Diff of /tags/udev-185-r4/udev.rc

Parent Directory | Revision Log | Patch

	revision 1725 by niro, Mon Apr 2 13:08:49 2012 UTC	revision 1868 by niro, Mon Jul 30 18:10:19 2012 UTC
#	Line 1	Line 1
1	#!/bin/bash	#!/bin/bash
2	# $Header: /root/magellan-cvs/src/udev/udev.rc,v 1.2 2010-08-18 00:57:31 niro Exp $	# $Id$
3
4	udev_version()	udev_version()
5	{	{
#	Line 8  udev_version()	Line 8  udev_version()
8	if [[ -x /sbin/udev ]]	if [[ -x /sbin/udev ]]
9	then	then
10	version=$(/sbin/udev -V)	version=$(/sbin/udev -V)
	# We need it without a leading '0', else bash do the wrong thing
	version=${version##0}
	# Older udev's will print nothing
	[[ -z ${version} ]] && version=0
11	elif [[ -x /sbin/udevd ]]	elif [[ -x /sbin/udevd ]]
12	then	then
13	version=$(/sbin/udevd --version)	version=$(/sbin/udevd --version)
14	version=${version##0}	elif [[ -x /lib/udev/udevd ]]
15	[[ -z ${version} ]] && version=0	then
16		version=$(/lib/udev/udevd --version)
17		elif [[ -x /usr/lib/systemd/systemd-udevd ]]
18		then
19		version=$(/usr/lib/systemd/systemd-udevd --version)
20	fi	fi
21
22		# We need it without a leading '0', else bash do the wrong thing
23		version=${version##0}
24		# Older udev's will print nothing
25		[[ -z ${version} ]] && version=0
26
27	echo "${version}"	echo "${version}"
28	}	}
29
#	Line 26  populate_udev()	Line 31  populate_udev()
31	{	{
32	local opts	local opts
33
	# tell modprobe.sh to be verbose to $CONSOLE
	echo CONSOLE=${CONSOLE} > /dev/.udev_populate
34	# populate /dev with devices already found by the kernel	# populate /dev with devices already found by the kernel
35	rc_print "  Populating /dev with existing devices through uevents ..."	rc_print "  Populating /dev with existing devices through uevents ..."
36	if [[ ${RC_COLDPLUG} = yes ]]	if [[ ${RC_COLDPLUG} = yes ]]
37	then	then
38	/sbin/udevadm trigger	udevadm trigger
39	else	else
40	# do not run any init-scripts	# do not run any init-scripts
41	/sbin/udevadm control --env do_not_run_plug_service=1	udevadm control --property=do_not_run_plug_service=1
42
43	# only create device nodes	udevadm trigger --type=subsystems --action=add
44	/sbin/udevadm trigger --attr-match=dev	udevadm trigger --type=devices --action=add
	# run persistent-net stuff
	/sbin/udevadm trigger --subsystem-match=net
45	fi	fi
46	evaluate_retval	evaluate_retval
47
	# loop until everything is finished
	rc_print "  Letting udev process events ..."
	/sbin/udevadm settle --timeout=60
	evaluate_retval
48	# unset this variable	# unset this variable
49	/sbin/udevadm control --env do_not_run_plug_service=	udevadm control --property=do_not_run_plug_service=
50
	rm -f /dev/.udev_populate
51	return 0	return 0
52	}	}
53
#	Line 63  seed_dev()	Line 56  seed_dev()
56	# seed /dev with some things that we know we need	# seed /dev with some things that we know we need
57	rc_print "  Seeding /dev with needed nodes ..."	rc_print "  Seeding /dev with needed nodes ..."
58	(	(
59	[ ! -c /dev/console ] && mknod /dev/console c 5 1	[ ! -c /dev/console ] && mknod -m 600 /dev/console c 5 1
60	[ ! -c /dev/tty1 ] && mknod /dev/tty1 c 4 1	[ ! -c /dev/tty1 ] && mknod -m 620 /dev/tty1 c 4 1
61	[ ! -c /dev/null ] && mknod /dev/null c 1 3	[ ! -c /dev/tty ] && mknod -m 666 /dev/tty c 5 0
62		[ ! -c /dev/null ] && mknod -m 666 /dev/null c 1 3
63
64	# create kmsg too, so udev can add its start-message to dmesg	# create kmsg too, so udev can add its start-message to dmesg
65	[ -c /dev/kmsg ] || mknod -m 660 /dev/kmsg c 1 11	[ -c /dev/kmsg ] || mknod -m 660 /dev/kmsg c 1 11
66
	# copy over any persistant things
	if [[ -d /lib/udev/devices ]]
	then
	cp -RPp /lib/udev/devices/* /dev 2>/dev/null
	fi
	# not provided by sysfs but needed
	ln -snf /proc/self/fd /dev/fd
	ln -snf fd/0 /dev/stdin
	ln -snf fd/1 /dev/stdout
	ln -snf fd/2 /dev/stderr
	[[ -e /proc/kcore ]] && ln -snf /proc/kcore /dev/core
