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We cannot rely on "errno" to be non-zero on failure, if we perform
multiple glibc calls. That is, if the first eventfd() call fails, but the
second succeeds, we cleanup the barrier but return 0.
Fix this by always testing the return value immediately. This should also
fix all the coverity warnings.
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Allow term users to retrieve the page dimensions of a terminal screen.
This is needed to properly calculate the grid dimensions when rendering.
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Like all the other parts of libsystemd-terminal, split API of
term-internal.h into term.h so we can use it from systemd-consoled.
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Lets avoid putting stuff into /usr/shared/unifont/, but keep it in
/usr/share/systemd/. Upstream lacks interest in this, so don't bother for
now.
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Allow unifont users to retrieve the width and height of unifont glyphs. In
version 1 this is hard-coded as 8/16, but may be changed in the future.
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All the definitions are for outside users, so drop the -internal suffix.
Internal definitions are in unifont-def.h and unifont.c, no need to share
those.
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D-Bus' type hierarchy as described in the spec is:
\- basic
\- fixed type (u, i, etc.)
\- string-like type (s, o, g)
\- container
Someone seems to have referred to basic types as "simple types" at
some point, but that term isn't defined in the D-Bus Specification,
and seems redundant.
So far I haven't renamed functions that use "trivial" in their names
to mean "fixed type", to avoid confusion about whether a struct of
constant length, like (iu), is a fixed type. The answer is that it is
fixed-length, but is not a "fixed type", so I can see that something
like bus_type_is_fixed() might be ambiguous.
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We used to make all .swap units either RequiredBy=swap.target or
WantedBy=swap.target. But swap.target should be the "configured swap
units", either through /etc/fstab or non-generated .swap units. It
is surprising when systemd starts treating a swap device that was
possibly temporarily enabled as a hard dependency for other units.
So do not add dependencies with swap.target for units gleaned from
/proc/swaps.
Similarly, we added dependencies for all aliases of the device name,
which clutters up the dependency graph but does not seem to bring any
value, since the status of those following units is consistent with
the main one anyway.
This should be a fix for [1], and it seems the right thing to do
anyway.
[1] https://bugzilla.redhat.com/show_bug.cgi?id=1114786
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In pty.c there was both an include of our pty.h and the system installed pty.h.
The latter contains only two functions openpty and forkpty. We use neither so
I assume it was a typo and removed it. We still compile and pass all tests.
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Just to make sure that coverity is wrong.
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Change the other spot too.
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Paths can in principle be longer then PATH_MAX, so
simply allocate the buffer with malloc().
CID #1237773
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Anything below .1 s is meaningless anyway.
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t cannot be null here
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Found with coverity. Fixes CID#1237754 and #1237790
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Let's silence coverity here too. There is not much to do if the
ioctls to copy the fonts and character maps should fail.
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Suggested by Zbigniew.
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Make it clear in the code that ignoring a failed safe_ato?() is intentional.
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systemctl would print 'CPUQuotaPerSecUSec=(null)' for no limit. This
does not look right.
Since USEC_INFINITY is one of the valid values, format_timespan()
could return NULL, and we should wrap every use of it in strna() or
similar. But most callers didn't do that, and it seems more robust to
return a string ("infinity") that makes sense most of the time, even
if in some places the result will not be grammatically correct.
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No functional change intended.
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Phenomenon: parameters configured in /etc/fstab for swap units are
ignored. E.g. pri= settings have no effect when systemd starts swap
units. What is even more confusing, .swap units for the name used in
/etc/fstab initially show proper values for Priority=, but after
starting them, they are re-initalized from /proc/swaps and show the -1
value from /proc/swaps.
Change swap units to follow the original configured unit. This way
proper settings are used when starting the swap.
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Previous code would only return correct results when discard
was the last option.
While at it, avoid incorrect behaviour for (invalid) 'pri' option
not followed by '=...', and also do not return -1 as the error code.
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Process possible "discard" values from /etc/fstab.
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In the conversion to sd-event loop, handling of normal files got
broken. We do not want to perform non-blocking reads on them, but
simply do read() in a loop. Install a statically-enabled "source"
to do that.
