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-rwxr-xr-xmain/udev/udev.initd239
1 files changed, 239 insertions, 0 deletions
diff --git a/main/udev/udev.initd b/main/udev/udev.initd
new file mode 100755
index 00000000..26774ab4
--- /dev/null
+++ b/main/udev/udev.initd
@@ -0,0 +1,239 @@
+#!/sbin/runscript
+# Copyright 1999-2008 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+description="Run udevd and create the device-nodes"
+
+[ -e /etc/udev/udev.conf ] && . /etc/udev/udev.conf
+
+rc_coldplug=${rc_coldplug:-${RC_COLDPLUG:-YES}}
+
+depend()
+{
+ provide dev
+ if yesno "${rc_device_tarball:-no}"; then
+ need sysfs udev-mount udev-dev-tarball
+ else
+ need sysfs udev-mount
+ fi
+ before checkfs fsck
+
+ # udev does not work inside vservers
+ keyword novserver
+}
+
+cleanup()
+{
+ # fail more gracely and not leave udevd running
+ start-stop-daemon --stop --exec /sbin/udevd
+ exit 1
+}
+
+disable_hotplug_agent()
+{
+ if [ -e /proc/sys/kernel/hotplug ]; then
+ echo "" >/proc/sys/kernel/hotplug
+ fi
+}
+
+root_link()
+{
+ /lib/udev/write_root_link_rule
+}
+
+rules_disable_switch()
+{
+ # this function disables rules files
+ # by creating new files with the same name
+ # in a temp rules directory with higher priority
+ local d=/dev/.udev/rules.d bname="$1" onoff="$2"
+
+ if yesno "${onoff}"; then
+ mkdir -p "$d"
+ echo "# This file disables ${bname} due to /etc/conf.d/udev" \
+ > "${d}/${bname}"
+ else
+ rm -f "${d}/${bname}"
+ fi
+}
+
+start_udevd()
+{
+ # load unix domain sockets if built as module, Bug #221253
+ if [ -e /proc/modules ] ; then
+ modprobe -q unix 2>/dev/null
+ fi
+ ebegin "Starting udevd"
+ start-stop-daemon --start --exec /sbin/udevd -- --daemon
+ eend $?
+}
+
+# populate /dev with devices already found by the kernel
+populate_dev()
+{
+ if get_bootparam "nocoldplug" ; then
+ rc_coldplug="NO"
+ ewarn "Skipping udev coldplug as requested in kernel cmdline"
+ fi
+
+ ebegin "Populating /dev with existing devices through uevents"
+ if yesno "${rc_coldplug}"; then
+ udevadm trigger
+ else
+ # Do not run any init-scripts, Bug #206518
+ udevadm control --env do_not_run_plug_service=1
+
+ # only create device nodes
+ udevadm trigger --attr-match=dev
+
+ # run persistent-net stuff, bug 191466
+ udevadm trigger --subsystem-match=net
+ fi
+ eend $?
+
+ ebegin "Waiting for uevents to be processed"
+ udevadm settle --timeout=${udev_settle_timeout:-60}
+ eend $?
