| 1 | #!/bin/sh
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| 2 | ########################################################################
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| 3 | # Begin udev
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| 4 | #
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| 5 | # Description : Udev cold-plugging script
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| 6 | #
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| 7 | # Authors : Zack Winkles, Alexander E. Patrakov
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| 8 | # DJ Lucas - dj@linuxfromscratch.org
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| 9 | # Update : Bruce Dubbs - bdubbs@linuxfromscratch.org
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| 10 | #
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| 11 | # Version : LFS 7.0
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| 12 | #
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| 13 | ########################################################################
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| 14 |
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| 15 | ### BEGIN INIT INFO
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| 16 | # Provides: udev $time
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| 17 | # Required-Start: localnet
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| 18 | # Should-Start: modules
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| 19 | # Required-Stop:
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| 20 | # Should-Stop:
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| 21 | # Default-Start: S
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| 22 | # Default-Stop:
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| 23 | # Short-Description: Populates /dev with device nodes.
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| 24 | # Description: Mounts a tempfs on /dev and starts the udevd daemon.
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| 25 | # Device nodes are created as defined by udev.
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| 26 | # X-LFS-Provided-By: LFS
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| 27 | ### END INIT INFO
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| 28 |
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| 29 | . /lib/lsb/init-functions
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| 30 |
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| 31 | case "${1}" in
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| 32 | start)
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| 33 | log_info_msg "Populating /dev with device nodes... "
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| 34 | if ! grep -q '[[:space:]]sysfs' /proc/mounts; then
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| 35 | log_failure_msg2
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| 36 | msg="FAILURE:\n\nUnable to create "
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| 37 | msg="${msg}devices without a SysFS filesystem\n\n"
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| 38 | msg="${msg}After you press Enter, this system "
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| 39 | msg="${msg}will be halted and powered off.\n\n"
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| 40 | log_info_msg "$msg"
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| 41 | log_info_msg "Press Enter to continue..."
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| 42 | wait_for_user
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| 43 | /etc/rc.d/init.d/halt stop
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| 44 | fi
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| 45 |
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| 46 | # Start the udev daemon to continually watch for, and act on,
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| 47 | # uevents
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| 48 | /sbin/udevd --daemon
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| 49 |
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| 50 | # Now traverse /sys in order to "coldplug" devices that have
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| 51 | # already been discovered
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| 52 | /sbin/udevadm trigger --action=add --type=subsystems
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| 53 | /sbin/udevadm trigger --action=add --type=devices
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| 54 | /sbin/udevadm trigger --action=change --type=devices
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| 55 |
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| 56 | # Now wait for udevd to process the uevents we triggered
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| 57 | if ! is_true "$OMIT_UDEV_SETTLE"; then
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| 58 | /sbin/udevadm settle
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| 59 | fi
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| 60 |
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| 61 | # If any LVM based partitions are on the system, ensure they
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| 62 | # are activated so they can be used.
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| 63 | if [ -x /sbin/vgchange ]; then /sbin/vgchange -a y >/dev/null; fi
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| 64 |
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| 65 | log_success_msg2
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| 66 | ;;
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| 67 |
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| 68 | *)
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| 69 | echo "Usage ${0} {start}"
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| 70 | exit 1
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| 71 | ;;
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| 72 | esac
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| 73 |
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| 74 | exit 0
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| 75 |
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| 76 | # End udev
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