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They are not legal in the export format.
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The kdbus limit is 2M and we removed the bus-owner override. Therefore,
use at most 2M as message size.
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Allow sysview users to retrieve the seat that a session is assigned to.
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Add helper to perform session switches on a specific seat whenever we
retrieve a VT-switch keyboard event.
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Move the +1 calculus onto the definition of the variable, just to make
the code a little easier to read. No functional change.
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Cpu's are assigned normally, so starting at 0, so the MAX_CPU index will
always be one smaller than the actual number.
Found with Coverity.
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Check if strjoin worked and also use _cleanup_free_ since we are
here.
Found with Coverity. Fixes CID#1241962
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Found by coverity. Fixes: CID#996314 and #996312
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Found by coverity. Fixes: CID#996409
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This PMIC is found on TI AM335x based boards like the beaglebone and
beaglebone black.
root@beaglebone-white:~# udevadm info -a /dev/input/event0
Udevadm info starts with the device specified by the devpath and then
walks up the chain of parent devices. It prints for every device
found, all possible attributes in the udev rules key format.
A rule to match, can be composed by the attributes of the device
and the attributes from one single parent device.
looking at device
'/devices/ocp.3/44e0b000.i2c/i2c-0/0-0024/input/input0/event0':
KERNEL=="event0"
SUBSYSTEM=="input"
DRIVER==""
looking at parent device
'/devices/ocp.3/44e0b000.i2c/i2c-0/0-0024/input/input0':
KERNELS=="input0"
SUBSYSTEMS=="input"
DRIVERS==""
ATTRS{name}=="tps65217_pwr_but"
ATTRS{phys}==""
ATTRS{uniq}==""
ATTRS{properties}=="0"
looking at parent device '/devices/ocp.3/44e0b000.i2c/i2c-0/0-0024':
KERNELS=="0-0024"
SUBSYSTEMS=="i2c"
DRIVERS=="tps65217"
ATTRS{name}=="tps65217"
looking at parent device '/devices/ocp.3/44e0b000.i2c/i2c-0':
KERNELS=="i2c-0"
SUBSYSTEMS=="i2c"
DRIVERS==""
ATTRS{name}=="OMAP I2C adapter"
looking at parent device '/devices/ocp.3/44e0b000.i2c':
KERNELS=="44e0b000.i2c"
SUBSYSTEMS=="platform"
DRIVERS=="omap_i2c"
looking at parent device '/devices/ocp.3':
KERNELS=="ocp.3"
SUBSYSTEMS=="platform"
DRIVERS==""
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No functional change. We just don't assign the value twice.
Found by coverity. Fixes: CID#1237616 and #1237617
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'make distcheck' calls test-bus-policy outside of the source tree, so it
must consider the TEST_DIR variable to access its files.
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If one has a config like:
d /tmp 1777 root root -
X /tmp/important_mount
All files below /tmp/important_mount will be deleted as the
/tmp/important_mount item will spuriously inherit a max age of 0
from /tmp.
/tmp has a max age of 0 but age_set is (of course) false.
This affects also the PrivateTmp feature of systemd.
All tmp files of such services will be deleted unconditionally
and can cause service failures and data loss.
Fix this by checking ->age_set in the IGNORE_DIRECTORY_PATH logic.
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This adds --disable-utmp option to configure. If it is used, all
utmp-related functionality, including querying runlevel support,
is removed.
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After recent changes the number was always reported as 0, because
the accounting was done server_destroy(), called after the message was
already printed. But even before this change, the counts were wrong
because seqnum start at 0 only for newly created journal files, so when
appending to existing files, the calculated count was wrong anyway.
Also do some variable renaming for consistency and disable some low-level
debug messages.
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https://bugs.freedesktop.org/show_bug.cgi?id=83682
[zj: move the initalization even earlier, before any sockets are
looked at.]
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Most of these failures would anyway get caught later on, but now the error messages are a bit more
specific.
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Found by Coverity. Fixes CID #1237541.
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