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b7fc42e03 introduced a regression.
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Previously (6ee4f99 bus: break reference cycle between bus and
messages) I committed the test code, but not the actual fix :)
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The kdbus prioq logic will use 64bit prios too, so let's keep this
similar in style. Using 64bit here has the advantage, that pointers and
pretty much anything else can be mapped naturally to priorities if so
desired.
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This may be used in graphical session start-up scripts to upload
environment variables such as $DISPLAY into the systemd manager easily.
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X11 never made use of it anyway and it's probably better to just push
$DISPLAY into the systemd daemon from gnome-session (or equivalent
program) than to change libX11 to look for this socket. In particular
since we won't need this for Wayland anyway and we shouldn't add
infrastructure for stuff that's on its way out anyway.
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In the case of the error set_consume will free the pointer 'pattern'
which is later used in log_error. Either we should stop priniting that
or use simple set_put and free pattern manually.
This reverts commit ece6b8fd5bbc1fee16f652e680e3033f2f3efc4a.
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Lennart pointed out that we were misspelling 'resolve'. Let's not repeat the mistakes of 'umount'
and 'resolv.conf'.
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This reverts commit cf50a55277ee432e1217ad894afcbd9a664ff96c.
set_consume frees on error.
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We are anyway breaking the API by renaming everything, so that is not a concern.
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Setting UseDNS=no will ignore any received DNS servers.
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Also rename sd-dns -> sd-resolv.
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Documentation was updated to refer to either 'libsystemd' or 'sd-bus' in place
of libsystemd-bus.
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This adds support to generate a basic resolv.conf in /run/systemd/network.
This file will not take any effect unless a symlink is created from
/etc/resolv.conf.
Nameservers received over DHCP takes precedence over statically configured ones.
Note: /etc/resolv.conf is severely limited, so in the future we will likely
rather provide a much more powerfull nss plugin (or something to that effect),
but this should allow current users to function without any loss of
functionality.
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We will not insist on getting the reply from rtnl that the bridge
was created before considering the bridge ready, as we will be
notified about that via udev. We will listen for the rtnl response
however, in case the creation of the bridge failed.
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We don't know if the config will be consistent, so do as systemd itself and only
load config when the daemon starts (and possibly, in the future, when explicitly requested).
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Make sure we print a message when exiting with an error.
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ourselves via SetEnvironment bus calls
We just quietly eat them up, so that simple environment importing still
works without error.
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EOF is not an error so we should not print an error message about it.
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Before, journald would remove journal files until both MaxUse= and
KeepFree= settings would be satisfied. The first one depends (if set
automatically) on the size of the file system and is constant. But
the second one depends on current use of the file system, and a spike
in disk usage would cause journald to delete journal files, trying to
reach usage which would leave 15% of the disk free. This behaviour is
surprising for the user who doesn't expect his logs to be purged when
disk usage goes above 85%, which on a large disk could be some
gigabytes from being full. In addition attempting to keep 15% free
provides an attack vector where filling the disk sufficiently disposes
of almost all logs.
Instead, obey KeepFree= only as a limit on adding additional files.
When replacing old files with new, ignore KeepFree=. This means that
if journal disk usage reached some high point that at some later point
start to violate the KeepFree= constraint, journald will not add files
to go above this point, but it will stay (slightly) below it. When
journald is restarted, it forgets the previous maximum usage value,
and sets the limit based on the current usage, so if disk remains to
be filled, journald might use one journal-file-size less on each
restart, if restarts happen just after rotation. This seems like a
reasonable compromise between implementation complexity and robustness.
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ENODEV suggests that something is missing, which is be misleading
here.
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The devices we work with have eMMC chips for storage. The chips
provide four "hardware" partitions. The first is /dev/mmcblk0, it
takes almost whole space and holds a GPT with several real partitions
(/dev/mmcblk0p?). Then there are three block devices (mmcblk0boot0,
mmcblk0boot1, rpmb) that are part of the same hardware as mmcblk0 that
are presented by the kernel as children of the latter. That relationship
makes gpt-auto-generator try to peek them but since they are not GPT
partitions blkid_do_safeprobe() returns -2 making verify_gpt_parition()
function return -ENODEV.
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Thanks David!
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This is a continuation of e3e0314b systemctl: allow globbing in commands
which take multiple unit names.
Multiple patterns can be specified, as separate arguments, or as one argument
with patterns seperated by commas.
If patterns are given, at least one unit must be matched (by any of the patterns).
This is different behaviour than systemctl, but here it is necessary because
otherwise anything would be matched, which is unlikely to be the intended
behaviour.
https://bugs.freedesktop.org/show_bug.cgi?id=59336
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sd_j_e_u needs to keep a reference to an object while comparing it
with possibly duplicate objects in other files. Because the size of
mmap cache is limited, with enough files and object to compare to,
at some point the object being compared would be munmapped, resulting
in a segmentation fault.
Fix this issue by turning keep_always into a reference count that can
be increased and decreased. Other callers which set keep_always=true
are unmodified: their references are never released but are ignored
when the whole file is closed, which happens at some point. keep_always
is increased in sd_j_e_u and later on released.
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As noted by Lennart: HAVE_CONFIG_H is done implicitly and sys/prctl.h is
mandatory.
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Don't include internal headers
Update license text
Use _SD_BEGIN/END_DECLARATIONS
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Origin: <http://0pointer.de/lennart/projects/libasyncns/>
[tomegun: renamed some more files asyncns -> sd-dns and moved to libsystemd-bus as
requested by Lennart]
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