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#!/bin/sh
#
# rc This file is responsible for starting/stopping
# services when the runlevel changes.
#
# Optimization feature:
# A startup script is _not_ run when the service was
# running in the previous runlevel and it wasn't stopped
# in the runlevel transition (most Debian services don't
# have K?? links in rc{1,2,3,4,5} )
#
# Author: Miquel van Smoorenburg <miquels@cistron.nl>
# Bruce Perens <Bruce@Pixar.com>
#
# Version: @(#)rc 2.78 07-Nov-1999 miquels@cistron.nl
#
. /etc/default/rcS
export VERBOSE
startup_progress() {
step=$(($step + $step_change))
if [ "$num_steps" != "0" ]; then
progress=$((($step * $progress_size / $num_steps) + $first_step))
else
progress=$progress_size
fi
#echo "PROGRESS is $progress $runlevel $first_step + ($step of $num_steps) $step_change $progress_size"
#if type psplash-write >/dev/null 2>&1; then
# TMPDIR=/mnt/.psplash psplash-write "PROGRESS $progress" || true
#fi
if [ -e /mnt/.psplash/psplash_fifo ]; then
echo "PROGRESS $progress" > /mnt/.psplash/psplash_fifo
fi
}
#
# Start script or program.
#
startup() {
# Handle verbosity
[ "$VERBOSE" = very ] && echo "INIT: Running $@..."
case "$1" in
*.sh)
# Source shell script for speed.
(
trap - INT QUIT TSTP
scriptname=$1
shift
. $scriptname
)
;;
*)
"$@"
;;
esac
startup_progress
}
# Ignore CTRL-C only in this shell, so we can interrupt subprocesses.
trap ":" INT QUIT TSTP
# Set onlcr to avoid staircase effect.
stty onlcr 0>&1
# Limit stack size for startup scripts
[ "$STACK_SIZE" == "" ] || ulimit -S -s $STACK_SIZE
# Now find out what the current and what the previous runlevel are.
runlevel=$RUNLEVEL
# Get first argument. Set new runlevel to this argument.
[ "$1" != "" ] && runlevel=$1
if [ "$runlevel" = "" ]
then
echo "Usage: $0 <runlevel>" >&2
exit 1
fi
previous=$PREVLEVEL
[ "$previous" = "" ] && previous=N
export runlevel previous
# Is there an rc directory for this new runlevel?
if [ -d /etc/rc$runlevel.d ]
then
# Find out where in the progress bar the initramfs got to.
PROGRESS_STATE=0
#if [ -f /dev/.initramfs/progress_state ]; then
# . /dev/.initramfs/progress_state
#fi
# Split the remaining portion of the progress bar into thirds
progress_size=$(((100 - $PROGRESS_STATE) / 3))
case "$runlevel" in
0|6)
# Count down from -100 to 0 and use the entire bar
first_step=-100
progress_size=100
step_change=1
;;
S)
# Begin where the initramfs left off and use 2/3
# of the remaining space
first_step=$PROGRESS_STATE
progress_size=$(($progress_size * 2))
step_change=1
;;
*)
# Begin where rcS left off and use the final 1/3 of
# the space (by leaving progress_size unchanged)
first_step=$(($progress_size * 2 + $PROGRESS_STATE))
step_change=1
;;
esac
num_steps=0
for s in /etc/rc$runlevel.d/[SK]*; do
case "${s##/etc/rc$runlevel.d/S??}" in
gdm|xdm|kdm|reboot|halt)
break
;;
esac
num_steps=$(($num_steps + 1))
done
step=0
# First, run the KILL scripts.
if [ $previous != N ]
then
for i in /etc/rc$runlevel.d/K[0-9][0-9]*
do
# Check if the script is there.
[ ! -f $i ] && continue
# Stop the service.
startup $i stop
done
fi
# Now run the START scripts for this runlevel.
case "$runlevel" in
0|6)
pararg="stop"
;;
*)
pararg="start"
;;
esac
for pri in $(seq -w 99)
do
prilist=""
for i in /etc/rc$runlevel.d/S$pri*
do
[ ! -f $i ] && continue
if [ $previous != N ] && [ $previous != S ]
then
#
# Find start script in previous runlevel and
# stop script in this runlevel.
#
suffix=${i#/etc/rc$runlevel.d/S[0-9][0-9]}
stop=/etc/rc$runlevel.d/K[0-9][0-9]$suffix
previous_start=/etc/rc$previous.d/S[0-9][0-9]$suffix
#
# If there is a start script in the previous level
# and _no_ stop script in this level, we don't
# have to re-start the service.
#
[ -f $previous_start ] && [ ! -f $stop ] && continue
fi
file=$(readlink -f -n $i)
[ -f "$file" ] && prilist+="$file "
done
if [ -n "$prilist" ]; then
startpar -a $pararg ${prilist[@]}
fi
done
fi
#Uncomment to cause psplash to exit manually, otherwise it exits when it sees a VC switch
if [ "x$runlevel" != "xS" ] && [ ! -x /etc/rc${runlevel}.d/S??xserver-nodm ]; then
if type psplash-write >/dev/null 2>&1; then
TMPDIR=/mnt/.psplash psplash-write "QUIT" || true
umount -l /mnt/.psplash
fi
fi
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