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RuntimeDirectory= often used for sharing files or sockets with other
services. So, if creating them under private/ sub-directory, we cannot
set DynamicUser= to service units which want to share something through
RuntimeDirectory=.
This makes the directories given by RuntimeDirectory= are created under
/run/ even if DynamicUser= is set.
Fixes#7260.
When at least one of BindPaths=, BindReadOnlyPaths=, RootImage=,
RuntimeDirectory= or their friends are set, systemd prepares
a namespace under /run/systemd/unit-root. Thus, ReadWritePaths=
or their friends without '+' prefix is completely meaningless.
So, let's assume '+' prefix when one of them are set.
Fixes#7070 and #7080.
job_finish_and_invalidate() calls job_free() to destroy jobs (and remove
them from the dbus queue). So we don't need to add them to the dbus queue
first.
We only want to add jobs to the dbus queue if they're a restart job, which
we're transmogrifying into a start job and putting back into the system.
During startup of networkd we try to drop the configs. While droping
routes we filling ip route type and because of which message like
```
host: Could not drop route: Invalid argument
host: Could not drop route: Invalid argument
```
are shown.
Closed#6929
_unused_ means "the variable is meant to be possible unused and gcc
will not generate a warning about it", which is exactly what we need here,
since we're only declaring it for the side effect of _cleanup_.
clang warns about a few sites like this:
../src/journal/journal-file.c:1780:48: warning: taking address of packed member 'entry_offset' of class or structure 'DataObject' may result in an unaligned pointer value [-Waddress-of-packed-member]
&o->data.entry_offset,
^~~~~~~~~~~~~~~~~~~~
but DataObject.entry_offset will always be 8-byte aligned as long as
the DataObject structure is aligned. Similarly in other cases, the
field is always aligned. Let's just silence the warning to avoid noise.
gcc does not know -Waddress-of-packed-member, and would warn about an unknown
warning, so we need to conditionalize on __clang__.
../src/network/networkd-link.c:3577:84: warning: format specifies type 'unsigned char' but the argument has type 'uint32_t' (aka 'unsigned int') [-Wformat]
route->dst_prefixlen, route->tos, route->priority, route->table, route->lifetime);
^~~~~~~~~~~~
../src/network/networkd-manager.c:1146:132: warning: format specifies type 'unsigned char' but the argument has type 'uint32_t' (aka 'unsigned int') [-Wformat]
rule->from_prefixlen, space ? " " : "", to_str, rule->to_prefixlen, rule->tos, rule->fwmark, rule->fwmask, rule->table);
^~~~~~~~~~~
Also add some line breaks to make it easier to see which argument is for which
part of the format string.
clang warns:
../src/import/importd.c:254:70: warning: 'break' is bound to current loop, GCC binds it to the enclosing loop [-Wgcc-compat]
while ((e < t->log_message + t->log_message_size) && IN_SET(*e, 0, '\n'))
^
Let's just play it safe and not use IN_SET here.
../src/journal/journald-native.c:341:13: warning: variable 'context' is used uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized]
if (ucred && pid_is_valid(ucred->pid)) {
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../src/journal/journald-native.c:350:42: note: uninitialized use occurs here
context, ucred, tv, label, label_len);
^~~~~~~
../src/journal/journald-native.c:335:31: note: initialize the variable 'context' to silence this warning
ClientContext *context;
^
= NULL
Very nice reporting!
Functions that we call can handle context == NULL, so it's enough to simply
initialize the variable.
Failure to spawn ExecStartPost was being handled differently to e.g.
EXIT_FAILURE returned by ExecStartPost. It looks like this was an
oversight. Fix to match documented behaviour.
`man systemd.service`:
> Note that if any of the commands specified in ExecStartPre=, ExecStart=,
> or ExecStartPost= fail (and are not prefixed with "-", see above) or time
> out before the service is fully up, execution continues with commands
> specified in ExecStopPost=, the commands in ExecStop= are skipped.
Update the timeout warnings for remount and unmount. For consistency with
mount, for accuracy, and for consistency with their equivalents in
service.c.
manager_connect_bus() is called *before* manager_coldplug(). As a last
thing in service_coldplug() we set service state to
s->deserialized_state, and thus before we do that all services are
inactive and try_connect always evaluates to false. To fix that we must
look at deserialized state instead of current unit state.
Fixes#7146
Using `kill()` with a signal of 0 is a slightly more documented idiom for
checking whether a process still exists. It is mentioned explicitly in
man pages. This avoids the need to comment the call as "misuse".
A comment is still necessary - in fact this idiom is even more confusing if
you don't know how it works. But it's easy enough to explain.
The GP-electronic T701 has its LCD panel mounted upside-down, initially
my plan was to fix this by transparently rotating the image in the i915
driver (my "drm/i915: Deal with upside-down mounted LCD" patch), but
that approach has been rejected instead the kernel will now export
a "panel orientation" property on the drm-connector for the panel and
let userspace deal with it.
Since the upside-down-ness of the panel is now no longer transparently
hidden from userspace, the current accel mount quirk for the T701 needs
to be updated to take the upside-down-ness into account.
Freescale IMX SoCs serial ports driven by kernel "imx-uart" driver have
names of "ttymxcN", let's add this pattern to an udev rule for serial
ports so they will have proper ownership applied.
