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Filipe Brandenburger adb6cd9be2 systemctl: add support for --wait to is-system-running 
This makes it possible to wait until boot is finished without having to poll
for this command repeatedly, instead using the syntax:

  $ systemctl is-system-running --wait

Waiting is implemented by waiting for the StartupFinished signal to be posted
on the bus.

Register the matcher before checking for the property to avoid race conditions.

Tested by artificially delaying startup with a oneshot service and calling this
command, checked that it emitted `running` and exited with a 0 return code as
soon as the delay service completed startup.

Also tested that booting to degraded state unblocks the command.

Inserted a delay between getting the property and waiting for the signal and
confirmed this seems to work free of race conditions.

Updated the --help text (under --wait) and the man page to document the new
feature.
2018-08-07 09:33:25 +02:00
..
ac-power tree-wide: remove Lennart's copyright lines 2018-06-14 10:20:20 +02:00
activate Drop my copyright headers 2018-06-14 13:03:20 +02:00
analyze analyze: add a space in pretty boot time string 2018-07-24 03:47:41 +09:00
ask-password tree-wide: remove Lennart's copyright lines 2018-06-14 10:20:20 +02:00
backlight tree-wide: remove Lennart's copyright lines 2018-06-14 10:20:20 +02:00
basic smack-util: use 'path' paremeter as is if it's already absolute in mac_smack_fix_at() 2018-08-06 20:25:56 +02:00
binfmt tree-wide: remove Lennart's copyright lines 2018-06-14 10:20:20 +02:00
boot meson: drop parens when appending to list 2018-07-31 21:02:01 +09:00
busctl busctl: make parameter const 2018-06-25 18:26:17 +02:00
cgls tree-wide: remove Lennart's copyright lines 2018-06-14 10:20:20 +02:00
cgroups-agent tree-wide: remove Lennart's copyright lines 2018-06-14 10:20:20 +02:00
cgtop tree-wide: remove Lennart's copyright lines 2018-06-14 10:20:20 +02:00
core Merge pull request #9624 from poettering/service-state-flush 2018-08-02 09:50:39 +02:00
coredump coredumpctl: info shows the last entry by default 2018-07-23 17:45:53 +02:00
cryptsetup cryptsetup: Add dependency on loopback setup to generated units 2018-06-27 16:57:17 +02:00
debug-generator tree-wide: remove Lennart's copyright lines 2018-06-14 10:20:20 +02:00
delta Drop my copyright headers 2018-06-14 13:03:20 +02:00
detect-virt tree-wide: remove Lennart's copyright lines 2018-06-14 10:20:20 +02:00
dissect tree-wide: remove Lennart's copyright lines 2018-06-14 10:20:20 +02:00
environment-d-generator Drop my copyright headers 2018-06-14 13:03:20 +02:00
escape Drop some more copyright headers 2018-07-24 11:16:01 +02:00
firstboot tree-wide: use instead of #ifdef for HAVE_* 2018-06-29 11:40:15 +02:00
fsck tree-wide: beautify remaining copyright statements 2018-06-14 10:20:21 +02:00
fstab-generator tree-wide: remove Lennart's copyright lines 2018-06-14 10:20:20 +02:00
fuzz tree-wide: add multiple inclusion guard 2018-06-25 13:04:59 +09:00
getty-generator tree-wide: remove Lennart's copyright lines 2018-06-14 10:20:20 +02:00
gpt-auto-generator tree-wide: remove Lennart's copyright lines 2018-06-14 10:20:20 +02:00
hibernate-resume tree-wide: drop copyright headers from frequent contributors 2018-06-20 11:58:53 +02:00
hostname hostname: set sd_event_add_signal() 2018-07-20 15:00:02 +09:00
hwdb tree-wide: drop copyright headers from frequent contributors 2018-06-20 11:58:53 +02:00
import tree-wide: port various bits over to open_parent() 2018-07-23 13:38:18 +02:00
initctl tree-wide: remove Lennart's copyright lines 2018-06-14 10:20:20 +02:00
journal tree-wide: drop empty lines in comments 2018-07-23 08:44:24 +02:00
journal-remote Merge pull request #9422 from yuwata/conf-files 2018-06-28 10:17:54 +02:00
kernel-install tree-wide: drop copyright lines for more authors 2018-06-22 16:39:45 +02:00
libsystemd sd-bus: verify destination and sender values when setting 2018-08-02 15:49:45 +02:00
libsystemd-network network/link: Fix logic error in matching devices by MAC 2018-07-07 13:48:59 +02:00
libudev tree-wide: drop double newline 2018-06-29 11:02:17 +09:00
locale locale: increment reference count of sd_bus_message 2018-07-26 12:13:35 +09:00
