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265
etc_org/init.d/rc
Executable file
265
etc_org/init.d/rc
Executable file
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#! /bin/sh
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#
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# rc
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#
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# Starts/stops services on runlevel changes.
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#
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# Optimization: A start script is not run when the service was already
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# configured to run in the previous runlevel. A stop script is not run
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# when the the service was already configured not to run in the previous
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# runlevel.
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#
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# Authors:
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# Miquel van Smoorenburg <miquels@cistron.nl>
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# Bruce Perens <Bruce@Pixar.com>
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PATH=/sbin:/usr/sbin:/bin:/usr/bin
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export PATH
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# Un-comment the following for interactive debugging. Do not un-comment
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# this for debugging a real boot process as no scripts will be executed.
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# debug=echo
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# Make sure the name survive changing the argument list
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scriptname="$0"
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umask 022
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on_exit() {
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echo "error: '$scriptname' exited outside the expected code flow."
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}
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trap on_exit EXIT # Enable emergency handler
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# Ignore CTRL-C only in this shell, so we can interrupt subprocesses.
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trap ":" INT QUIT TSTP
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# Set onlcr to avoid staircase effect.
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stty onlcr 0>&1
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# Now find out what the current and what the previous runlevel are.
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runlevel=$RUNLEVEL
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# Get first argument. Set new runlevel to this argument.
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[ "$1" != "" ] && runlevel=$1
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if [ "$runlevel" = "" ]
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then
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echo "Usage: $scriptname <runlevel>" >&2
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exit 1
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fi
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previous=$PREVLEVEL
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[ "$previous" = "" ] && previous=N
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export runlevel previous
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if [ -f /etc/default/rcS ] ; then
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. /etc/default/rcS
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fi
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export VERBOSE
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if [ -f /lib/lsb/init-functions ] ; then
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. /lib/lsb/init-functions
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else
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log_action_msg() { echo $@; }
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log_failure_msg() { echo $@; }
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log_warning_msg() { echo $@; }
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fi
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#
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# Check if we are able to use make like booting. It require the
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# insserv package to be enabled. Boot concurrency also requires
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# startpar to be installed.
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#
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#CONCURRENCY=makefile
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# disable startpar, incompatible with "task" upstart jobs
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CONCURRENCY=none
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test -s /etc/init.d/.depend.boot || CONCURRENCY="none"
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test -s /etc/init.d/.depend.start || CONCURRENCY="none"
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test -s /etc/init.d/.depend.stop || CONCURRENCY="none"
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if test -e /etc/init.d/.legacy-bootordering ; then
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CONCURRENCY="none"
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fi
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if ! test -e /proc/stat; then
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# startpar requires /proc/stat
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if [ "$(uname)" = "GNU/kFreeBSD" ] ; then
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mount -t linprocfs linprocfs /proc
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elif [ "$(uname)" = "GNU" ] ; then
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mount -t proc none /proc
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fi
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fi
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if [ -x /lib/startpar/startpar ] ; then
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STARTPAR=/lib/startpar/startpar
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else
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STARTPAR=startpar
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fi
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$STARTPAR -v > /dev/null 2>&1 || CONCURRENCY="none"
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#
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# Start script or program.
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#
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case "$CONCURRENCY" in
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makefile|startpar|shell) # startpar and shell are obsolete
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CONCURRENCY=makefile
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log_action_msg "Using makefile-style concurrent boot in runlevel $runlevel"
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startup() {
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eval "$($STARTPAR -p 4 -t 20 -T 3 -M $1 -P $previous -R $runlevel)"
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if [ -n "$failed_service" ]
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then
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log_failure_msg "startpar: service(s) returned failure: $failed_service"
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fi
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if [ -n "$skipped_service_not_installed" ]
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then
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log_warning_msg "startpar: service(s) skipped, program is not installed: $skipped_service_not_installed"
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fi
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if [ -n "$skipped_service_not_configured" ]
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then
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log_warning_msg "startpar: service(s) skipped, program is not configured: $skipped_service_not_configured"
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fi
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unset failed_service skipped_service_not_installed skipped_service_not_configured
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}
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;;
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none|*)
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startup() {
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action=$1
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shift
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scripts="$@"
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for script in $scripts ; do
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$debug "$script" $action
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done
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}
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;;
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esac
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# Is there an rc directory for this new runlevel?
