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We support unreffing NULL pointers just fine and we shouldn't pay the
_unlikely_() price for it, not get a debug message if we do, hence let's
not use assert_return() here.
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This reverts commit f7e2bd5a8070ba86cba6bcbf7d1c9a8173d846d4.
Most of these checks are not programming errors, but happen during
normal runtime. For example bus_kernel_pop_memfd() is called all the
time on non-kdbus systems and is supposed to quickly fail if kdbus is
not available. However, assert_return() makes this failure
expensive, and hence has no place here. With the most recent change to
assert_return() it will even log a debug message, which should never
happen here.
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This reverts commit e775289d56ace2f8d23e62ed79316d71332d6d05.
We really should let the dependency logic add jobs for dependencies here
rather than manually adding in jobs, overtaping the real problem.
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When this flag is set then its member will not be shown in the
introspection data. Also, properties with this flag set will not be
included in GetAll() responses.
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Introduces a new concept of "trusted" vs. "untrusted" busses. For the
latter libsystemd-bus will automatically do per-method access control,
for the former all access is automatically granted. Per-method access
control is encoded in the vtables: by default all methods are only
accessible to privileged clients. If the SD_BUS_VTABLE_UNPRIVILEGED flag
is set for a method it is accessible to unprivileged clients too. By
default whether a client is privileged is determined via checking for
its CAP_SYS_ADMIN capability, but this can be altered via the
SD_BUS_VTABLE_CAPABILITY() macro that can be ORed into the flags field
of the method.
Writable properties are also subject to SD_BUS_VTABLE_UNPRIVILEGED and
SD_BUS_VTABLE_CAPABILITY() for controlling write access to them. Note
however that read access is unrestricted, as PropertiesChanged messages
might send out the values anyway as an unrestricted broadcast.
By default the system bus is set to "untrusted" and the user bus is
"trusted" since per-method access control on the latter is unnecessary.
On dbus1 busses we check the UID of the caller rather than the
configured capability since the capability cannot be determined without
race. On kdbus the capability is checked if possible from the attached
meta-data of a message and otherwise queried from the sending peer.
This also decorates the vtables of the various daemons we ship with
these flags.
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Use double and not float, as there is little to no benefit.
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In the time it takes to process incoming log messages, the process we
are logging details for may exit. This means the cgroup data is no
longer available from '/proc'. Unfortunately, the way the code was
structured before, we never log _SYSTEMD_UNIT if we don't have this
cgroup information.
Add an else if case that allows the passed in unit_id to be logged even
if we couldn't capture cgroup information. This ensures a command like
`journalctl -u run-XXX` will return all log messages from a oneshot
process.
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kbd-model-map was generated from system-config-keyboard's keyboard_models.py.
Several of the kbd layouts referred in that file do not exist and, so far as I
can tell, never did. I believe these entries existed simply to provide the xkb
configuration information for those layouts, and there never were matching kbd
entries; the kbd names were entirely notional, to satisfy the need for some
entry or other in that field.
For systemd, the only function of kbd-model-map is to 'match' kbd and xkb
configurations, so it does not make any sense to maintain entries for cases
where only one or the other exists in this context.
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Kernel install doesn't need the second argument on his command line when
removing.
This is correctly documented in the man page.
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THis might happen when sending arrays with 0 enttries, hence this is not
an indication for a problem.
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This allows us to drop quite a bit of code.
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together
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Use [brackets] only for optional elements.
Use <optional> in XML sources.
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Just as 'identifier' is strdup-ed and freed, we need to do the same for
unit_id.
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wait_for_jobs was ignoring the errors from the jobs stored in r.
It would only ever return whether the call to sd_bus_remove_filter
went ok. This patch changes it to return the first job related error
encountered. If a job related error is found, then the result of the
call to sd_bus_remove_filter is ignored.
wait_for_jobs was a bit hard to read so I split it up to avoid
the goto and deep nesting.
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It is nicer to say 'systemctl list-units ssh\*' then to use grep,
because colouring is preserved and it is easier to match just against
the unit name.
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The only problem is that libgen.h #defines basename to point to it's
own broken implementation instead of the GNU one. This can be fixed
by #undefining basename.
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introduced in f459b6025f9368116d8c410376546c157314c205
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When the state restore is disabled, we would print:
"Unknown verb: load" instead of simply skipping loading the
state.
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