diff options
Diffstat (limited to 'sysvinit/sysvinit/rc')
| -rw-r--r-- | sysvinit/sysvinit/rc | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/sysvinit/sysvinit/rc b/sysvinit/sysvinit/rc index e69de29bb2..fdb0fce887 100644 --- a/sysvinit/sysvinit/rc +++ b/sysvinit/sysvinit/rc @@ -0,0 +1,102 @@ +#!/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 + +# +# Start script or program. +# +startup() { + case "$1" in + *.sh) + sh "$@" + ;; + *) + "$@" + ;; + esac +} + + # Ignore CTRL-C only in this shell, so we can interrupt subprocesses. + trap ":" INT QUIT TSTP + + # Set onlcr to avoid staircase effect. + stty onlcr 0>&1 + + # Now find out what the current and what the previous runlevel are. + + runlevel=$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 + # 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 $i stop + done + fi + # Now run the START scripts for this runlevel. + for i in /etc/rc$runlevel.d/S* + 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 $stop ] && continue + fi + case "$runlevel" in + 0|6) + startup $i stop + ;; + *) + startup $i start + ;; + esac + done + fi +# eof /etc/init.d/rc |