67	# create problematic directories	# create problematic directories
68	mkdir -p /dev/pts /dev/shm	mkdir -p /dev/pts /dev/shm
69	)	)
#	Line 92  seed_dev()	Line 73  seed_dev()
73	# main function	# main function
74	start_devicemanager()	start_devicemanager()
75	{	{
76		local udev_prefix=""
77		local udev_daemon=""
78
79		# get the right daemon and prefix for newer udev/systemd-udev installations
80		if [ -x /sbin/udevd ]
81		then
82		udev_daemon="/sbin/udevd"
83		udev_prefix=""
84		elif [ -x /lib/udev/udevd ]
85		then
86		udev_daemon="/lib/udev/udevd"
87		udev_prefix=""
88		elif [ -x /usr/lib/systemd/systemd-udevd ]
89		then
90		udev_daemon="/usr/lib/systemd/systemd-udevd"
91		udev_prefix="/usr"
92		fi
93
94	# check if /dev/console exists outside tmpfs	# check if /dev/console exists outside tmpfs
95	[ -c /dev/console ] ; need_redirect=$?	[ -c /dev/console ] ; need_redirect=$?
96
97	# create a ramdisk for populating udev	# create a ramdisk for populating udev
98	if [[ -z $(grep '[[:space:]]/dev[[:space:]]' /proc/mounts | cut -d ' ' -f2) ]]	if [[ -z $(grep '[[:space:]]/dev[[:space:]]' /proc/self/mountinfo) ]]
99	then	then
100	rc_print "Mounting udev at /dev ..."	rc_print "Mounting udev at /dev ..."
101	# many video drivers needed exec access	# many video drivers needed exec access
#	Line 109  start_devicemanager()	Line 108  start_devicemanager()
108	evaluate_retval	evaluate_retval
109	fi	fi
110
111	# if a device tarball exists load it and if it is activated	# if a device tarball exists load it but only if it is activated in the config
112	rc_print "Configurating system to use udev ..."	rc_print "Configurating system to use udev ..."
113	if [[ ${RC_DEVICE_TARBALL} = yes ]]	if [[ ${RC_DEVICE_TARBALL} = yes ]]
114	then	then
115	rc_print "  Populating /dev with saved device nodes ..."	if [[ -f ${udev_prefix}/lib/udev/state/devices.tar.bz2 ]]
116	tar -jxpf /lib/udev/state/devices.tar.bz2 -C /dev	then
117	evaluate_retval	rc_print "  Populating /dev with saved device nodes ..."
118		tar -jxpf ${udev_prefix}/lib/udev/state/devices.tar.bz2 -C /dev
119		evaluate_retval
120		fi
121	fi	fi
122
123	# other needed device nodes with udev	# other needed device nodes with udev
#	Line 141  start_devicemanager()	Line 143  start_devicemanager()
143	if [ ${need_redirect} -eq 1 ]	if [ ${need_redirect} -eq 1 ]
144	then	then
145	# we need to open fds 0 1 2	# we need to open fds 0 1 2
146	start-stop-daemon --start --exec /sbin/udevd -- --daemon </dev/console >/dev/console 2>/dev/console	start-stop-daemon --start --exec "${udev_daemon}" -- --daemon </dev/console >/dev/console 2>/dev/console
147	else	else
148	start-stop-daemon --start --exec /sbin/udevd -- --daemon	start-stop-daemon --start --exec "${udev_daemon}" -- --daemon
149	fi	fi
150	evaluate_retval	evaluate_retval
151
152	# write root_link rule	# write root_link rule
153	/lib/udev/write_root_link_rule	if [ -x ${udev_prefix}/lib/udev/write_root_link_rule ]
154		then
155		${udev_prefix}/lib/udev/write_root_link_rule
156		fi
157
158	# populate udev device nodes	# populate udev device nodes
159	populate_udev	populate_udev
160
#	Line 165  start_devicemanager()	Line 171  start_devicemanager()
171
172	stop_devicemanager()	stop_devicemanager()
173	{	{
174		local udev_daemon=""
175
176		# get the right daemon and prefix for newer udev/systemd-udev installations
177		if [ -x /sbin/udevd ]
178		then
179		udev_daemon="/sbin/udevd"
180		elif [ -x /lib/udev/udevd ]
181		then
182		udev_daemon="/lib/udev/udevd"
183		elif [ -x /usr/lib/systemd/systemd-udevd ]
184		then
185		udev_daemon="/usr/lib/systemd/systemd-udevd"
186		fi
187
188	rc_print "Stopping udevd daemon ..."	rc_print "Stopping udevd daemon ..."
189	start-stop-daemon --stop --exec /sbin/udevd	start-stop-daemon --stop --exec "${udev_daemon}"
190	evaluate_retval	evaluate_retval
191	}	}

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