projects / packages / systemd.git / blame
| Commit | Line | Data |
|---|---|---|
| 05149ed5 AM |
1 | #!/bin/sh |
| 2 | # | |
| 3 | # start_udev | |
| 4 | # | |
| 5 | # script to initialize /dev by using udev. | |
| 6 | # | |
| 7 | # Copyright (C) 2004 Greg Kroah-Hartman <greg@kroah.com> | |
| 8 | # | |
| 9 | # Released under the GPL v2 only. | |
| 10 | # | |
| 11 | # This needs to be run at the earliest possible point in the boot | |
| 12 | # process. | |
| 13 | # | |
| 14 | # Based on the udev init.d script | |
| 15 | # | |
| 16 | # Thanks go out to the Gentoo developers for proving | |
| 17 | # that this is possible to do. | |
| 18 | # | |
| 19 | # Yes, it's very verbose, feel free to turn off all of the echo calls, | |
| 20 | # they were there to make me feel better that everything was working | |
| 21 | # properly during development... | |
| 22 | # | |
| 23 | # don't use udev if sysfs is not mounted. | |
| 24 | [ ! -d $sysfs_dir/class ] || exit 1 | |
| 25 | [ -r /proc/mounts ] || exit 1 | |
| 26 | [ -x /sbin/udev ] || exit 1 | |
| 27 | [ -f /etc/udev/udev.conf ] && . /etc/udev/udev.conf | |
| 28 | ||
| 29 | ||
| 30 | . /etc/init.d/functions | |
| 31 | ||
| 32 | prog=udev | |
| 33 | sysfs_dir=/sys | |
| 34 | bin=/sbin/udev | |
| 35 | udevd=/sbin/udevd | |
| 36 | MAKEDEV="/sbin/MAKEDEV" | |
| 37 | ||
| 38 | make_extra_nodes () { | |
| 39 | ln -snf /proc/self/fd $udev_root/fd | |
| 40 | ln -snf /proc/self/fd/0 $udev_root/stdin | |
| 41 | ln -snf /proc/self/fd/1 $udev_root/stdout | |
| 42 | ln -snf /proc/self/fd/2 $udev_root/stderr | |
| 43 | ln -snf /proc/kcore $udev_root/core | |
| 44 | ||
| 45 | [ -d $udev_root/pts ] || (mkdir $udev_root/pts;chmod 0755 $udev_root/pts) | |
| 46 | [ -d $udev_root/shm ] || (mkdir $udev_root/shm;chmod 0755 $udev_root/shm) | |
| 47 | ||
| 48 | if [ -x $MAKEDEV ]; then | |
| 49 | $MAKEDEV -x $( | |
| 50 | for i in 0 1 2 3 4 5 6 7; do echo fd$i; done | |
| 51 | for i in 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15; do | |
| 52 | echo cpu/$i/microcode; | |
| 53 | done; | |
| 54 | for i in 0 1 2 3 4 5 6 7; do echo loop$i; done | |
| 55 | for i in 0 1 2 3; do echo lp$i; echo par$i;done | |
| 56 | echo net/tun ppp; | |
| 57 | ); | |
| 58 | [ -a /dev/MAKEDEV ] || ln -s $MAKEDEV /dev/MAKEDEV; | |
| 59 | fi | |
| 60 | } | |
| 61 | ||
| 62 | mount_udev() { | |
| 63 | mount -n -o fscontext=system_u:object_r:device_t,mode=0755 \ | |
| 64 | -t tmpfs none "$udev_root" | |
| 65 | return $? | |
| 66 | } | |
| 67 | ||
| 68 | ||
| 69 | grep -q " ${udev_root%/} " /proc/mounts || { | |
| 70 | STRING=$"Mounting... tmpfs at $udev_root: " | |
| 71 | echo -n "$STRING "; | |
| 72 | mount_udev && success $"$STRING" || failure $"$STRING"; | |
| 73 | } | |
| 74 | ||
| 75 | ||
| 76 | STRING=$"Making extra nodes: " | |
| 77 | echo -n "$STRING " | |
| 78 | make_extra_nodes && success $"$STRING" || failure $"$STRING" | |
| 79 | echo | |
| 80 | ||
| 81 | export ACTION=add | |
| 82 | export UDEV_NO_SLEEP=1 | |
| 83 | STRING=$"Starting udev: " | |
| 84 | # propagate $udev_root from /sys | |
| 85 | echo -n "$STRING " | |
| 86 | rm -f $udev_root/.udev.tdb | |
| 87 | /sbin/udevstart && success $"$STRING" || failure $"$STRING" | |
| 88 | echo | |
| 89 | ||
| 90 | exit 0 |