diff options
Diffstat (limited to 'base/splashy/splashy')
| -rwxr-xr-x | base/splashy/splashy | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/base/splashy/splashy b/base/splashy/splashy new file mode 100755 index 000000000..ef3b986c5 --- /dev/null +++ b/base/splashy/splashy @@ -0,0 +1,157 @@ +#!/bin/sh +### BEGIN INIT INFO +# Provides: splashy +# Required-Start: mountkernfs +# Required-Stop: $all +# Default-Start: S +# Default-Stop: 0 6 +# Short-Description: A script to calculate the progress percentage for init scripts +# Description: This calculates the progress percentage +# for the scripts in /etc/rcS.d and +# /etc/rc$CURRENT_RUNLEVEL.d. +### END INIT INFO + +# Author: Tim Dijkstra <newsuser@famdijkstra.org>, +# Luis Mondesi <lemsx1@gmail.com> +# Luca Capello <luca@pca.it> +# +# If called in the rc[06].d runlevels with the stop target it will start +# splashy in 'shutdown' mode. In the rcS.d runlevel it will try +# to start splashy if it didn't start yet from initramfs. +# +# When it decides to start splashy it will first calculate the +# progress percentage which will be used by the calls to splashy_update +# in the log_end_msg functions. +# This is really simple. We just count them and put them +# in alpha-numeric order. Their percentage is then just +# int( their number on the list * ( 100 / total number on list) ) +# +# Of course not all packages use log_end_msg yet, but that +# doesn't matter. The packages that do, will trigger the update +# anyway. This may result in big jumps in the percentage. +# The more scripts start using it, the more granular it will become. +# +# +# This script also needs to detect if Splashy is running and if not +# start it. It's assumed that this will only be run while halt/reboot +# and at RUNLEVEL S. +# + +PATH="/sbin:/bin:/usr/sbin:/usr/bin" +NAME="splashy" +DESC="Boot splash manager" +STEPS_DIR="/lib/init/rw/$NAME" +DEBUG=0 + +[ -r "/etc/default/$NAME" ] && . "/etc/default/$NAME" + +# Define LSB log_* functions. +# Depend on lsb-base (>= 3.0-6) to ensure that this file is present. +# if [ -r "/lib/lsb/init-functions" ]; then +# . "/lib/lsb/init-functions" +# else +# echo "Could not read file /lib/lsb/init-functions. Please install lsb-base" +# exit 1 +# fi +. /etc/sysconfig/rc +. ${rc_functions} + +set -e + + +[ "$ENABLE" = "1" ] && log_warning_msg "To enable $NAME add 'splash' to the kernel command line. Use of ENABLE in /etc/default/$NAME is deprecated."; + +check_to_enable () { + ENABLE=0 + SINGLE=false + SPLASH=false + FBMODESET=false + + for x in $(cat /proc/cmdline); do + case $x in + single) + SINGLE="true" + ;; + splash) + SPLASH="true" + ;; + nosplash) + SPLASH="false" + ;; + vga=*|video=*) + FBMODESET="true" + ;; + esac + done + [ "$SPLASH" = "true" -a "$FBMODESET" = "true" ] && ENABLE=1 + [ "$SINGLE" = "true" ] && ENABLE=0 + + if [ "$ENABLE" = "0" ]; then + log_warning_msg "To enable $NAME on multiuser runlevel add 'splash' and a valid framebuffer videomode to the kernel command line" + exit 0 + fi +} + +calculate_steps () { + boot_mesg "(Re)generating splash steps" + echo_ok + [ -f /etc/inittab ] && RLVL=`sed -n 's/id:\([2345]\):initdefault:/\1/ p' /etc/inittab` + + [ ! -d $STEPS_DIR ] && mkdir -p $STEPS_DIR + # + # Mount a tmpfs on $STEPS_DIR + # + # on Ubuntu our Steps dir gets umounted if using /dev/shm/splashy + # we will always use /lib/init/rw/splashy and mount a tmpfs there + SHM_OPT= + [ "${SHM_SIZE:=$TMPFS_SIZE}" ] && SHM_OPT="-osize=$SHM_SIZE" + mount -n -t tmpfs shmfs $STEPS_DIR + + TMP=`mktemp -p $STEPS_DIR` + + # While booting rcS will also be executed + # we only care about the scripts that actually call log_end_msg + # if not we could end up never completing our progressbar! + grep -l "Usage" ${rc_base}/rcsysinit.d/S* > $TMP 2> /dev/null || true + + for ILVL in ${RLVL:=2} 0 3 4 5 6; do + # in debian rc.local runs log_end_msg conditionally. we simply skip that + grep -l "Usage" ${rc_base}/rc$ILVL.d/[KS]* 2> /dev/null | grep -v rc.local >> $TMP || true + + NR=`sed -n -e '$=' $TMP` + I=1 + for SCR in `cat $TMP`; do + echo "$SCR $(($I*100/$NR))" + I=$(($I+1)) + done > "$STEPS_DIR/$ILVL-progress" + + # Truncate $TMP file + echo -n > $TMP + done + + # In the first stage of booting RUNLEVEL will be S + ln -sf "$STEPS_DIR/${RLVL:=2}-progress" "$STEPS_DIR/sysinit-progress" + rm -f $TMP + +} + +# Bug #400598,#401999 +if [ -z "${RUNLEVEL:-}" ]; then + # we need only the current level + RUNLEVEL=`runlevel | sed 's/^. //'` +fi + +case "$1" in + start) + calculate_steps $RUNLEVEL + ;; + + *) + N=/etc/init.d/$NAME + echo "Usage: $N {restart}" >&2 + exit 1 + ;; +esac + +exit 0 + |