This causes the PAM threads to never exit, accumulating after
user sessions exit.
There is however really no need to keep the PAM threads running as
root, so, we can just setresuid() to the same user as defined in the
unit file for the parent thread (User=). This makes the TERM signal
arrive as normal. In case setresuid() fails, we ignore the error, so
we at least fall back to the current behaviour.
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This brings journalctl's built-in usage output in sync with the man page.
There are no commands to pass, and the help screen should not confuse
users.
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reexec/switch-root
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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.
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systemctl called LoadUnit, GetUnit, GetAll in this order to get the properties.
It is useless to load units explicitly, because it won't ensure anything. The
unit may be freed immediately by the garbage collector.
It is unnecessary to call GetUnit, because systemctl can easily translate the
unit name to DBus path by itself.
GetAll will load the unit if necessary.
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We need to be able to show the properties even of inactive units.
systemctl loads the unit before getting its properties, but this is racy
as the garbage collector may kick in right after the loading.
Fix it by always loading the unit before handling a message for it.
https://bugzilla.redhat.com/show_bug.cgi?id=814966#c6
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Not everyone is interested in every kind of deltas (and some might
even be interested knowing which files do not have overrides), so this
here is an implementation of a --type=LIST... option for
systemd-delta, that makes it possible to filter what subset of deltas
we want.
The available modifiers are masked, equivalent, redirected, overriden,
and unchanged - they should be self explanatory, and the man page
explains them in a little more detail anyway.
As a side effect, in case of overriden files, the diff output was made
optional.
By default, everything is shown (with a diff, if appropriate) except
for completely unchanged files.
Signed-off-by: Gergely Nagy <algernon@balabit.hu>
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