src/initscripts/system/setclock

   1 #!/bin/sh
   2 ########################################################################
   3 # Begin $rc_base/init.d/setclock
   4 #
   5 # Description : Setting Linux Clock
   6 #
   7 # Authors     : Gerard Beekmans - gerard@linuxfromscratch.org
   8 #
   9 # Version     : 00.00
  10 #
  11 # Notes       :
  12 #
  13 ########################################################################
  14
  15 . /etc/sysconfig/rc
  16 . ${rc_functions}
  17
  18 CLOCKPARAMS=
  19
  20 case ${1} in
  21         start)
  22
  23                 boot_mesg "Setting system clock..."
  24
  25                 # udev not create the rtc symlink if rtc is in the kernel
  26                 if [ ! -e /dev/rtc ]; then
  27                         if [ -e /dev/rtc0 ]; then
  28                                 ln -s rtc0 /dev/rtc
  29                         fi
  30                 fi
  31
  32                 hwclock --hctosys ${CLOCKPARAMS} &>/dev/null
  33                 date
  34
  35                 if [ -e /var/log/messages ]; then
  36                         LOGTIMESTAMP=`stat --format "%y" /var/log/messages`
  37                         LOGTIME=`date +%s -d "$LOGTIMESTAMP"`
  38                         SYSTIME=`date +%s`
  39                         if [ $SYSTIME -lt $LOGTIME ]; then
  40                                 boot_mesg "Warning! clock runs later than last log access. Check battery/rtc!"
  41                                 date -s "$LOGTIMESTAMP"
  42                                 echo_warning;
  43                         else
  44                                 echo_ok;
  45                         fi
  46                 fi
  47                 ;;
  48
  49         stop)
  50                 boot_mesg "Setting hardware clock..."
  51                 hwclock --systohc ${CLOCKPARAMS} &>/dev/null
  52                 evaluate_retval
  53                 ;;
  54
  55         *)
  56                 echo "Usage: ${0} {start} {stop}"
  57                 ;;
  58
  59 esac