bootscripts/contrib/new-boot-0.2/sbin/init.d/runlevel.1/setclock

   1 #!/bin/sh
   2 #
   3 # init system time from RTC value
   4 #
   5 # NOTES:
   6 # To adjust for the drift of the RTC, you have to issue the command
   7 #   hwclock --set --date=<exacttime>
   8 # manually 2 times with a considerable time (several days) in between.
   9 # The more drift you let accumulate the better hwclock can compute the
  10 # drift.
  11
  12 #locate and source functions script
  13 source `PATH=$INIT_D/:/sbin/init.d:/etc/init.d:/etc/rc.d type -p functions`
  14
  15 #in sysconfig, env. variable UTC is set to yes/true/1 if RTC set to GMT
  16 source $sysconfig_clock
  17
  18 case "$1" in
  19   start)
  20      #need to write /etc/adjtime
  21      #I guess setting clock will work even if /etc/adjtime can't be written,
  22      #so don't exit_if_any_error
  23      need $mounted_filesystems
  24
  25      echo 'Adjusting RTC and setting system time...'
  26      CLOCKPARAMS="--hctosys"
  27      case "$UTC" in
  28          yes|true|1)
  29              CLOCKPARAMS="$CLOCKPARAMS --utc"
  30              ;;
  31          *)
  32              CLOCKPARAMS="$CLOCKPARAMS --localtime"
  33              ;;
  34      esac
  35      hwclock --adjust && hwclock $CLOCKPARAMS
  36      up_evaluate_retval || exit_if_any_error
  37      ;;
  38   stop)
  39      ;;
  40   *)
  41      exit 1
  42      ;;
  43 esac
  44
  45 exit 0