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if [ -d /etc/rc$runlevel.d ]
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then
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case "$runlevel" in
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0|6)
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ACTION=stop
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;;
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S)
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ACTION=start
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;;
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*)
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ACTION=start
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;;
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esac
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# First, run the KILL scripts.
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if [ makefile = "$CONCURRENCY" ]
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then
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if [ "$ACTION" = "start" ] && [ "$previous" != N ]
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then
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startup stop
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fi
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elif [ "$previous" != N ]
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then
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# Run all scripts with the same level in parallel
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CURLEVEL=""
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for s in /etc/rc$runlevel.d/K*
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do
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# Extract order value from symlink
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level=${s#/etc/rc$runlevel.d/K}
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level=${level%%[a-zA-Z]*}
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if [ "$level" = "$CURLEVEL" ]
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then
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continue
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fi
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CURLEVEL=$level
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SCRIPTS=""
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for i in /etc/rc$runlevel.d/K$level*
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do
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# Check if the script is there.
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[ ! -f $i ] && continue
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#
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# Find stop script in previous runlevel but
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# no start script there.
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#
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suffix=${i#/etc/rc$runlevel.d/K[0-9][0-9]}
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previous_stop=/etc/rc$previous.d/K[0-9][0-9]$suffix
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previous_start=/etc/rc$previous.d/S[0-9][0-9]$suffix
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#
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# If there is a stop script in the previous level
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# and _no_ start script there, we don't
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# have to re-stop the service.
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#
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[ -f $previous_stop ] && [ ! -f $previous_start ] && continue
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# Stop the service.
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SCRIPTS="$SCRIPTS $i"
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done
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startup stop $SCRIPTS
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done
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fi
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if [ makefile = "$CONCURRENCY" ]
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then
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if [ S = "$runlevel" ]
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then
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startup boot
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else
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startup $ACTION
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fi
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else
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# Now run the START scripts for this runlevel.
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# Run all scripts with the same level in parallel
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CURLEVEL=""
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for s in /etc/rc$runlevel.d/S*
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do
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# Extract order value from symlink
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level=${s#/etc/rc$runlevel.d/S}
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level=${level%%[a-zA-Z]*}
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if [ "$level" = "$CURLEVEL" ]
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then
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continue
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fi
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CURLEVEL=$level
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SCRIPTS=""
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for i in /etc/rc$runlevel.d/S$level*
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do
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[ ! -f $i ] && continue
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suffix=${i#/etc/rc$runlevel.d/S[0-9][0-9]}
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if [ "$previous" != N ]
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then
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#
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# Find start script in previous runlevel and
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# stop script in this runlevel.
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#
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stop=/etc/rc$runlevel.d/K[0-9][0-9]$suffix
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previous_start=/etc/rc$previous.d/S[0-9][0-9]$suffix
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#
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# If there is a start script in the previous level
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# and _no_ stop script in this level, we don't
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# have to re-start the service.
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#
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if [ start = "$ACTION" ] ; then
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[ -f $previous_start ] && [ ! -f $stop ] && continue
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else
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# Workaround for the special
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# handling of runlevels 0 and 6.
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previous_stop=/etc/rc$previous.d/K[0-9][0-9]$suffix
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#
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# If there is a stop script in the previous level
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# and _no_ start script there, we don't
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# have to re-stop the service.
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#
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[ -f $previous_stop ] && [ ! -f $previous_start ] && continue
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fi
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fi
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SCRIPTS="$SCRIPTS $i"
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done
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startup $ACTION $SCRIPTS
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done
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fi
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fi
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trap - EXIT # Disable emergency handler
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exit 0
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