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Its only caller is a test.
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fork() is not async-signal-safe and calling it from the signal handler
could result in a deadlock when at_fork() handlers are called. Using
the raw clone() syscall sidesteps that problem.
The tricky part is that raise() does not work, since getpid() does not
work. Add raw_getpid() to get the real pid, and use kill() instead of
raise().
https://bugs.freedesktop.org/show_bug.cgi?id=86604
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https://bugs.freedesktop.org/show_bug.cgi?id=87393
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https://bugs.freedesktop.org/show_bug.cgi?id=87393
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If child supports, but the parent does not, or when the child does
not support, but the parent does, assume the child is a mount point.
Only if neither supports use the fallback.
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c0e57ba9e22ee937722958d8b912ade2a37f206d fixed the fallback path.
We should do the same for name_to_handle_at().
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dup3() allows setting O_CLOEXEC which we are not interested in. However,
it also fails if called with the same fd as input and output, which is
something we don't want. Hence use dup2().
Also, we need to explicitly turn off O_CLOEXEC for the fds, in case the
input fd was O_CLOEXEC and < 3.
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host to container during runtime
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Since the order of the first and second arguments of the raw clone() system
call is reversed on s390 and cris it needs to be invoked differently.
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https://bugs.freedesktop.org/show_bug.cgi?id=87377
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[zj: When we lstat the target path, symlinks above the last component
will be followed by both stat and lstat. So when we look at the
parent, we should follow symlinks.]
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This frees the elements of the strv without freeing the strv itself.
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src/shared/utf8.c:268:13: warning: unused variable 'd'
[-Wunused-variable]
int d;
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"gateway." skips adding the domain search path and saves some queries to
the nameserver.
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The check for existing unit files and dropins is unified.
path_join() is updated to not insert duplicate separators.
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'systemctl cat' now works for templates too.
'systemctl edit' does not refuse to edit units that have changed on
disk. That restriction didn't seem useful, actually editing units that
have changed on disk before they are started is very reasonable.
'edit' with instances and templates works again:
Now:
$ build/systemctl edit getty@
Failed to copy /etc/systemd/system/getty@.service.d/override.conf to /etc/systemd/system/getty@.service.d/.override.confdff6290408c86369: Permission denied
$ build/systemctl edit getty@tty3
Failed to create directories for /etc/systemd/system/getty@tty3.service.d/override.conf: Permission denied
$ build/systemctl edit --full getty@tty3
Failed to copy /usr/lib/systemd/system/getty@.service to /etc/systemd/system/.getty@tty3.serviced3d175087e7e439b: Permission denied
Failed to create temporary file for /etc/systemd/system/getty@tty3.service: Permission denied
$ build/systemctl edit --full getty@
Failed to copy /usr/lib/systemd/system/getty@.service to /etc/systemd/system/.getty@.servicea3caad491c0f2f3d: Permission denied
Failed to create temporary file for /etc/systemd/system/getty@.service: Permission denied
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No functional change.
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Also make the error messages more specific to give a hint to the user
how to solve the problem.
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No functional change. This is in preparation for using this in
systemctl in the future.
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Provided by Benjamin Bellec
https://bugs.freedesktop.org/show_bug.cgi?id=87343
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Note that the MS receivers likely work like the Logitech ones, i.e. all
devices connected show up with the same vid/pid/name. Full evidence remains to
be gathered.
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Containers do not really support .device, .automount or .swap units;
Systems compiled without support for swap do not support .swap units;
Systems without kdbus do not support .busname units.
With this change attempts to start a unsupported unit types will result
in an immediate "unsupported" job result, which is a lot more
descriptive then before. Also, attempts to start device units in
containers will now immediately fail instead of causing jobs to be
enqueued that never go away.
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level rather than debug
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We sort by default DPI, not the first one in the list.
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Provided by Peter Hutterer:
https://bugs.freedesktop.org/show_bug.cgi?id=87332
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Commit 681f9718 introduced an additional null terminator for the zone names.
Increase the allocation of "transitions" to actually make room for this.
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Bump libblkid requirement from 2.20 to 2.24.
util-linux 2.25 is actually required since fdbbad981cc5da8bb4ed7e9b6646e7a114745ec5
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Otherwise this actually remains in the generated unit in /usr/lib.
If you want to keep it commented out, a m4-compatible way would be:
m4_ifdef(`HAVE_SMACK',
dnl Capabilities=cap_mac_admin=i
dnl SecureBits=keep-caps
)
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- fix misspelling in filename (intenal -> internal)
- remove deleted hwdb-related file (nuked with sd-hwdb refactor)
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Similar to how we handle other facilities that can be flagged out at
configure time, we should always distribute this input file.
http://lists.freedesktop.org/archives/systemd-devel/2014-December/026272.html
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Previously, if we provided getty@.service to systemctl edit it would
have failed when using the bus because it is an invalid unit name.
But it would have succeeded when searching in the filesystem.
Now, we check if we have a template, if we do we search in the
filesystem, if we don't have a templae and we can use the bus, we do.
Furthermore, if we provided getty@tty1.service it would not have worked
when searching the filesystem, but it would have worked with the bus.
So now, when using the filesystem we use the template name and not the
unit name, and the same when logging errors.
(Also did a refactoring to avoid a long function)
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Add more test cases for:
- unit_name_is_instance
- unit_name_to_instance
Add tests for:
- unit_name_template
- unit_name_is_template
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try_context() is such a hot path that the hashmap lookup is expensive.
The number of contexts is small - it is the number of object types.
Using a hashmap is overkill. A plain array will do.
Before:
$ time ./journalctl --since=2014-06-01 --until=2014-07-01 > /dev/null
real 0m9.445s
user 0m9.228s
sys 0m0.213s
After:
$ time ./journalctl --since=2014-06-01 --until=2014-07-01 > /dev/null
real 0m5.438s
user 0m5.266s
sys 0m0.170s
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