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This is yet another attempt to fix coldplugging order (more especially,
the problem which happens when one creates a job during coldplugging and
it references a not-yet-coldplugged unit).
Now we forcibly coldplug all units which participate in jobs. This
is a superset of previously implemented handling of the UNIT_TRIGGERS
dependencies, so that handling is removed.
http://lists.freedesktop.org/archives/systemd-devel/2015-April/031212.html
https://bugs.freedesktop.org/show_bug.cgi?id=88401 (once again)
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https://bugs.freedesktop.org/show_bug.cgi?id=90192
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Would happen if lookup_paths_init returns an error.
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If for whatever reason there was nothing to load or loading failed, don't keep trying.
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Only 'real' devices are required to have an uevent file.
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log_error_errno() already adds a newline, so drop them.
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log_error_errno() already adds a newline, so drop them.
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If the main daemon is not notified about a worker finishing an event
the refcounting of the worker struct will be wrong, and we will lose
track of the number of children we have to wait for.
This should not happen, but if it does we better complain loudly about
it. Worst case udev will wait for 30 seconsd at shutdown waiting for
nonexistent workers.
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No need to include this explicitly, just use SCM_CREDENTIALS.
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We shouldn't fail the sysctl service if an option is missing.
Previously the warning about this was already downgraded to LOG_DEBUG,
but we really shouldn't propagate such errors either.
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Mention the default values, and clarify how this relates to the
underlying sysctls.
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We should not be receiving these anyway, but let's be correct.
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Remove some redundant logging, and reduce the log-level in most cases. The only
case that is really critical is if a worker failed while hanlding an event, so
keep that at error level.
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Not that all functionality has been ported over to logind, the old
implementation can be removed. There goes one of the oldest parts of
the systemd code base.
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Drop the code which communicates with shutdownd via its private socket,
and use the functionality in logind instead.
The code pathes which talk to logind have to create their own ad-hoc
bus connection because by default, systemctl connects to systemd's
private socket.
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Port over more code from shutdownd and teach logind to write /run/nologin at
least 5 minutes before the system is going down, and
/run/systemd/shutdown/scheduled when a shutdown is scheduled.
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Add a timer to print UTMP wall messages so that it repeatedly informs users
about a scheduled shutdown:
* every 1 minute with less than 10 minutes to go
* every 15 minutes with less than 60 minutes to go
* every 30 minutes with less than 180 minutes (3 hours) to go
* every 60 minutes if more than that to go
This functionality only active if the .EnableWallMessages DBus property
is set to true. Also, a custom string can be added to the wall message,
set through the WallMessagePrefix property.
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Instead of looking up the tty from STDIN, let utmp_wall() take an argument
to specify an origin tty for the wall message. Only if that argument is
NULL do the STDIN lookup.
Also add an void *userdata argument that is handed back to the callback
function.
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Add a method called ScheduleShutdown in org.freedesktop.login1.Manager
which adds a timer to shut down the system at a later point in time.
The first argument holds the type of the schedule that is about to
happen, and must be one of 'reboot', 'halt' or 'poweroff'.
The second argument specifies the absolute time, based on
CLOCK_REALTIME in nanoseconds, at which the the operation should be
executed.
To cancel a previously scheduled shutdown, the CancelScheduledShutdown()
can be called, which returns a bool, indicating whether a scheduled
timeout was cancelled.
Also add a new property called ScheduledShutdown which returns the
equivalent to what was passed in via ScheduleShutdown, as '(st)' type.
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Factor out the code to ask polkit for authorization from
method_do_shutdown_or_sleep() into an own function called
verify_shutdown_creds().
This is needed in order to also use the same checks when shutdown
operations are scheduled. For that, it's also necessary to allow
NULL values for that action{,_multiple_sessions,_ignore_inhibit)
arguments, which will suppress the call if no action string is
passed.
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make manager_gc(), manager_startup(), manager_new(), manager_free()
and manager_run() static, and kill their forward declarations.
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Instead of open-coding the delayed action and inhibit timeout logic,
switch over to a real sd_event_source based implementation.
This is not only easier to read but also allows us to add more timers
in the future.
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http://lists.freedesktop.org/archives/systemd-devel/2015-April/031187.html
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The daemons should really have the time to kill the workers first,
before systemd does it, hence use KillMode=mixed for these daemons.
https://bugs.freedesktop.org/show_bug.cgi?id=90051
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It's better to continue as good as we can, than to totally fail. Hence,
let's log about the failure and continue.
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Let's make sure that we don't enqueue triggering jobs for units before
those units are actually fully loaded.
http://lists.freedesktop.org/archives/systemd-devel/2015-April/031176.html
https://bugs.freedesktop.org/show_bug.cgi?id=88401
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Fixes:
CC src/core/libsystemd_core_la-device.lo
src/core/device.c: In function 'device_serialize':
src/core/device.c:169:1: warning: control reaches end of non-void function [-Wreturn-type]
}
^
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This reverts commit 6e392c9c45643d106673c6643ac8bf4e65da13c1.
We really shouldn't invent external state keeping hashmaps, if we can
keep this state in the units themselves.
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https://bugs.freedesktop.org/show_bug.cgi?id=90163
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This reworks how we enter tentative state and does so only when a device
was previously not announced via udev. The previous check actually just
checked whether a new state bit was set, which is not correct.
Also, to be able to reliably maintain the tentative state across daemon
reloads, we need to serialize and deserialize it.
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<audit-1400> is replaced by AVC, etc.
A fallback mechanism is provided for unlisted event types.
Occasionally new types are added to the kernel, but not too often.
Add a simple "test", which simply prints the mapping.
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This reverts b67f944. Lazy loading of device properties does not work for devices
that are received over netlink, as these are sealed. Reinstate the unconditional
loading of the device db.
Reported by: Mantas Mikulėnas <grawity@gmail.com>.
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The old tags are read from the db when deciding which tags to clear,
make sure we don't write out the new db before the old one has been
read.
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If the underlying device has not read in the properties yet, the generation will be 0, so
make sure we trigger the reading at least once.
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This is useful to print wall messages from logind with the right client
tty. (to be added in a later patch)
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