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This reverts commit dd102e4d0c.
That test case exposed a memory leak and breaks CI, so let's revert it until
the original issue is fixed, to prevent disruption of automated testing.
Let's make sure the first hashmap we destroy also frees all machines,
because otherwise when freeing the other hashmaps we'll try to
deregister the contained machines from the hashmaps already destroyed.
Apparently, people do use nscd, hence play somewhat nice with it, and
let's explicitly flush nscd caches whenever we register a new
user/group.
This patch only adds the actual refresh request invocation. Later
commits then issue this call at appropriate moments.
Note that the nscd protocol is not officially documented though very
simple. This code is written very defensively so that incompatibilities
don't affect us much.
Given that glibc really has a duty to maintain compat between
differently compiled programs and their system nscd they can't break API
and thus it should be safe for us to implement an alternative,
minimalistic client.
Ideally this kind of explicit, global cache flushing would not be necessary.
However nscd currently has no cache coherency protocol, hence we can't
really implement this better. The only concept it knows is a TTL for
positive hosts lookups. Hoewver for negative lookups or any of the other
tables nothing is available.
In Debian unstable package libqrencode-dev is version 4.0.2-1, and the
corresponding runtime library is provided by package libqrencode4.
This change fixes the following error when running journalctl:
root@image:~# journalctl
journalctl: error while loading shared libraries: libqrencode.so.4: cannot
open shared object file: No such file or directory
This change also fixes the following boot failures in
systemd-journal-flush.service and systemd-journal-catalog-update.service:
[FAILED] Failed to start Flush Journal to Persistent Storage.
[FAILED] Failed to start Rebuild Journal Catalog.
See also #4949
The ?: operator is very useful for chaining comparison functions
(strcmp, memcmp, CMP), since its behavior is to return the result
of the comparison function call if non-zero, or continue evaluating
the chain of comparison functions.
This simplifies the code in that using a temporary `r` variable
to store the function results is no longer necessary and the checks
for non-zero to return are no longer needed either, resulting in a
typical three-fold reduction to the number of lines in the code.
Introduce a new memcmp_nn() to compare two memory buffers in
lexicographic order, taking length in consideration.
Tested: $ ninja -C build/ test
All test cases pass. In particular, test_multiple_neighbors_sorted()
in test-lldp would catch regressions introduced by this commit.
In particular, check that the order of the results is consistent.
This test coverage will be useful in order to refactor the compare_func
used while sorting the results.
Tested: ninja -C build/ test
This is mostly paranoia, but let's better be safer than sorry. This of
course means there's always an implicit limit to how much we can read at
a time of 2G. But that should be ample.
From WordNet (r) 3.0 (2006) [wn]:
time-out
n 1: a brief suspension of play; "each team has two time-outs left"
From The Free On-line Dictionary of Computing (18 March 2015) [foldoc]:
timeout
A period of time after which an error condition is raised if
some event has not occured. A common example is sending a
message. If the receiver does not acknowledge the message
within some preset timeout period, a transmission error is
assumed to have occured.
u32ctz() was undefined for zero due to __builtin_ctz() [1].
Explicitly check for zero to make the behavior defined.
Note that this issue only affected in4_addr_netmask_to_prefixlen()
which is the only caller.
It may seem slightly odd, to return 32 (bits) for utz(0). But that
is what in4_addr_netmask_to_prefixlen() needs, and it probably makes
the most sense here.
[1] https://gcc.gnu.org/onlinedocs/gcc/Other-Builtins.html
Fixes: ba91431154
add ACCEL_MOUNT_MATRIX for IdeaPad Miix510-12ISK
multiple match expressions for Miix510 series
extend comments for miix510 series
Signed-off-by: Bruce Zhang <zttt183525594@gmail.com>
add device hwdb for IdeaPad Miix510-12ISK
Signed-off-by: Bruce Zhang <zttt183525594@gmail.com>
This has been irritating me for quite a while: let's prefix these enum
values with a common prefix, like we do for almost all other enums.
No change in behaviour, just some renaming.
From the results of CIs in #11076, changing buffer size may cause
issue #10754. So, let's prohibit to change the size if it is already
bound.
This also reverts commit 986ab0d2dc.
If the socket fd is passed by PID1, then it is created by .socket unit
and we have already set sufficient option(s) for the socket.
So, let's not touch the passed socket.
We already *install* those as real files since de78fa9ba0.
Meson will start to copy symlinks as-is, so we would get dangling symlinks in
/usr/lib/systemd/user/.
I considered the layout in our sources to match the layout in the installation
filesystem (i.e. creating units/system/ and moving all files from units/ to
units/system/), but that seems overkill. By using normal files for both we get
some duplication, but those files change rarely, so it's not a big downside in
practice.
Fixes#9906.
