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    revision 150 by niro, Sun Jul 3 21:34:35 2005 UTC revision 319 by niro, Tue Jan 3 18:07:43 2006 UTC
    # Line 1  Line 1 
    1  #!/bin/bash  #!/bin/bash
    2  # $Header: /home/cvsd/magellan-cvs/magellan-src/magellan-initscripts/etc/rc.d/init.d/rc,v 1.5 2005-07-03 21:34:35 niro Exp $  # $Header: /home/cvsd/magellan-cvs/magellan-src/magellan-initscripts/etc/rc.d/init.d/rc,v 1.7 2006-01-03 18:07:43 niro Exp $
    3    
    4  source /etc/sysconfig/rc  source /etc/sysconfig/rc
    5  source $rc_functions  source $rc_functions
    # Line 10  MAGEVER="$(< /etc/mageversion)" Line 10  MAGEVER="$(< /etc/mageversion)"
    10  # source kernel config if exists  # source kernel config if exists
    11  [ -f /etc/conf.d/kernel ] && source /etc/conf.d/kernel  [ -f /etc/conf.d/kernel ] && source /etc/conf.d/kernel
    12    
    13  # some needed functions functions  udev_version()
    14  populate_udev() {  {
    15     local version=0
    16    
    17     if [[ -x /sbin/udev ]]
    18     then
    19     version=$(/sbin/udev -V)
    20     # We need it without a leading '0', else bash do the wrong thing
    21     version=${version##0}
    22     # Older udev's will print nothing
    23     [[ -z ${version} ]] && version=0
    24     fi
    25    
    26     echo "${version}"
    27    }
    28    
    29    # this works only for 2.6.15 kernels and greater
    30    trigger_events()
    31    {
    32     local list=""
    33     local i
    34     local first
    35     local last
    36     local default
    37    
    38     # if you want real hotplug (with all modules being loaded for all
    39     # devices in the system), uncomment out the next line.
    40     #list="$list $(echo /sys/bus/*/devices/*/uevent)"
    41     list="${list} $(echo /sys/class/*/*/uevent)"
    42     list="${list} $(echo /sys/block/*/uevent /sys/block/*/*/uevent)"
    43     for i in ${list}
    44     do
    45     case "${i}" in
    46     */device/uevent)
    47     # skip followed device symlinks
    48     continue
    49     ;;
    50     */class/mem/*|*/class/tty/*)
    51     first="${first} ${i}"
    52     ;;
    53     */block/md*)
    54     last="${last} ${i}"
    55     ;;
    56     */*)
    57     default="${default} ${i}"
    58     ;;
    59     esac
    60     done
    61    
    62     # trigger the sorted events
    63     for i in ${first} ${default} ${last}
    64     do
    65     echo "add" > "${i}"
    66     done
    67    }
    68    
    69    populate_udev()
    70    {
    71     local loop
    72    
    73     # populate /dev with devices already found by the kernel
    74     if [ "$(kernel_version | sed 's:\.::g')" -gt "2614" ]
    75     then
    76     echo -e ${COLOREDSTAR}"  Populating /dev with existing devices through uevents ..."
    77     trigger_events
    78     evaluate_retval
    79     else
    80     echo -e ${COLOREDSTAR}"  Populating /dev with existing devices with udevstart ..."
    81   /sbin/udevstart   /sbin/udevstart
    82     evaluate_retval
    83     fi
    84    
    85     # loop until everything is finished
    86     # there's gotta be a better way...
    87     echo -e ${COLOREDSTAR}"  Letting udev process events ..."
    88     loop=0
    89     while test -d /dev/.udev/queue
    90     do
    91     sleep 0.1;
    92     test "${loop}" -gt 300 && break
    93     loop=$((${loop} + 1))
    94     done
    95     evaluate_retval
    96    
    97     return 0
    98    }
    99    
    100    seed_dev()
    101    {
    102     # seed /dev with some things that we know we need
    103     echo -e ${COLOREDSTAR}"  Seeding /dev with needed nodes ..."
