diff options
Diffstat (limited to 'meta/recipes-core/systemd/systemd/init')
-rw-r--r-- | meta/recipes-core/systemd/systemd/init | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/meta/recipes-core/systemd/systemd/init b/meta/recipes-core/systemd/systemd/init new file mode 100644 index 0000000000..0ddd0434f2 --- /dev/null +++ b/meta/recipes-core/systemd/systemd/init | |||
@@ -0,0 +1,101 @@ | |||
1 | #!/bin/sh | ||
2 | |||
3 | ### BEGIN INIT INFO | ||
4 | # Provides: udev | ||
5 | # Required-Start: mountvirtfs | ||
6 | # Required-Stop: | ||
7 | # Default-Start: S | ||
8 | # Default-Stop: | ||
9 | # Short-Description: Start udevd, populate /dev and load drivers. | ||
10 | ### END INIT INFO | ||
11 | |||
12 | . /etc/init.d/functions | ||
13 | |||
14 | export TZ=/etc/localtime | ||
15 | |||
16 | [ -d /sys/class ] || exit 1 | ||
17 | [ -r /proc/mounts ] || exit 1 | ||
18 | [ -x /lib/systemd/systemd-udevd ] || exit 1 | ||
19 | [ -f /etc/default/udev-cache ] && . /etc/default/udev-cache | ||
20 | [ -f /etc/udev/udev.conf ] && . /etc/udev/udev.conf | ||
21 | |||
22 | readfile () { | ||
23 | filename=$1 | ||
24 | READDATA="" | ||
25 | if [ -r $filename ]; then | ||
26 | while read line; do | ||
27 | READDATA="$READDATA$line" | ||
28 | done < $filename | ||
29 | fi | ||
30 | } | ||
31 | |||
32 | case "$1" in | ||
33 | start) | ||
34 | export ACTION=add | ||
35 | # propagate /dev from /sys | ||
36 | echo "Starting udev" | ||
37 | |||
38 | # mount the tmpfs on /dev, if not already done | ||
39 | LANG=C awk '$2 == "/dev" && ($3 == "tmpfs" || $3 == "devtmpfs") { exit 1 }' /proc/mounts && { | ||
40 | mount -n -o mode=0755 -t tmpfs none "/dev" | ||
41 | } | ||
42 | [ -e /dev/pts ] || mkdir -m 0755 /dev/pts | ||
43 | [ -e /dev/shm ] || mkdir -m 1777 /dev/shm | ||
44 | mount -a -t tmpfs 2>/dev/null | ||
45 | mkdir -p /var/volatile/run | ||
46 | |||
47 | # cache handling | ||
48 | if [ "$DEVCACHE" != "" ]; then | ||
49 | readfile /proc/version | ||
50 | VERSION="$READDATA" | ||
51 | readfile /proc/cmdline | ||
52 | CMDLINE="$READDATA" | ||
53 | readfile /proc/devices | ||
54 | DEVICES="$READDATA" | ||
55 | readfile /proc/atags | ||
56 | ATAGS="$READDATA" | ||
57 | |||
58 | if [ -e $DEVCACHE ]; then | ||
59 | readfile /etc/udev/cache.data | ||
60 | if [ "$READDATA" = "$VERSION$CMDLINE$DEVICES$ATAGS" ]; then | ||
61 | (cd /; tar xf $DEVCACHE > /dev/null 2>&1) | ||
62 | not_first_boot=1 | ||
63 | fi | ||
64 | |||
65 | echo "$VERSION$CMDLINE$DEVICES$ATAGS" > /dev/shm/udev.cache | ||
66 | fi | ||
67 | fi | ||
68 | |||
69 | # make_extra_nodes | ||
70 | killproc systemd-udevd > "/dev/null" 2>&1 | ||
71 | |||
72 | # trigger the sorted events | ||
73 | echo -e '\000\000\000\000' > /proc/sys/kernel/hotplug | ||
74 | /lib/systemd/systemd-udevd -d | ||
75 | |||
76 | /usr/bin/udevadm control --env=STARTUP=1 | ||
77 | if [ "$not_first_boot" != "" ];then | ||
78 | /usr/bin/udevadm trigger --action=add --subsystem-nomatch=tty --subsystem-nomatch=mem --subsystem-nomatch=vc --subsystem-nomatch=vtconsole --subsystem-nomatch=misc --subsystem-nomatch=dcon --subsystem-nomatch=pci_bus --subsystem-nomatch=graphics --subsystem-nomatch=backlight --subsystem-nomatch=video4linux --subsystem-nomatch=platform | ||
79 | (/usr/bin/udevadm settle --timeout=3; /usr/bin/udevadm control --env=STARTUP=)& | ||
80 | else | ||
81 | /usr/bin/udevadm trigger --action=add | ||
82 | /usr/bin/udevadm settle | ||
83 | fi | ||
84 | ;; | ||
85 | stop) | ||
86 | echo "Stopping udevd" | ||
87 | start-stop-daemon --stop --name udevd --quiet | ||
88 | ;; | ||
89 | restart) | ||
90 | $0 stop | ||
91 | sleep 1 | ||
92 | $0 start | ||
93 | ;; | ||
94 | status) | ||
95 | status udevd | ||
96 | ;; | ||
97 | *) | ||
98 | echo "Usage: $0 {start|stop|status|restart}" | ||
99 | exit 1 | ||
100 | esac | ||
101 | exit 0 | ||