1 | #!/bin/sh
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2 | ########################################################################
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3 | # Begin udev_retry
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4 | #
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5 | # Description : Udev cold-plugging script (retry)
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6 | #
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7 | # Authors : 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 | # Bryan Kadzban -
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11 | #
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12 | # Version : LFS 7.0
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13 | #
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14 | ########################################################################
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15 |
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16 | ### BEGIN INIT INFO
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17 | # Provides: udev_retry
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18 | # Required-Start: udev
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19 | # Should-Start: $local_fs cleanfs
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20 | # Required-Stop:
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21 | # Should-Stop:
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22 | # Default-Start: S
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23 | # Default-Stop:
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24 | # Short-Description: Replays failed uevents and creates additional devices.
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25 | # Description: Replays any failed uevents that were skipped due to
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26 | # slow hardware initialization, and creates those needed
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27 | # device nodes
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28 | # X-LFS-Provided-By: LFS
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29 | ### END INIT INFO
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30 |
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31 | . /lib/lsb/init-functions
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32 |
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33 | case "${1}" in
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34 | start)
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35 | log_info_msg "Retrying failed uevents, if any..."
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36 |
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37 | # As of udev-186, the --run option is no longer valid
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38 | #rundir=$(/sbin/udevadm info --run)
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39 | rundir=/run/udev
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40 | # From Debian: "copy the rules generated before / was mounted
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41 | # read-write":
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42 |
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43 | for file in ${rundir}/tmp-rules--*; do
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44 | dest=${file##*tmp-rules--}
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45 | [ "$dest" = '*' ] && break
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46 | cat $file >> /etc/udev/rules.d/$dest
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47 | rm -f $file
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48 | done
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49 |
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50 | # Re-trigger the uevents that may have failed,
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51 | # in hope they will succeed now
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52 | /bin/sed -e 's/#.*$//' /etc/sysconfig/udev_retry | /bin/grep -v '^$' | \
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53 | while read line ; do
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54 | for subsystem in $line ; do
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55 | /sbin/udevadm trigger --subsystem-match=$subsystem --action=add
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56 | done
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57 | done
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58 |
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59 | # Now wait for udevd to process the uevents we triggered
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60 | if ! is_true "$OMIT_UDEV_RETRY_SETTLE"; then
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61 | /sbin/udevadm settle
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62 | fi
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63 |
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64 | evaluate_retval
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65 | ;;
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66 |
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67 | *)
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68 | echo "Usage ${0} {start}"
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69 | exit 1
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70 | ;;
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71 | esac
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72 |
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73 | exit 0
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74 |
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75 | # End udev_retry
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