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- #!/bin/sh
- ########################################################################
- # Begin $rc_base/init.d/udev
- #
- # Description : Udev cold-plugging script
- #
- # Authors : Zack Winkles, Alexander E. Patrakov
- #
- # Version : 00.02
- #
- # Notes :
- #
- ########################################################################
- . /etc/sysconfig/rc
- . ${rc_functions}
- case "${1}" in
- start)
- boot_mesg "Populating /dev with device nodes..."
- if ! grep -q '[[:space:]]sysfs' /proc/mounts; then
- echo_failure
- boot_mesg -n "FAILURE:\n\nUnable to create" ${FAILURE}
- boot_mesg -n " devices without a SysFS filesystem"
- boot_mesg -n "\n\nAfter you press Enter, this system"
- boot_mesg -n " will be halted and powered off."
- boot_mesg -n "\n\nPress Enter to continue..." ${INFO}
- boot_mesg "" ${NORMAL}
- read ENTER
- /etc/rc.d/init.d/halt stop
- fi
- # Mount a temporary file system over /dev, so that any devices
- # made or removed during this boot don't affect the next one.
- # The reason we don't write to mtab is because we don't ever
- # want /dev to be unavailable (such as by `umount -a').
- if ! mountpoint /dev > /dev/null; then
- mount -n -t tmpfs tmpfs /dev -o mode=755
- fi
- if [ ${?} != 0 ]; then
- echo_failure
- boot_mesg -n "FAILURE:\n\nCannot mount a tmpfs" ${FAILURE}
- boot_mesg -n " onto /dev, this system will be halted."
- boot_mesg -n "\n\nAfter you press Enter, this system"
- boot_mesg -n " will be halted and powered off."
- boot_mesg -n "\n\nPress Enter to continue..." ${INFO}
- boot_mesg "" ${NORMAL}
- read ENTER
- /etc/rc.d/init.d/halt stop
- fi
- ln -s /run/shm /dev/shm
- # Udev handles uevents itself, so we don't need to have
- # the kernel call out to any binary in response to them
- echo > /proc/sys/kernel/hotplug
- # Copy the only static device node that Udev >= 155 doesn't
- # handle to /dev
- cp -a /lib/udev/devices/null /dev
- # Start the udev daemon to continually watch for, and act on,
- # uevents
- /sbin/udevd --daemon
- # Now traverse /sys in order to "coldplug" devices that have
- # already been discovered
- /sbin/udevadm trigger --action=add
- # Now wait for udevd to process the uevents we triggered
- /sbin/udevadm settle
- evaluate_retval
- ;;
- *)
- echo "Usage ${0} {start}"
- exit 1
- ;;
- esac
- # End $rc_base/init.d/udev
|