+
+ udevadm control --env do_not_run_plug_service=
+ return 0
+}
+
+# for debugging
+start_udevmonitor()
+{
+ yesno "${udev_monitor:-no}" || return 0
+
+ udevmonitor_log=/dev/.udev/udevmonitor.log
+ udevmonitor_pid=/dev/.udev/udevmonitor.pid
+
+ einfo "udev: Running udevadm monitor ${udev_monitor_opts} to get a log of all events"
+ start-stop-daemon --start --stdout "${udevmonitor_log}" \
+ --make-pidfile --pidfile "${udevmonitor_pid}" \
+ --background --exec /sbin/udevadm -- monitor ${udev_monitor_opts}
+}
+
+stop_udevmonitor()
+{
+ yesno "${udev_monitor:-no}" || return 0
+
+ if yesno "${udev_monitor_keep_running:-no}"; then
+ ewarn "udev: udevmonitor is still running and writing into ${udevmonitor_log}"
+ else
+ einfo "udev: Stopping udevmonitor: Log is in ${udevmonitor_log}"
+ start-stop-daemon --stop --pidfile "${udevmonitor_pid}" --exec /sbin/udevadm
+ fi
+}
+
+display_hotplugged_services() {
+ local svcfile= svc= services=
+ for svcfile in "${RC_SVCDIR}"/hotplugged/*; do
+ svc="${svcfile##*/}"
+ [ -x "${svcfile}" ] || continue
+
+ # do not display this - better: do only inject it later :)
+ [ "$svc" = "udev-postmount" ] && continue
+
+ services="${services} ${svc}"
+ done
+ [ -n "${services}" ] && einfo "Device initiated services:${HILITE}${services}${NORMAL}"
+}
+
+inject_postmount_initd() {
+ if ! mark_service_hotplugged udev-postmount; then
+ IN_HOTPLUG=1 /etc/init.d/udev-postmount start >/dev/null 2>&1
+ fi
+ #einfo "Injected udev-postmount service"
+}
+
+check_persistent_net()
+{
+ # check if there are problems with persistent-net
+ local syspath= devs= problem=false
+ for syspath in /sys/class/net/*_rename*; do
+ if [ -d "${syspath}" ]; then
+ devs="${devs} ${syspath##*/}"
+ problem=true
+ fi
+ done
+
+ ${problem} || return 0
+
+ eerror "UDEV: Your system has a problem assigning persistent names"
+ eerror "to these network interfaces: ${devs}"
+
+ einfo "Checking persistent-net rules:"
+ # the sed-expression lists all duplicate lines
+ # from the input, like "uniq -d" does, but uniq
+ # is installed into /usr/bin and not available at boot.
+ dups=$(
+ RULES_FILE='/etc/udev/rules.d/70-persistent-net.rules'
+ . /lib/udev/rule_generator.functions
+ find_all_rules 'NAME=' '.*' | \
+ tr ' ' '\n' | \
+ sort | \
+ sed '$!N; s/^\(.*\)\n\1$/\1/; t; D'
+ )
+ if [ -n "${dups}" ]; then
+ ewarn "The rules create multiple entries assigning these names:"
+ eindent
+ ewarn "${dups}"
+ eoutdent
+ else
+ ewarn "Found no duplicate names in persistent-net rules,"
+ ewarn "there must be some other problem!"
+ fi
+ return 1
+}
+
+check_udev_works()
+{
+ # should exist on every system, else udev failed
+ if [ ! -e /dev/zero ]; then
+ eerror "Assuming udev failed somewhere, as /dev/zero does not exist."
+ return 1
+ fi
+ return 0
+}
+
+start()
+{
+ # do not run this on old baselayout where udev-addon gets loaded
+ if [ ! -f /etc/init.d/sysfs ]; then
+ eerror "The $SVCNAME init-script is written for baselayout-2!"
+ eerror "Please do not use it with baselayout-1!".
+ return 1
+ fi
+
+ _start
+
+ display_hotplugged_services
+
+ inject_postmount_initd
+}
+
+_start()
+{
+ root_link
+ rules_disable_switch 75-persistent-net-generator.rules "${persistent_net_disable:-no}"
+ rules_disable_switch 75-cd-aliases-generator.rules ${persistent_cd_disable:-no}
+
+ disable_hotplug_agent
+ start_udevd || cleanup
+ start_udevmonitor
+ populate_dev || cleanup
+
+ check_persistent_net
+
+ check_udev_works || cleanup
+ stop_udevmonitor
+
+ return 0
+}
+
+stop() {
+ ebegin "Stopping udevd"
+ start-stop-daemon --stop --exec /sbin/udevd
+ eend $?
+}
+