eudev/99-systemd.rules

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# This file is part of systemd.
#
# Copyright 2010 Lennart Poettering
#
# systemd is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# systemd is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with systemd; If not, see <http://www.gnu.org/licenses/>.
ACTION!="add|change", GOTO="systemd_end"
KERNEL=="tty[0-9]|tty1[0-2]", ENV{SYSTEMD_EXPOSE}="1"
KERNEL=="ttyS*", ENV{SYSTEMD_EXPOSE}="1"
SUBSYSTEM=="block", ENV{SYSTEMD_EXPOSE}="1"
# We need a hardware independant way to identify network devices. We
# use the /sys/subsystem path for this. Current vanilla kernels don't
# actually support that hierarchy right now, however upcoming kernels
# will. HAL and udev internally support /sys/subsystem already, hence
# it should be safe to use this here, too. This is mostly just an
# identification string for systemd, so whether the path actually is
# accessible or not does not matter as long as it is unique and in the
# filesystem namespace.
#
# http://git.kernel.org/?p=linux/hotplug/udev.git;a=blob;f=libudev/libudev-enumerate.c;h=da831449dcaf5e936a14409e8e68ab12d30a98e2;hb=HEAD#l742
SUBSYSTEM=="net", KERNEL!="lo", ENV{SYSTEMD_EXPOSE}="1", ENV{SYSTEMD_ALIAS}="/sys/subsystem/net/devices/%k"
LABEL="systemd_end"