diff options
Diffstat (limited to 'recipes-core/sysvinit/files/rc')
| -rwxr-xr-x | recipes-core/sysvinit/files/rc | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/recipes-core/sysvinit/files/rc b/recipes-core/sysvinit/files/rc new file mode 100755 index 0000000..16f1c9c --- /dev/null +++ b/recipes-core/sysvinit/files/rc @@ -0,0 +1,193 @@ +#!/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 |