login user-runtime-dir: downgrade a few log messages to LOG_DEBUG that we ignore 2018-08-03 10:38:49 +02:00
machine machinectl: shorten error logging a bit 2018-08-07 08:58:36 +09:00
machine-id-setup tree-wide: remove Lennart's copyright lines 2018-06-14 10:20:20 +02:00
modules-load udev-builtin-kmod: use the generic module_load() function 2018-07-19 18:28:21 +02:00
mount mount: do not output (null) in option 2018-06-19 08:27:47 +02:00
network network: DHCP: ignore error in setting hostname when it is given by uname() 2018-08-06 10:48:02 +09:00
notify tree-wide: remove Lennart's copyright lines 2018-06-14 10:20:20 +02:00
nspawn nspawn: mount_sysfs(): Unconditionally mkdir /sys/fs/cgroup 2018-07-20 12:12:03 -04:00
nss-myhostname nss: do not modify errno when NSS_STATUS_NOTFOUND or NSS_STATUS_SUCCESS 2018-07-25 10:23:22 +02:00
nss-mymachines Merge pull request #9504 from poettering/nss-deadlock 2018-07-26 10:16:25 +02:00
nss-resolve Merge pull request #9504 from poettering/nss-deadlock 2018-07-26 10:16:25 +02:00
nss-systemd nss: do not modify errno when NSS_STATUS_NOTFOUND or NSS_STATUS_SUCCESS 2018-07-25 10:23:22 +02:00
partition growfs: make global variables that don't need to be exported static 2018-07-20 16:57:35 +02:00
path tree-wide: remove Lennart's copyright lines 2018-06-14 10:20:20 +02:00
portable tree-wide: drop empty lines in comments 2018-07-23 08:44:24 +02:00
quotacheck tree-wide: remove Lennart's copyright lines 2018-06-14 10:20:20 +02:00
random-seed tree-wide: remove Lennart's copyright lines 2018-06-14 10:20:20 +02:00
rc-local-generator tree-wide: drop copyright headers from frequent contributors 2018-06-20 11:58:53 +02:00
remount-fs tree-wide: remove Lennart's copyright lines 2018-06-14 10:20:20 +02:00
reply-password tree-wide: remove Lennart's copyright lines 2018-06-14 10:20:20 +02:00
resolve Merge pull request #9792 from poettering/hashmap-mempool 2018-08-06 14:13:30 +02:00
rfkill tree-wide: remove Lennart's copyright lines 2018-06-14 10:20:20 +02:00
run tree-wide: remove Lennart's copyright lines 2018-06-14 10:20:20 +02:00
shared meson: drop parens when appending to list 2018-07-31 21:02:01 +09:00
sleep sleep: tiny coding style updates 2018-07-17 21:41:56 +02:00
socket-proxy tree-wide: drop copyright lines for more authors 2018-06-22 16:39:45 +02:00
stdio-bridge tree-wide: remove Lennart's copyright lines 2018-06-14 10:20:20 +02:00
sulogin-shell tree-wide: beautify remaining copyright statements 2018-06-14 10:20:21 +02:00
sysctl tree-wide: remove Lennart's copyright lines 2018-06-14 10:20:20 +02:00
system-update-generator Correct a number of trivial typos. 2018-06-18 22:44:44 +02:00
systemctl systemctl: add support for --wait to is-system-running 2018-08-07 09:33:25 +02:00
systemd sd-bus: make BUS_DEFAULT_TIMEOUT configurable 2018-07-16 15:11:50 +02:00
sysusers Merge pull request #9274 from poettering/comment-header-cleanup 2018-06-14 11:26:50 +02:00
sysv-generator tree-wide: drop copyright headers from frequent contributors 2018-06-20 11:58:53 +02:00
test Merge pull request #8822 from fbuihuu/rfc-tmpfiles-safe-upstream 2018-08-03 18:11:36 +02:00
time-wait-sync tree-wide: drop empty lines in comments 2018-07-23 08:44:24 +02:00
timedate timedate: defer the property changed signal until job of starting/stopping NTP service is finished 2018-07-26 12:13:35 +09:00
timesync timesync: voidify sd_event_add_signal() and sd_event_set_watchdog() 2018-07-20 11:30:11 +09:00
tmpfiles tmpfiles: don't follow unsafe transitions in path_set_*() 2018-07-30 16:04:20 +02:00
tty-ask-password-agent tree-wide: beautify remaining copyright statements 2018-06-14 10:20:21 +02:00
udev udev: net_id: document predictable names for SR-IOV virtual devices 2018-07-31 16:41:32 +09:00
update-done tree-wide: remove Lennart's copyright lines 2018-06-14 10:20:20 +02:00
update-utmp tree-wide: remove Lennart's copyright lines 2018-06-14 10:20:20 +02:00
user-sessions tree-wide: remove Lennart's copyright lines 2018-06-14 10:20:20 +02:00
vconsole tree-wide: drop copyright headers from frequent contributors 2018-06-20 11:58:53 +02:00
veritysetup tree-wide: remove Lennart's copyright lines 2018-06-14 10:20:20 +02:00
volatile-root tree-wide: remove Lennart's copyright lines 2018-06-14 10:20:20 +02:00