[1c48007] | 1 | #!/bin/sh
|
---|
[f3f65e73] | 2 | # Begin $RC_BASE/init.d/udev
|
---|
[1c48007] | 3 |
|
---|
| 4 | ### BEGIN INIT INFO
|
---|
| 5 | # Provides: udev
|
---|
[67de919] | 6 | # Required-Start:
|
---|
| 7 | # Should-Start: modules
|
---|
[1c48007] | 8 | # Required-Stop:
|
---|
| 9 | # Should-Stop:
|
---|
[010d108] | 10 | # Default-Start: S
|
---|
[1c48007] | 11 | # Default-Stop:
|
---|
| 12 | # Short-Description: Populated /dev with device nodes.
|
---|
| 13 | # Description: Mounts a tempfs on /dev and starts the udevd daemon.
|
---|
| 14 | # Device nodes are created as defined by udev.
|
---|
| 15 | # X-LFS-Provided-By: LFS
|
---|
| 16 | ### END INIT INFO
|
---|
| 17 |
|
---|
| 18 | . /lib/lsb/init-functions
|
---|
| 19 |
|
---|
| 20 | MESSAGE="Populating /dev with device nodes..."
|
---|
| 21 |
|
---|
| 22 | case "${1}" in
|
---|
| 23 | start)
|
---|
| 24 | if ! grep -q '[[:space:]]sysfs' /proc/mounts; then
|
---|
| 25 | echo_failure
|
---|
| 26 | boot_mesg -n "FAILURE:\n\nUnable to create" ${FAILURE}
|
---|
| 27 | boot_mesg -n " devices without a SysFS filesystem"
|
---|
| 28 | boot_mesg -n "\n\nAfter you press Enter, this system"
|
---|
| 29 | boot_mesg -n " will be halted and powered off."
|
---|
| 30 | boot_mesg -n "\n\nPress Enter to continue..." ${INFO}
|
---|
| 31 | boot_mesg "" ${NORMAL}
|
---|
[bd1b5be] | 32 | $FAILURE_ACTION
|
---|
[1c48007] | 33 | /etc/rc.d/init.d/halt stop
|
---|
| 34 | fi
|
---|
| 35 |
|
---|
[dc55fb5e] | 36 | # If not using DEVTMPFS mount a temporary file system over
|
---|
| 37 | # /dev, so that any devices made or removed during this boot
|
---|
| 38 | # don't affect the next one. The reason we don't write to mtab
|
---|
| 39 | # is because we don't ever want /dev to be unavailable (such as
|
---|
| 40 | # by `umount -a').
|
---|
[3179cd6] | 41 | if ! mountpoint /dev > /dev/null; then
|
---|
| 42 | mount -n -t tmpfs tmpfs /dev -o mode=755
|
---|
| 43 | fi
|
---|
[5597318] | 44 | if [ ${?} -ne 0 ]; then
|
---|
[1c48007] | 45 | echo_failure
|
---|
| 46 | boot_mesg -n "FAILURE:\n\nCannot mount a tmpfs" ${FAILURE}
|
---|
| 47 | boot_mesg -n " onto /dev, this system will be halted."
|
---|
| 48 | boot_mesg -n "\n\nAfter you press Enter, this system"
|
---|
| 49 | boot_mesg -n " will be halted and powered off."
|
---|
| 50 | boot_mesg -n "\n\nPress Enter to continue..." ${INFO}
|
---|
| 51 | boot_mesg "" ${NORMAL}
|
---|
[bd1b5be] | 52 | $FAILURE_ACTION
|
---|
[1c48007] | 53 | /etc/rc.d/init.d/halt stop
|
---|
| 54 | fi
|
---|
| 55 |
|
---|
[84ce1e3] | 56 | # Create a symlink for POSIX shared memory
|
---|
| 57 | ln -s /run/shm /dev/shm
|
---|
| 58 |
|
---|
[1c48007] | 59 | # Udev handles uevents itself, so we don't need to have
|
---|
| 60 | # the kernel call out to any binary in response to them
|
---|
[dc55fb5e] | 61 | # This is a failsafe and should be done in kernel config
|
---|
[1c48007] | 62 | echo > /proc/sys/kernel/hotplug
|
---|
| 63 |
|
---|
[f2ca25f] | 64 | # Copy the only static device node that Udev >= 155 doesn't
|
---|
[dc55fb5e] | 65 | # handle to /dev (handled by default with DEVTMPFS)
|
---|
| 66 | if [ ! -f /dev/null ]; then
|
---|
| 67 | cp -a /lib/udev/devices/null /dev
|
---|
| 68 | fi
|
---|
[1c48007] | 69 |
|
---|
| 70 | # Start the udev daemon to continually watch for, and act on,
|
---|
| 71 | # uevents
|
---|
| 72 | /sbin/udevd --daemon
|
---|
| 73 |
|
---|
| 74 | # Now traverse /sys in order to "coldplug" devices that have
|
---|
| 75 | # already been discovered
|
---|
[d93bdd1e] | 76 | /sbin/udevadm trigger --action=add --type=subsystems
|
---|
| 77 | /sbin/udevadm trigger --action=add --type=devices
|
---|
[1c48007] | 78 |
|
---|
| 79 | # Now wait for udevd to process the uevents we triggered
|
---|
| 80 | /sbin/udevadm settle
|
---|
| 81 | evaluate_retval standard
|
---|
| 82 | ;;
|
---|
| 83 |
|
---|
| 84 | *)
|
---|
| 85 | echo "Usage ${0} {start}"
|
---|
| 86 | exit 1
|
---|
| 87 | ;;
|
---|
| 88 | esac
|
---|
| 89 |
|
---|
[f3f65e73] | 90 | # End $RC_BASE/init.d/udev
|
---|