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    Contents of /trunk/busybox/splash-functions.rc

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    Revision 1398 - (show annotations) (download)
    Fri Jul 1 14:17:30 2011 UTC (13 years, 4 months ago) by niro
    File size: 3039 byte(s) 
    -create fifo at runtime
    1 # /etc/rc.d/init.d/splash-functions - splashfunctions for busybox' fbsplash with tykef patch
    2 # $Id$
    3
    4 [[ -f /etc/splash/splash.conf ]] && . /etc/splash/splash.conf
    5
    6 splash()
    7 {
    8 local cmd
    9 local args
    10
    11 # check for a framebuffer console first!
    12 [[ ! -e /dev/fb0 ]] && return 0
    13 # proc must be mounted too
    14 [[ ! -e /proc/cmdline ]] && return 0
    15 # only run fbsplash if theme was found
    16 [[ ! -e ${SPLASH_THEMES}/${SPLASH_THEME} ]] && return
    17 # and run only if a config for the current resolution exist
    18 [[ ! -e ${SPLASH_THEMES}/${SPLASH_THEME}/$(splash_resolution).conf ]] && return
    19
    20 # create fifo if not exist
    21 if [[ ! -w ${SPLASH_FIFO} ]]
    22 then
    23 mkfifo ${SPLASH_FIFO}
    24 fi
    25
    26 # check cmdline for config_opts
    27 # splash=silent,theme:mcore
    28 for cmd in $(< /proc/cmdline)
    29 do
    30 case "${cmd}" in
    31 splash=*)
    32 # split the cmd and put everything into an array
    33 args=( $(echo "${cmd}" | sed 's:[,\:=]:\ :g') )
    34 # mode is always args[1]
    35 SPLASH_MODE="${args[1]}"
    36 # theme is always args[3]
    37 SPLASH_THEME="${args[3]}"
    38 ;;
    39 esac
    40 done
    41
    42 case $1 in
    43 rc_init) rc_init ;;
    44 rc_verbose|rc_exit) rc_exit ;;
    45 esac
    46 }
    47
    48 rc_init()
    49 {
    50 if [[ ${SPLASH_MODE} = silent ]]
    51 then
    52 local resolution="$(splash_resolution)"
    53
    54 splash_cursor disable
    55 chvt ${SPLASH_TTY}
    56 sleep 0.5
    57
    58 if [[ $runlevel = boot ]] || [[ ${runlevel} = sysinit ]]
    59 then
    60 fbsplash -i ${SPLASH_THEMES}/${SPLASH_THEME}/${resolution}.conf \
    61 -s ${SPLASH_THEMES}/${SPLASH_THEME}/startup-${resolution}.ppm.gz \
    62 -m ${SPLASH_THEMES}/${SPLASH_THEME}/splash-font.gz \
    63 -f ${SPLASH_FIFO} \
    64 ${SPLASH_OPTS} &
    65
    66 wait_for_fbsplash
    67 splash_control "write:${SPLASH_BOOT_MESSAGE}"
    68 fi
    69
    70 if [[ ${runlevel} = shutdown ]]
    71 then
    72 fbsplash -i ${SPLASH_THEMES}/${SPLASH_THEME}/${resolution}.conf \
    73 -s ${SPLASH_THEMES}/${SPLASH_THEME}/shutdown-${resolution}.ppm.gz \
    74 -m ${SPLASH_THEMES}/${SPLASH_THEME}/splash-font.gz \
    75 -f ${SPLASH_FIFO} \
    76 ${SPLASH_OPTS} &
    77
    78 wait_for_fbsplash
    79 splash_control "write:${SPLASH_SHUTDOWN_MESSAGE}"
    80 fi
    81
    82 if [[ $runlevel = reboot ]]
    83 then
    84 fbsplash -i ${SPLASH_THEMES}/${SPLASH_THEME}/${resolution}.conf \
    85 -s ${SPLASH_THEMES}/${SPLASH_THEME}/reboot-${resolution}.ppm.gz \
    86 -m ${SPLASH_THEMES}/${SPLASH_THEME}/splash-font.gz \
    87 -f ${SPLASH_FIFO} \
    88 ${SPLASH_OPTS} &
    89
    90 wait_for_fbsplash
    91 splash_control "write:${SPLASH_REBOOT_MESSAGE}"
    92 fi
    93 fi
    94 }
    95
    96 rc_exit()
    97 {
    98 if [[ ${SPLASH_MODE} = silent ]]
    99 then
    100 splash_control "exit"
    101 splash_cursor enable
    102 if [[ -n ${SPLASH_X11_TTY} ]]
    103 then
    104 chvt ${SPLASH_X11_TTY}
    105 else
    106 chvt 1
    107 fi
    108 fi
    109 }
    110
    111 splash_resolution()
    112 {
    113 fbres
    114 }
    115
    116 wait_for_fbsplash()
    117 {
    118 while [[ -z $(pidof fbsplash) ]]
    119 do
    120 sleep 0.1
    121 done
    122 }
    123
    124 splash_control()
    125 {
    126 # only write to fifo if the fbsplash process is runnning
    127 # or the console will hang
    128 if [[ -n $(pidof fbsplash) ]]
    129 then
    130 echo "$@" > ${SPLASH_FIFO}
    131 else
    132 # exit here
    133 splash_cursor enable
    134 chvt 1
    135 fi
    136 }
    137
    138 # disable|enable
    139 splash_cursor()
    140 {
    141 case $1 in
    142 enable) echo -e "\e[?0c";;
    143 disable) echo -e "\e[?1c" ;;
    144 esac
    145 }