bootscripts/lfs/init.d/rc

   1 #!/bin/sh
   2 # Begin $rc_base/init.d/rc - Main Run Level Control Script
   3
   4 # Based on rc script from LFS-3.1 and earlier.
   5 # Rewritten by Gerard Beekmans  - gerard@linuxfromscratch.org
   6
   7 . /etc/sysconfig/rc
   8 . $rc_functions
   9
  10 # This sets a few default terminal options.
  11 stty sane
  12
  13 # These 3 signals will not cause our script to exit
  14 trap "" INT QUIT TSTP
  15
  16 [ "$1" != "" ] && runlevel=$1
  17
  18 if [ "$runlevel" = "" ]
  19 then
  20         echo "Usage: $0 <runlevel>" >&2
  21         exit 1
  22 fi
  23
  24 previous=$PREVLEVEL
  25 [ "$previous" = "" ] && previous=N
  26
  27 if [ ! -d $rc_base/rc$runlevel.d ]
  28 then
  29         echo "$rc_base/rc$runlevel.d does not exist"
  30         exit 1
  31 fi
  32
  33 # Attempt to stop all service started by previous runlevel,
  34 # and killed in this runlevel
  35 if [ "$previous" != "N" ]
  36 then
  37         for i in $(ls -v $rc_base/rc$runlevel.d/K* 2> /dev/null)
  38         do
  39
  40                 check_script_status
  41
  42                 suffix=${i#$rc_base/rc$runlevel.d/K[0-9][0-9]}
  43                 prev_start=$rc_base/rc$previous.d/S[0-9][0-9]$suffix
  44                 sysinit_start=$rc_base/rcsysinit.d/S[0-9][0-9]$suffix
  45
  46                 if [ "$runlevel" != "0" ] && [ "$runlevel" != "6" ]
  47                 then
  48                         if [ ! -f $prev_start ] && [ ! -f $sysinit_start ]
  49                         then
  50                                 echo -n -e $WARNING
  51                                 echo "$i can't be executed because it was"
  52                                 echo "not started in the previous runlevel ($previous)"
  53                                 echo -n -e $NORMAL
  54                                 continue
  55                         fi
  56                 fi
  57                 $i stop
  58                 error_value=$?
  59
  60                 if [ "$error_value" != "0" ]
  61                 then
  62                         print_error_msg
  63                 fi
  64         done
  65 fi
  66
  67 #Start all functions in this runlevel
  68 for i in $( ls -v $rc_base/rc$runlevel.d/S* 2> /dev/null)
  69 do
  70         if [ "$previous" != "N" ]
  71         then
  72                 suffix=${i#$rc_base/rc$runlevel.d/S[0-9][0-9]}
  73                 stop=$rc_base/rc$runlevel.d/K[0-9][0-9]$suffix
  74                 prev_start=$rc_base/rc$previous.d/S[0-9][0-9]$suffix
  75
  76                 [ -f $prev_start ] && [ ! -f $stop ] && continue
  77         fi
  78
  79         check_script_status
  80
  81         $i start
  82         error_value=$?
  83
  84         if [ "$error_value" != "0" ]
  85         then
  86                 print_error_msg
  87         fi
  88 done
  89
  90 # End $rc_base/init.d/rc