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-rw-r--r--meta/recipes-core/systemd/systemd/init104
1 files changed, 104 insertions, 0 deletions
diff --git a/meta/recipes-core/systemd/systemd/init b/meta/recipes-core/systemd/systemd/init
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index 0000000..ea52be4
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+++ b/meta/recipes-core/systemd/systemd/init
@@ -0,0 +1,104 @@
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
14export TZ=/etc/localtime
15
16[ -d /sys/class ] || exit 1
17[ -r /proc/mounts ] || exit 1
18[ -x @UDEVD@ ] || exit 1
19[ -f /etc/default/udev-cache ] && . /etc/default/udev-cache
20[ -f /etc/udev/udev.conf ] && . /etc/udev/udev.conf
21
22readfile () {
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
32case "$1" in
33 start)
34 export ACTION=add
35 # propagate /dev from /sys
36 echo "Starting udev"
37
38 # mount the devtmpfs on /dev, if not already done
39 LANG=C awk '$2 == "/dev" && ($3 == "devtmpfs") { exit 1 }' /proc/mounts && {
40 mount -n -o mode=0755 -t devtmpfs none "/dev"
41 }
42 [ -e /dev/pts ] || mkdir -m 0755 /dev/pts
43 [ -e /dev/shm ] || mkdir -m 1777 /dev/shm
44 mount -a -t tmpfs 2>/dev/null
45
46 # cache handling
47 if [ "$DEVCACHE" != "" ]; then
48 readfile /proc/version
49 VERSION="$READDATA"
50 readfile /proc/cmdline
51 CMDLINE="$READDATA"
52 readfile /proc/devices
53 DEVICES="$READDATA"
54 readfile /proc/atags
55 ATAGS="$READDATA"
56
57 if [ -e $DEVCACHE ]; then
58 readfile /etc/udev/cache.data
59 if [ "$READDATA" = "$VERSION$CMDLINE$DEVICES$ATAGS" ]; then
60 (cd /; tar xf $DEVCACHE > /dev/null 2>&1)
61 not_first_boot=1
62 [ "$VERBOSE" != "no" ] && echo "udev: using cache file $DEVCACHE"
63 [ -e /dev/shm/udev.cache ] && rm -f /dev/shm/udev.cache
64 else
65 echo "$VERSION$CMDLINE$DEVICES$ATAGS" > /dev/shm/udev.cache
66 fi
67 else
68 echo "$VERSION$CMDLINE$DEVICES$ATAGS" > /dev/shm/udev.cache
69 fi
70 fi
71
72 # make_extra_nodes
73 killproc systemd-udevd > "/dev/null" 2>&1
74
75 # trigger the sorted events
76 echo -e '\000\000\000\000' > /proc/sys/kernel/hotplug
77 @UDEVD@ -d
78
79 udevadm control --env=STARTUP=1
80 if [ "$not_first_boot" != "" ];then
81 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
82 (udevadm settle --timeout=3; udevadm control --env=STARTUP=)&
83 else
84 udevadm trigger --action=add
85 udevadm settle
86 fi
87 ;;
88 stop)
89 echo "Stopping udevd"
90 start-stop-daemon --stop --name systemd-udevd --quiet
91 ;;
92 restart)
93 $0 stop
94 sleep 1
95 $0 start
96 ;;
97 status)
98 status systemd-udevd
99 ;;
100 *)
101 echo "Usage: $0 {start|stop|status|restart}"
102 exit 1
103esac
104exit 0