docs/LFS-BOOK/scripts/apds12.html

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   7       D.12. /etc/rc.d/init.d/cleanfs
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  17         Linux From Scratch - Version 7.2
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  19       <h3>
  20         付録 D. ブートスクリプトと sysconfig スクリプト version-20120901
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  48       <h1 class="sect1">
  49         <a id="cleanfs" name="cleanfs"></a>D.12. /etc/rc.d/init.d/cleanfs
  50       </h1>
  51       <pre class="screen">
  52 #!/bin/sh
  53 ########################################################################
  54 # Begin cleanfs
  55 #
  56 # Description : Clean file system
  57 #
  58 # Authors     : Gerard Beekmans - gerard@linuxfromscratch.org
  59 #               DJ Lucas - dj@linuxfromscratch.org
  60 # Update      : Bruce Dubbs - bdubbs@linuxfromscratch.org
  61 #
  62 # Version     : LFS 7.0
  63 #
  64 ########################################################################
  65
  66 ### BEGIN INIT INFO
  67 # Provides:            cleanfs
  68 # Required-Start:      $local_fs
  69 # Should-Start:
  70 # Required-Stop:
  71 # Should-Stop:
  72 # Default-Start:       S
  73 # Default-Stop:
  74 # Short-Description:   Cleans temporary directories early in the boot process.
  75 # Description:         Cleans temporary directories /var/run, /var/lock, and
  76 #                      optionally, /tmp.  cleanfs also creates /var/run/utmp
  77 #                      and any files defined in /etc/sysconfig/createfiles.
  78 # X-LFS-Provided-By:   LFS
  79 ### END INIT INFO
  80
  81 . /lib/lsb/init-functions
  82
  83 # Function to create files/directory on boot.
  84 create_files()
  85 {
  86    # Input to file descriptor 9 and output to stdin (redirection)
  87    exec 9&gt;&amp;0 &lt; /etc/sysconfig/createfiles
  88
  89    while read name type perm usr grp dtype maj min junk
  90    do
  91       # Ignore comments and blank lines.
  92       case "${name}" in
  93          ""|\#*) continue ;;
  94       esac
  95
  96       # Ignore existing files.
  97       if [ ! -e "${name}" ]; then
  98          # Create stuff based on its type.
  99          case "${type}" in
 100             dir)
 101                mkdir "${name}"
 102                ;;
 103             file)
 104                :&gt; "${name}"
 105                ;;
 106             dev)
 107                case "${dtype}" in
 108                   char)
 109                      mknod "${name}" c ${maj} ${min}
 110                      ;;
 111                   block)
 112                      mknod "${name}" b ${maj} ${min}
 113                      ;;
 114                   pipe)
 115                      mknod "${name}" p
 116                      ;;
 117                   *)
 118                      log_warning_msg "\nUnknown device type: ${dtype}"
 119                      ;;
 120                esac
 121                ;;
 122             *)
 123                log_warning_msg "\nUnknown type: ${type}"
 124                continue
 125                ;;
 126          esac
 127
 128          # Set up the permissions, too.
 129          chown ${usr}:${grp} "${name}"
 130          chmod ${perm} "${name}"
 131       fi
 132    done
 133
 134    # Close file descriptor 9 (end redirection)
 135    exec 0&gt;&amp;9 9&gt;&amp;-
 136    return 0
 137 }
 138
 139 case "${1}" in
 140    start)
 141       log_info_msg "Cleaning file systems:"
 142
 143       if [ "${SKIPTMPCLEAN}" = "" ]; then
 144          log_info_msg2 " /tmp"
 145          cd /tmp &amp;&amp;
 146          find . -xdev -mindepth 1 ! -name lost+found -delete || failed=1
 147       fi
 148
 149       &gt; /var/run/utmp
 150
 151       if grep -q '^utmp:' /etc/group ; then
 152          chmod 664 /var/run/utmp
 153          chgrp utmp /var/run/utmp
 154       fi
 155
 156       (exit ${failed})
 157       evaluate_retval
 158
 159       if egrep -qv '^(#|$)' /etc/sysconfig/createfiles 2&gt;/dev/null; then
 160          log_info_msg "Creating files and directories... "
 161          create_files      # Always returns 0
 162          evaluate_retval
 163       fi
 164
 165       exit $failed
 166       ;;
 167    *)
 168       echo "Usage: ${0} {start}"
 169       exit 1
 170       ;;
 171 esac
 172
 173 # End cleanfs
 174 </pre>
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