Previously, the stack directory contains empty regular files named with
device ID, and we create sd_device object from the device name.
Hence, we implicitly checked the existence of the device node.
However, now the files in the stack directory are symlink, and we
retrieve the path to the device node and its priority from the symlink.
Hence, the existence of the device node is not checked.
Let's check if the device node is still exist.
Follow-up for 10f3f4ed01.
We already have RuntimeWatchdogUSec or friends. Let's not introduce
redundant properties.
Also, drop the const qualifier for WatchdogLastPingTimestamp, as they
are actually not constant.
This renames UidRange -> UidRangeEntry, and reintroduces UidRange which
contains the array of UidRangeEntry and its size.
No fucntional changes, just refactoring.
The array of uid range entries are already sorted. Hence, if x and y are
does not have intersection, then the remaining entries neither have
intersection with x.
In typical desktop file parsing it is expected that "~" expands to a
home directory.
Users may write an autostart file with "Exec=myCoolService
~/.someSpecialConfig" which worked before the systemd migration.
This partially reverts cabc1c6d7a.
The setting ProtectClock= implies DeviceAllow=, which is not suitable
for udevd. Although we are slowly removing cgropsv1 support, but
DeviceAllow= with cgroupsv1 is necessarily racy, and reloading PID1
during the early boot process may cause issues like #24668.
Let's disable ProtectClock= for udevd. And, if necessary, let's
explicitly drop CAP_SYS_TIME and CAP_WAKE_ALARM (and possibly others)
by using CapabilityBoundingSet= later.
Fixes#24668.
Normally we queue initrd-switch-root.target/isolate, which pulls in the
service via Wants= in the .target unit file. But if the service is instead
started directly, there may be nothing pulling in the target. Let's make
sure that the reference exists.
If we want to stop those services which would compete for access to
the console, we need to have an ordering so that they are actually
stopped before the other things starts, not asynchronously.
For shutdown, we queue shutdown.target/start, so in every unit which should be
stopped *before* shutdown, we need both Conflicts and an ordering dependency
with shutdown.target (either Before= or After= would work, because stop jobs
are always ordered before start jobs).
For initrd transition, we queue initrd-switch-root.service/isolate. This
automatically creates a /stop job for every running unit without
IgnoreOnIsolate. But no ordering dependency is created, unless the unit has a
(possibly transitive) ordering dependency on initrd-switch-root.service.
Since most units must stop before the transition, we should add the ordering
dependency. It is nicer to use Before=initrd-switch-root.target for this.
initrd-switch-root.target is ordered before initrd-switch-root.service, so
the effect it the same when both are in a transaction.
Fixes#23745.
To also cover the case where somebody is emergency mode in the initrd and
queues initrd-switch-root.service/start (not isolate), also add
Conflicts=initrd-switch-root.target, so various units are stopped properly.
This extends 2525682565 to cover all the other
services that are touched. It could be consider "operator error", but it's
easy to make and it's nicer if we can make this more foolproof.
The block is reordered and split to have:
1. description + documentation
2. (optionally) conditions
3. all the dependencies
I think it's easier to read the units this way.
Also, the Conflicts+Before is seperated out to separate lines.
The ordering dependency is "fake", because it could just as well be
After=, we are adding it to force ordering wrt. shutdown.target, and
it plays a different role than the other Before=, which are about a
real ordering on boot.
Building with GCC 12.2 and binutils 2.39 fails on riscv64 Ubuntu Kinetic
with:
FAILED: systemd-oomd
/usr/bin/ld: systemd-oomd.p/src_oom_oomd-util.c.o:
in function `oomd_cgroup_context_acquire':
build/../src/oom/oomd-util.c:415:
undefined reference to `__atomic_exchange_1'
We have to link with -latomic.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Lennart Poettering
Yu Watanabe
Daniel Braunwarth
drosdeck
David Edmundson
j00512545
Zbigniew Jędrzejewski-Szmek
Heinrich Schuchardt
Antonio Alvarez Feijoo
Frantisek Sumsal
David Tardon