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If a unit is stopped for a moment, we need to invalidate our knowledge
of it, otherwise we might be confused by automatic restarts
This makes reboots for nspawn containers run as service work correctly.
https://bugs.freedesktop.org/show_bug.cgi?id=87428
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and related calls
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on the command line
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status set membership
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For a longer discussion see this:
http://lists.freedesktop.org/archives/systemd-devel/2015-April/030175.html
This introduces /run/systemd/fsck.progress as a simply
AF_UNIX/SOCK_STREAM socket. If it exists and is connectable we'll
connect fsck's -c switch with it. If external programs want to get
progress data they should hence listen on this socket and will get
all they need via that socket. To get information about the connecting
fsck client they should use SO_PEERCRED.
Unless /run/systemd/fsck.progress is around and connectable this change
reverts back to v219 behaviour where we'd forward fsck output to
/dev/console on our own.
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Among other smaller fixes, explicitly check if we are invoked on a block
device before making use of st.st_rdev.
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src/core/unit.c: In function 'unit_coldplug':
src/core/unit.c:2884:18: warning: unused variable 'i' [-Wunused-variable]
Iterator i;
^
src/core/unit.c:2883:15: warning: unused variable 'other' [-Wunused-variable]
Unit *other;
^
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Make this blocking behaviour optional with --no-block, similar to
systemctl's switch of this name.
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Otherwise it might happen that by the time PID 1 adds our process to the
scope unit the process might already have died, if the process is
short-running (such as an invocation to /bin/true).
https://bugs.freedesktop.org/show_bug.cgi?id=86520
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Also, place the scope unit in failed state.
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NULL result only
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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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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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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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