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mirror of https://github.com/systemd/systemd-stable.git synced 2024-12-23 17:34:00 +03:00
systemd-stable/units/systemd-udevd.service.in
Yu Watanabe a1f4fd3876 udev: run the main process, workers, and spawned commands in /udev subcgroup
And enable cgroup delegation for udevd.
Then, processes invoked through ExecReload= are assigned .control
subcgroup, and they are not killed by cg_kill().

Fixes #16867 and #22686.
2022-03-17 20:24:38 +09:00

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SYSTEMD

# SPDX-License-Identifier: LGPL-2.1-or-later
#
# This file is part of systemd.
#
# systemd is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
[Unit]
Description=Rule-based Manager for Device Events and Files
Documentation=man:systemd-udevd.service(8) man:udev(7)
DefaultDependencies=no
After=systemd-sysusers.service systemd-hwdb-update.service
Before=sysinit.target
ConditionPathIsReadWrite=/sys
[Service]
Delegate=pids
DeviceAllow=block-* rwm
DeviceAllow=char-* rwm
Type=notify
# Note that udev will reset the value internally for its workers
OOMScoreAdjust=-1000
Sockets=systemd-udevd-control.socket systemd-udevd-kernel.socket
Restart=always
RestartSec=0
ExecStart={{ROOTLIBEXECDIR}}/systemd-udevd
ExecReload=udevadm control --reload --timeout 0
KillMode=mixed
TasksMax=infinity
PrivateMounts=yes
ProtectClock=yes
ProtectHostname=yes
MemoryDenyWriteExecute=yes
RestrictAddressFamilies=AF_UNIX AF_NETLINK AF_INET AF_INET6
RestrictRealtime=yes
RestrictSUIDSGID=yes
SystemCallFilter=@system-service @module @raw-io bpf
SystemCallErrorNumber=EPERM
SystemCallArchitectures=native
LockPersonality=yes
IPAddressDeny=any
{{SERVICE_WATCHDOG}}