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596e447076
This introduces `ExitType=main|cgroup` for services. Similar to how `Type` specifies the launch of a service, `ExitType` is concerned with how systemd determines that a service exited. - If set to `main` (the current behavior), the service manager will consider the unit stopped when the main process exits. - The `cgroup` exit type is meant for applications whose forking model is not known ahead of time and which might not have a specific main process. The service will stay running as long as at least one process in the cgroup is running. This is intended for transient or automatically generated services, such as graphical applications inside of a desktop environment. Motivation for this is #16805. The original PR (#18782) was reverted (#20073) after realizing that the exit status of "the last process in the cgroup" can't reliably be known (#19385) This version instead uses the main process exit status if there is one and just listens to the cgroup empty event otherwise. The advantages of a service with `ExitType=cgroup` over scopes are: - Integrated logging / stdout redirection - Avoids the race / synchronisation issue between launch and scope creation - More extensive use of drop-ins and thus distro-level configuration: by moving from scopes to services we can have drop ins that will affect properties that can only be set during service creation, like `OOMPolicy` and security-related properties - It makes systemd-xdg-autostart-generator usable by fixing [1], as obviously only services can be used in the generator, not scopes. [1] https://bugs.kde.org/show_bug.cgi?id=433299
82 lines
4.3 KiB
Plaintext
82 lines
4.3 KiB
Plaintext
#compdef systemd-run
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# SPDX-License-Identifier: LGPL-2.1-or-later
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# @todo _systemctl has a helper with the same name, so we must redefine
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__systemctl() {
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local -a _modes
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_modes=("--user" "--system")
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systemctl ${words:*_modes} --full --no-legend --no-pager --plain "$@" 2>/dev/null
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}
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(( $+functions[__systemd-run_get_slices] )) ||
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__systemd-run_get_slices () {
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__systemctl list-units --all -t slice \
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| { while read -r a b; do echo $a; done; };
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}
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(( $+functions[__systemd-run_slices] )) ||
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__systemd-run_slices () {
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local -a _slices
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_slices=(${(fo)"$(__systemd-run_get_slices)"})
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typeset -U _slices
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_describe 'slices' _slices
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}
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_arguments \
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{-G,--collect}'[Unload the transient unit after it completed]' \
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'--description=[Description for unit]:description' \
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'--gid=[Run as system group]:group:_groups' \
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{-h,--help}'[Show help message]' \
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{-H+,--host=}'[Operate on remote host]:[user@]host:_sd_hosts_or_user_at_host' \
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{-M+,--machine=}'[Operate on local container]:machines:_sd_machines' \
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'--nice=[Nice level]:nice level' \
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'--no-ask-password[Do not query the user for authentication]' \
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'--no-block[Do not synchronously wait for the unit start operation to finish]' \
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'--on-active=[Run after SEC seconds]:SEC' \
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'--on-boot=[Run SEC seconds after machine was booted up]:SEC' \
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'--on-calendar=[Realtime timer]:SPEC' \
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'--on-clock-change[Defines a trigger based on system clock jumps]' \
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'--on-startup=[Run SEC seconds after systemd was first started]:SEC' \
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'--on-timezone-change[Defines a trigger based on system timezone changes]' \
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'--on-unit-active=[Run SEC seconds after the last activation]:SEC' \
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'--on-unit-inactive=[Run SEC seconds after the last deactivation]:SEC' \
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'--path-property=[Set path unit property]:NAME=VALUE' \
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{-P,--pipe}'[Inherit standard input, output, and error]' \
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{-p+,--property=}'[Set unit property]:NAME=VALUE:(( \
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CPUAccounting= MemoryAccounting= BlockIOAccounting= SendSIGHUP= \
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SendSIGKILL= MemoryLimit= CPUShares= BlockIOWeight= User= Group= \
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DevicePolicy= KillMode= ExitType= DeviceAllow= BlockIOReadBandwidth= \
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BlockIOWriteBandwidth= BlockIODeviceWeight= Nice= Environment= \
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KillSignal= RestartKillSignal= FinalKillSignal= LimitCPU= LimitFSIZE= LimitDATA= \
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LimitSTACK= LimitCORE= LimitRSS= LimitNOFILE= LimitAS= LimitNPROC= \
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LimitMEMLOCK= LimitLOCKS= LimitSIGPENDING= LimitMSGQUEUE= \
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LimitNICE= LimitRTPRIO= LimitRTTIME= PrivateTmp= PrivateDevices= \
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PrivateNetwork= NoNewPrivileges= WorkingDirectory= RootDirectory= \
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TTYPath= SyslogIdentifier= SyslogLevelPrefix= SyslogLevel= \
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SyslogFacility= TimerSlackNSec= OOMScoreAdjust= ReadWritePaths= \
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ReadOnlyPaths= InaccessiblePaths= EnvironmentFile= \
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ProtectSystem= ProtectHome= RuntimeDirectory= PassEnvironment= \
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))' \
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{-t,--pty}'[The service connects to the terminal]' \
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{-q,--quiet}'[Suppresses additional informational output]' \
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{-r,--remain-after-exit}'[Leave service around until explicitly stopped]' \
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{-d,--same-dir}'[Run on the current working directory]' \
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'--scope[Run this as scope rather than service]' \
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'--send-sighup[Send SIGHUP when terminating]' \
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'--service-type=[Service type]:type:(simple forking oneshot dbus notify idle)' \
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{-E+,--setenv=}'[Set environment]:NAME=VALUE' \
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{-S,--shell}'[requests an interactive shell in the current working directory]' \
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'--slice=[Run in the specified slice]:slices:__systemd-run_slices' \
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'--slice-inherit[Run in the inherited slice]' \
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'--socket-property=[Set socket unit property]:NAME=VALUE' \
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'--system[Run as system unit]' \
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'--timer-property=[Set timer unit property]:NAME=VALUE' \
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'--uid=[Run as system user]:user:_users' \
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{-u+,--unit=}'[Run under the specified unit name]:unit name' \
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'--user[Run as user unit]' \
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'--version[Show package version]' \
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'--wait=[Wait until service stopped again]' \
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'--working-directory=[Run with the specified working directory]' \
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'(-):command: _command_names -e' \
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'*::arguments:_normal'
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