    104     (
    105     # copy over any persistant things
    106     cp --preserve=all --recursive --update /lib/udev/devices/* /dev
    107    
    108   # not provided by sysfs but needed   # not provided by sysfs but needed
    109   ln -snf /proc/self/fd /dev/fd   ln -snf /proc/self/fd /dev/fd
    110   ln -snf fd/0 /dev/stdin   ln -snf fd/0 /dev/stdin
    111   ln -snf fd/1 /dev/stdout   ln -snf fd/1 /dev/stdout
    112   ln -snf fd/2 /dev/stderr   ln -snf fd/2 /dev/stderr
    113   ln -snf /proc/kcore /dev/core   [[ -e /proc/kcore ]] && ln -snf /proc/kcore /dev/core
    114   ln -snf /proc/asound/oss/sndstat /dev/sndstat  
       
    115   # create problematic directories   # create problematic directories
    116   mkdir -p /dev/{pts,shm}   mkdir -p /dev/{pts,shm}
    117     )
    118   # same as /dev/.devfsd   evaluate_retval
      touch /dev/.udev  
       
      return 0  
    119  }  }
    120    
    121    # # some needed functions functions
    122    # populate_udev() {
    123    # /sbin/udevstart
    124    #
    125    # # not provided by sysfs but needed
    126    # ln -snf /proc/self/fd /dev/fd
    127    # ln -snf fd/0 /dev/stdin
    128    # ln -snf fd/1 /dev/stdout
    129    # ln -snf fd/2 /dev/stderr
    130    # ln -snf /proc/kcore /dev/core
    131    # ln -snf /proc/asound/oss/sndstat /dev/sndstat
    132    #
    133    # # create problematic directories
    134    # mkdir -p /dev/{pts,shm}
    135    #
    136    # # same as /dev/.devfsd
    137    # touch /dev/.udev
    138    #
    139    # return 0
    140    # }
    141    
    142  trap "" INT QUIT TSTP  trap "" INT QUIT TSTP
    143    
    144  [ "$1" != "" ] && runlevel=$1  [ "$1" != "" ] && runlevel=$1
    # Line 118  then Line 226  then
    226   echo -e ${COLOREDSTAR}"Configurating system to use udev ..."   echo -e ${COLOREDSTAR}"Configurating system to use udev ..."
    227   if [[ ${RC_DEVICE_TARBALL} = yes ]]   if [[ ${RC_DEVICE_TARBALL} = yes ]]
    228   then   then
    229   echo -e ${COLOREDSTAR}"  Populating /dev with with device nodes ..."   echo -e ${COLOREDSTAR}"  Populating /dev with saved device nodes ..."
    230   tar -jxpf /lib/udev-state/devices.tar.bz2 -C /dev   tar -jxpf /lib/udev-state/devices.tar.bz2 -C /dev
    231   evaluate_retval   evaluate_retval
    232   fi   fi
    233    
    234   # now load udev   # other eeded device nodes with udev
    235   populate_udev   seed_dev
    236    
    237   # if hotplug support exists in the kernel use it to manage udev   if [ -e /proc/sys/kernel/hotplug ]
      if [ -e /proc/sys/kernel/hotplug -a -x /sbin/hotplug ]  
    238   then   then
    239   echo -e ${COLOREDSTAR}"  Using /sbin/hotplug for udev management ..."   if [ "$(kernel_version | sed 's:\.::g')" -gt "2614" ]
    240     then
    241   elif [ -e /proc/sys/kernel/hotplug ]   echo -e ${COLOREDSTAR}"  Using netlink for hotplug events ..."
    242   then   echo "" > /proc/sys/kernel/hotplug
    243   echo -e ${COLOREDSTAR}"  Setting /sbin/udev as hotplug agent ..."   evaluate_retval
    244   echo "/sbin/udev" > /proc/sys/kernel/hotplug   elif [[ $(udev_version) -ge "48" ]]
    245     then
    246     echo -e ${COLOREDSTAR}"  Setting /sbin/udevsend as hotplug agent ..."
    247     echo "/sbin/udevsend" > /proc/sys/kernel/hotplug
    248     evaluate_retval
    249     elif [[ -x /sbin/hotplug ]]
    250     then
    251     echo -e ${COLOREDSTAR}"  Using /sbin/hotplug as hotplug agent ..."
    252     print_status success
    253     else
    254     echo -e ${COLOREDSTAR}"  Setting /sbin/udev as hotplug agent ..."
    255     echo "/sbin/udev" > /proc/sys/kernel/hotplug
    256     evaluate_retval
    257     fi
    258   else   else
    259   echo -e ${COLOREDSTAR}${COLYELLOW}"  Kernel was not compiled with hotplug support !"   echo -e ${COLOREDSTAR}${COLYELLOW}"  Kernel was not compiled with hotplug support !"
    260     print_status failure
    261   fi   fi
    262    
    263     echo -e ${COLOREDSTAR}"  Starting udevd daemon ..."
    264     /sbin/udevd --daemon
    265   evaluate_retval   evaluate_retval
    266    
    267     populate_udev
    268    
    269     # create nodes that udev can't
    270     echo -e ${COLOREDSTAR}"  Finializing udev configuration ..."
    271     [[ -x /sbin/dmsetup ]] && /sbin/dmsetup mknodes &>/dev/null
    272     [[ -x /sbin/lvm ]] && /sbin/lvm vgscan -P --mknodes --ignorelockingfailure &>/dev/null
    273     [[ -x /sbin/evms_activate ]] && /sbin/evms_activate -q &>/dev/null
    274     print_status success
    275    
    276     # same thing as /dev/.devfsd
    277     touch /dev/.udev
    278   fi   fi
    279    
    280   ## load devpts ##   ## load devpts ##
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