# Yes, it's very verbose, feel free to turn off all of the echo calls,
# they were there to make me feel better that everything was working
# properly during development...
-#
+
+# default value, if no config present.
+udev_root="/dev/"
+sysfs_dir="/sys"
+udevd_timeout=8
+
# don't use udev if sysfs is not mounted.
-[ ! -d $sysfs_dir/class ] || exit 1
+[ -d $sysfs_dir/class ] || exit 1
[ -r /proc/mounts ] || exit 1
-[ -x /sbin/udev ] || exit 1
[ -f /etc/udev/udev.conf ] && . /etc/udev/udev.conf
-
. /etc/rc.d/init.d/functions
prog=udev
bin=/sbin/udev
udevd=/sbin/udevd
-MAKEDEV="/sbin/MAKEDEV"
make_extra_nodes () {
- ln -snf /proc/self/fd $udev_root/fd
- ln -snf /proc/self/fd/0 $udev_root/stdin
- ln -snf /proc/self/fd/1 $udev_root/stdout
- ln -snf /proc/self/fd/2 $udev_root/stderr
- ln -snf /proc/kcore $udev_root/core
-
- [ -d $udev_root/pts ] || (mkdir $udev_root/pts;chmod 0755 $udev_root/pts)
- [ -d $udev_root/shm ] || (mkdir $udev_root/shm;chmod 0755 $udev_root/shm)
-
- if [ -x $MAKEDEV ]; then
- $MAKEDEV -x $(
- for i in 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15; do
- echo cpu/$i/microcode;
- done;
- for i in 1 2 3 4 5 6; do echo tty$i;done;
- for i in 0 1 2 3 4 5 6 7; do echo loop$i; done;
- for i in 0 1 2 3; do echo lp$i; echo parport$i;done;
- echo net/tun ppp console null zero;
- );
- [ -a /dev/MAKEDEV ] || ln -s $MAKEDEV /dev/MAKEDEV;
- cp -a /etc/udev/devices/* /dev/ >/dev/null 2>&1 || :
- fi
+ grep '^[^#]' /etc/udev/links.conf | \
+ while read type name arg1; do
+ [ "$type" -a "$name" -a ! -e "$udev_root/$name" -a ! -L "/dev/$name" ] ||continue
+ case "$type" in
+ L) ln -s $arg1 $udev_root/$name ;;
+ D) mkdir -p $udev_root/$name ;;
+ M) mknod -m 600 /dev/$name $arg1 ;;
+ *) echo "links.conf: unparseable line ($type $name $arg1)" ;;
+ esac
+ done
+ [ -d /lib/udev/devices ] && cp -a /lib/udev/devices/* /dev/ >/dev/null 2>&1 || :
+ [ -d /lib64/udev/devices ] && cp -a /lib64/udev/devices/* /dev/ >/dev/null 2>&1 || :
}
kill_udevd() {
fi
}
-# we cannot use /usr/bin/find here
-find_d () {
- where=$1
- what=$2
- found=""
- for f in $where/*; do
- if [ -d "$f" -a ! -L "$f" ]; then
- if [ "$f" != "${f%%$what}" ];then
- # make sure we are at the path end
- # we have no dirname and basename
- rest="${f#*$what}"
- [ "${rest##*/}" = "$rest" ] && found="$found $f"
- fi
- found="$found $(find_d $f $what)"
- fi
- done
- echo "$found"
+set_hotplug_handler() {
+ echo "" > /proc/sys/kernel/hotplug
}
-# we cannot use /usr/bin/find here
-find_f () {
- where=$1
- what=$2
- found=""
- for f in $where/*; do
- if [ -d "$f" -a ! -L "$f" ]; then
- found="$found $(find_f $f $what)"
- elif [ -e "$f" ]; then
- [ "$f" != "${f%$what}" ] && found="$found $f"
- fi
- done
- echo "$found"
+export ACTION=add
+prog=udev
+ret=0
+show "Starting udev"
+busy
+
+# mount the tmpfs on ${udev_root%/}, if not already done
