[PATCH] added init.d udev script for debian

Thanks to Mathieu Segaud <matt@minas-morgul.org> for the file.

1 files changed, 113 insertions, 0 deletions

diff --git a/etc/init.d/udev.debian b/etc/init.d/udev.debian
new file mode 100644
index 0000000000..cf7b0070ad
--- /dev/null
+++ b/etc/init.d/udev.debian
@@ -0,0 +1,113 @@
+#! /bin/bash
+#
+# random	init script to setup /udev
+#
+# chkconfig: 2345 20 80
+# description: manage user-space device nodes in /udev
+#
+# 2003-12-23: - some tweaks to run silently on a debian system
+# 2003-12-30: - manage creation (and deletion) of /proc/self/fd->fd and 
+#		fd/[0,1,2]->std[in,out,err] links
+# 	      - creation and deletion of /proc/kcore->core link	
+#	      - creation and deletion of /proc/asound/oss/sndstat->sndstat link 
+
+
+
+udev_dir=/udev
+sysfs_dir=/sys
+bin=/sbin/udev
+
+action () {
+	if test $2 ; then
+		echo $1
+	else
+		echo "Assertion $2 failed"
+		echo "Aborting"
+		exit 1
+	fi
+}
+
+run_udev () {
+	# handle block devices and their partitions
+	for i in ${sysfs_dir}/block/*; do
+		# add each drive
+		export DEVPATH=${i#${sysfs_dir}}
+		$bin block &
+
+		# add each partition, on each device
+		for j in $i/*; do
+			if [ -f $j/dev ]; then
+				export DEVPATH=${j#${sysfs_dir}}
+				$bin block &
+			fi
+		done
+	done
+	# all other device classes
+	for i in ${sysfs_dir}/class/*; do
+		for j in $i/*; do
+			if [ -f $j/dev ]; then
+				export DEVPATH=${j#${sysfs_dir}}
+				CLASS=`echo ${i#${sysfs_dir}} | \
+					cut --delimiter='/' --fields=3-`
+				$bin $CLASS &
+			fi
+		done
+	done
+}
+
+
+case "$1" in
+  start)
+	if [ ! -d $udev_dir ]; then
+		mkdir $udev_dir
+	fi
+	if [ ! -d $sysfs_dir ]; then
+		exit 1
+	fi
+	# propogate /udev from /sys - we only need this while we do not
+	# have initramfs and an early user-space with which to do early
+	# device bring up
+	action "Creating initial udev device nodes: " /bin/true
+	export ACTION=add
+	run_udev 
+
+	# hack to create stdin node
+	cd /udev && ln -s /proc/self/fd fd
+	cd /udev && ln -s fd/0 stdin
+	cd /udev && ln -s fd/1 stdout
+	cd /udev && ln -s fd/2 stderr
+	cd /udev && ln -s /proc/kcore core
+	cd /udev && ln -s /proc/asound/oss/sndstat sndstat
+	;;
+  stop)
+  	# be careful
+	action "Removing udev device nodes: " /bin/true
+	export ACTION=remove
+	run_udev 
+	rm -f /udev/sndstat
+	rm -f /udev/core
+	rm -f /udev/stderr
+	rm -f /udev/stdout
+	rm -f /udev/stdin
+	rm -f /udev/fd
+	;;
+  status)
+  	if [ -d $udev_dir ]; then
+		echo "the udev device node directory exists"
+	else
+		echo "the udev device node directory does not exist"
+	fi
+	;;
+  restart)
+	$0 stop
+	$0 start
+	;;
+  reload)
+  	# nothing to do here
+	;;
+  *)
+  	echo "Usage: $0 {start|stop|status|restart}"
+	exit 1
+esac
+
+exit 0