mirrors/poky
1
0
Fork 0
mirror of https://git.yoctoproject.org/poky synced 2026-05-07 16:59:22 +00:00
Code Issues Projects Releases Wiki Activity

udev: Add start/stop/status/restart support to init script

Browse Source 
[ CQID: WIND00388860 ]

Add the ability to use "stop", "start", "restart" and "status"
with the udev initscript.

(From OE-Core rev: bc6193824ec3eb1f3c590a93ccb79c8588b74412)

Signed-off-by: Jesse Zhang <sen.zhang@windriver.com>
Signed-off-by: Mark Hatle <mark.hatle@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Jesse Zhang
2013-01-26 17:16:26 +08:00
committed by Richard Purdie
parent 2e913bc62a
commit a38e4d91cf
2 changed files with 65 additions and 50 deletions
Download Patch File Download Diff File Expand all files Collapse all files
meta/recipes-core/udev/udev/init
+64 -49
View File
@@ -9,6 +9,8 @@
# Short-Description: Start udevd, populate /dev and load drivers. # Short-Description: Start udevd, populate /dev and load drivers.
### END INIT INFO ### END INIT INFO
. /etc/init.d/functions
export TZ=/etc/localtime export TZ=/etc/localtime
[ -d /sys/class ] || exit 1 [ -d /sys/class ] || exit 1
@@ -27,60 +29,73 @@ readfile () {
fi fi
} }
kill_udevd() { case "$1" in
pid=`pidof -x udevd` start)
[ -n "$pid" ] && kill $pid export ACTION=add
} # propagate /dev from /sys
echo "Starting udev"
export ACTION=add # mount the tmpfs on /dev, if not already done
# propagate /dev from /sys LANG=C awk '$2 == "/dev" && ($3 == "tmpfs" || $3 == "devtmpfs") { exit 1 }' /proc/mounts && {
echo "Starting udev" mount -n -o mode=0755 -t tmpfs none "/dev"
}
[ -e /dev/pts ] || mkdir -m 0755 /dev/pts
[ -e /dev/shm ] || mkdir -m 1777 /dev/shm
mount -a -t tmpfs 2>/dev/null
mkdir -p /var/volatile/run
# mount the tmpfs on /dev, if not already done # cache handling
LANG=C awk '$2 == "/dev" && ($3 == "tmpfs" || $3 == "devtmpfs") { exit 1 }' /proc/mounts && { if [ "$DEVCACHE" != "" ]; then
mount -n -o mode=0755 -t tmpfs none "/dev" readfile /proc/version
} VERSION="$READDATA"
[ -e /dev/pts ] || mkdir -m 0755 /dev/pts readfile /proc/cmdline
[ -e /dev/shm ] || mkdir -m 1777 /dev/shm CMDLINE="$READDATA"
mount -a -t tmpfs 2>/dev/null readfile /proc/devices
mkdir -p /var/volatile/run DEVICES="$READDATA"
readfile /proc/atags
ATAGS="$READDATA"
# cache handling if [ -e $DEVCACHE ]; then
if [ "$DEVCACHE" != "" ]; then readfile /etc/udev/cache.data
readfile /proc/version if [ "$READDATA" = "$VERSION$CMDLINE$DEVICES$ATAGS" ]; then
VERSION="$READDATA" (cd /; tar xf $DEVCACHE > /dev/null 2>&1)
readfile /proc/cmdline not_first_boot=1
CMDLINE="$READDATA" fi
readfile /proc/devices
DEVICES="$READDATA"
readfile /proc/atags
ATAGS="$READDATA"
if [ -e $DEVCACHE ]; then echo "$VERSION$CMDLINE$DEVICES$ATAGS" > /dev/shm/udev.cache
readfile /etc/udev/cache.data fi
if [ "$READDATA" = "$VERSION$CMDLINE$DEVICES$ATAGS" ]; then fi
(cd /; tar xf $DEVCACHE > /dev/null 2>&1)
not_first_boot=1
fi
echo "$VERSION$CMDLINE$DEVICES$ATAGS" > /dev/shm/udev.cache # make_extra_nodes
fi killproc udevd > "/dev/null" 2>&1
fi
# make_extra_nodes # trigger the sorted events
kill_udevd > "/dev/null" 2>&1 echo -e '\000\000\000\000' > /proc/sys/kernel/hotplug
/lib/udev/udevd -d
# trigger the sorted events
echo -e '\000\000\000\000' > /proc/sys/kernel/hotplug
/lib/udev/udevd -d
/usr/bin/udevadm control --env=STARTUP=1
if [ "$not_first_boot" != "" ];then
/usr/bin/udevadm trigger --action=add --subsystem-nomatch=tty --subsystem-nomatch=mem --subsystem-nomatch=vc --subsystem-nomatch=vtconsole --subsystem-nomatch=misc --subsystem-nomatch=dcon --subsystem-nomatch=pci_bus --subsystem-nomatch=graphics --subsystem-nomatch=backlight --subsystem-nomatch=video4linux --subsystem-nomatch=platform
(/usr/bin/udevadm settle --timeout=3; /usr/bin/udevadm control --env=STARTUP=)&
else
/usr/bin/udevadm trigger --action=add
/usr/bin/udevadm settle
fi
/usr/sbin/udevadm control --env=STARTUP=1
if [ "$not_first_boot" != "" ];then
/usr/sbin/udevadm trigger --action=add --subsystem-nomatch=tty --subsystem-nomatch=mem --subsystem-nomatch=vc --subsystem-nomatch=vtconsole --subsystem-nomatch=misc --subsystem-nomatch=dcon --subsystem-nomatch=pci_bus --subsystem-nomatch=graphics --subsystem-nomatch=backlight --subsystem-nomatch=video4linux --subsystem-nomatch=platform
(/usr/sbin/udevadm settle --timeout=3; /sbin/udevadm control --env=STARTUP=)&
else
/usr/sbin/udevadm trigger --action=add
/usr/sbin/udevadm settle
fi
;;
stop)
echo "Stopping udevd"
start-stop-daemon --stop --name udevd --quiet
;;
restart)
$0 stop
sleep 1
$0 start
;;
status)
status udevd
;;
*)
echo "Usage: $0 {start|stop|status|restart}"
exit 1
esac
exit 0 exit 0
meta/recipes-core/udev/udev_182.bb
+1 -1
View File
@@ -1,6 +1,6 @@
include udev.inc include udev.inc
PR = "r4" PR = "r5"
# module-init-tools from kmod_git will provide libkmod runtime # module-init-tools from kmod_git will provide libkmod runtime
DEPENDS += "module-init-tools" DEPENDS += "module-init-tools"