1 files changed, 98 insertions, 0 deletions
diff --git a/sys-apps/busybox/files/mdev.rc.1 b/sys-apps/busybox/files/mdev.rc.1
new file mode 100755
index 000000000000..74cc8c68f82d
--- /dev/null
+++ b/sys-apps/busybox/files/mdev.rc.1
@@ -0,0 +1,98 @@
+#!/sbin/runscript
+# Copyright 1999-2012 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+depend()
+{
+	provide dev dev-mount
+	need sysfs
+}
+
+find_mdev()
+{
+	if [ -x /sbin/mdev ] ; then
+		echo "/sbin/mdev"
+	else
+		echo "/bin/busybox mdev"
+	fi
+}
+
+populate_mdev()
+{
+	# populate /dev with devices already found by the kernel
+
+	if get_bootparam "nocoldplug" ; then
+		RC_COLDPLUG="no"
+		ewarn "Skipping mdev coldplug as requested in kernel cmdline"
+	fi
+
+	ebegin "Populating /dev with existing devices with mdev -s"
+	$(find_mdev) -s
+	eend $?
+
+	return 0
+}
+
+seed_dev()
+{
+	# Seed /dev with some things that we know we need
+
+	# creating /dev/console and /dev/tty1 to be able to write
+	# to $CONSOLE with/without bootsplash before mdev creates it
+	[ -c /dev/console ] || mknod /dev/console c 5 1
+	[ -c /dev/tty1 ] || mknod /dev/tty1 c 4 1
+
+	# udevd will dup its stdin/stdout/stderr to /dev/null
+	# and we do not want a file which gets buffered in ram
+	[ -c /dev/null ] || mknod /dev/null c 1 3
+
+	# copy over any persistant things
+	if [ -d /lib/mdev/devices ] ; then
+		cp -RPp /lib/mdev/devices/* /dev 2>/dev/null
+	fi
+
+	# Not provided by sysfs but needed
+	ln -snf /proc/self/fd /dev/fd
+	ln -snf fd/0 /dev/stdin
+	ln -snf fd/1 /dev/stdout
+	ln -snf fd/2 /dev/stderr
+	[ -e /proc/kcore ] && ln -snf /proc/kcore /dev/core
+
+	# Create problematic directories
+	mkdir -p /dev/pts /dev/shm
+}
+
+mount_it()
+{
+	if fstabinfo --quiet /dev ; then
+		mount -n /dev
+	else
+		# Some devices require exec, Bug #92921
+		mount -n -t tmpfs -o "exec,nosuid,mode=0755,size=10M" mdev /dev
+	fi
+}
+
+start()
+{
+	# Setup temporary storage for /dev
+	ebegin "Mounting /dev for mdev"
+	mount_it
+	eend $?
+
+	# Create a file so that our rc system knows it's still in sysinit.
+	# Existance means init scripts will not directly run.
+	# rc will remove the file when done with sysinit.
+	touch /dev/.rcsysinit
+
+	seed_dev
+
+	# Setup hotplugging (if possible)
+	if [ -e /proc/sys/kernel/hotplug ] ; then
+		ebegin "Setting up mdev as hotplug agent"
+		echo $(find_mdev) > /proc/sys/kernel/hotplug
+		eend 0
+	fi
+
+	populate_mdev
+}