+LANG=C awk "\$2 == \"${udev_root%/}\" && \$3 == \"tmpfs\" { exit 1 }" /proc/mounts && {
+ if LANG=C fgrep -q "none ${udev_root%/}/pts " /proc/mounts; then
+ PTSDIR=$(mktemp -d ${TMPDIR:-/tmp}/tmpXXXXXX)
+ mount --move $udev_root/pts "$PTSDIR"
+ fi
+ if LANG=C fgrep -q "none ${udev_root%/}/shm " /proc/mounts; then
+ SHMDIR=$(mktemp -d ${TMPDIR:-/tmp}/tmpXXXXXX)
+ mount --move $udev_root/shm "$SHMDIR"
+ fi
+ mount -n -o mode=0755 -t tmpfs none "$udev_root"
+ mkdir -m 0755 $udev_root/pts
+ mkdir -m 0755 $udev_root/shm
+ if [ -n "$PTSDIR" ]; then
+ mount --move "$PTSDIR" $udev_root/pts
+ rmdir "$PTSDIR"
+ fi
+ if [ -n "$SHMDIR" ]; then
+ mount --move "$SHMDIR" $udev_root/shm
+ rmdir "$SHMDIR"
+ fi
+
+ ret=$(( $ret + $? ))
}
-# call hotplug with the scsi devices
-scsi_replay () {
- HOTPLUG=$(cat /proc/sys/kernel/hotplug)
- [ -z "$HOTPLUG" ] && return 1
+kill_udevd > "$udev_root/null" 2>&1
- scsi_hosts=$(find_d /sys/devices host\*)
- SEQNUM=1
+ # Start udevd daemon
+ udevd --daemon
+ ret=$(( $ret + $? ))
+
+ # Making extra nodes
+ make_extra_nodes
+ ret=$(( $ret + $? ))
+
+if [ -f "/sys/class/tty/console/uevent" ]; then
- for host in $scsi_hosts; do
- [ -d $host ] || continue
- devs=$(find_f $host type)
- for dev in $devs;do
- [ -f $dev ] || continue
- export SEQNUM
- DEVPATH=${dev%/type}
- DEVPATH=${DEVPATH#/sys}
- export DEVPATH
- export ACTION=add
- $HOTPLUG scsi_device
- SEQNUM=$(($SEQNUM + 1))
- $HOTPLUG scsi
- SEQNUM=$(($SEQNUM + 1))
- done
- done
- return 0
-}
+ # Setting default hotplug handler
+ set_hotplug_handler
+ ret=$(( $ret + $? ))
-ide_scan() {
- if [ ! -d /proc/ide ]; then
- return 1
- fi
- for i in /proc/ide/*/media; do
- read media < "$i"
- case "$media" in
- disk)
- module=ide-disk
- ;;
- cdrom)
- module=ide-cd
- ;;
- tape)
- module=ide-tape
- ;;
- floppy)
- module=ide-floppy
- ;;
- *)
- module=ide-generic
- ;;
- esac
- /sbin/modprobe $module
- done
- return 0
-}
+ # retrigger all events
+ # Udev find's it's own way of making this dir
+ # and making it by hand makes udevsettle
+ # work forever
+ #mkdir -p /dev/.udev/queue
+ udevadm trigger
+ ret=$(( $ret + $? ))
+
+ # wait for the events to finish
+ udevadm settle
+ ret=$(( $ret + $? ))
+else
+ echo "Kernel too old for this udev version"
+fi
-export ACTION=add
-export UDEV_NO_SLEEP=1
-prog=udev
-ret=0
-nls "Starting udev"
-# propagate $udev_root from /sys
-grep -q "none ${udev_root%/} " /proc/mounts || {
- mount -n -o mode=0755 -t tmpfs none "$udev_root"
- ret=$(($ret + $?))
-}
-rm -f $udev_root/.udev.tdb
-make_extra_nodes
-kill_udevd >/dev/null 2>&1
-scsi_replay >/dev/null 2>&1
-ret=$(($ret + $?))
-kill_udevd >/dev/null 2>&1
-ide_scan >/dev/null 2>&1
-/sbin/udevstart
-ret=$(($ret + $?))
+ret=$(( $ret + $? ))
[ $ret -eq 0 ] && ok || fail
exit 0
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