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#!/bin/bash |
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# Copyright 1999-2002 Gentoo Technologies, Inc. |
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# Distributed under the terms of the GNU General Public License, v2 or later |
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# $Header$ |
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|
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#trap ":" INT QUIT TSTP |
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source /etc/init.d/functions.sh |
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umask 022 |
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|
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try() { |
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eval $* |
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if [ $? -ne 0 ] |
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then |
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echo -e "$ENDCOL$NORMAL[$BAD oops $NORMAL]" |
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echo |
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echo '!!! '"ERROR: the $1 command did not complete successfully." |
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echo '!!! '"(\" ${*} \")" |
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echo '!!! '"Since this is a critical task, startup cannot continue." |
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echo |
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/sbin/sulogin $CONSOLE |
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reboot -f |
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fi |
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} |
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|
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#save $1 |
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argv1=$1 |
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|
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#first time boot stuff goes here |
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if [ "$RUNLEVEL" = "S" ] && [ "$argv1" = "boot" ] |
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then |
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echo |
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echo -e "${GOOD}Gentoo Linux${GENTOO_VERS}; \e[34;01mhttp://www.gentoo.org${NORMAL}" |
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echo -e " Copyright 2001 Gentoo Technologies, Inc.; Distributed under the GPL" |
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echo |
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|
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ebegin "Mounting /proc" |
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try mount -n /proc |
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eend $? |
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|
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devfs="yes" |
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for copt in `cat /proc/cmdline` |
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do |
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if [ "${copt%=*}" = "gentoo" ] |
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then |
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parms=${copt##*=} |
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#parse gentoo option |
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if [ "${parms/nodevfs//}" != "${parms}" ] |
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then |
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devfs="no" |
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fi |
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fi |
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done |
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|
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#with the new way, /dev can be mounted by the kernel ... |
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|
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if [ "$devfs" = "yes" ] && [ ! -e /dev/.devfsd ] |
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then |
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mymounts="`cat /proc/filesystems`" |
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#is devfs support compiled in? |
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if [ "${mymounts/devfs//}" != "${mymounts}" ] |
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then |
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ebegin "Mounting devfs at /dev"; try mount -n -t devfs none /dev; eend |
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else |
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clear |
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echo |
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einfo "The Gentoo Linux system initialization scripts have detected that your" |
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einfo "kernel has been compiled without DEVFS support. Because Gentoo Linux" |
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einfo "has been designed to work with DEVFS, it is required that you compile" |
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einfo "support for it into your kernel. Please read the 'Gentoo Linux from" |
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einfo "source (build) CD Installation Guide' at:" |
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echo |
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einfo " http://www.gentoo.org/doc/build.html" |
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echo |
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einfo "for more information on how to do this." |
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echo |
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read -t 15 -p "(hit Enter to continue or wait 15 seconds...)" |
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fi |
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fi |
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|
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#mount shm and do dep scan |
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|
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ebegin "Mounting tmpfs at /dev/shm" |
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try mount -n -t tmpfs tmpfs /dev/shm -o rw,mode=0644,size=4m |
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eend |
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|
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/etc/init.d/depscan.sh |
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|
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if [ "$devfs" = "yes" ] && [ -e /dev/.devfsd ] |
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then |
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ebegin "Starting devfsd"; /sbin/devfsd /dev >/dev/null 2>&1; eend $? |
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fi |
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|
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#swap needs to be activated *after* devfs has been mounted and *after* |
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#devfsd has been started, so that the fstab can be properly parsed |
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|
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ebegin "Activating swap" |
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swapon -a |
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eend |
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|
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#set the console loglevel to 1 for a cleaner boot |
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#the logger should anyhow dump the ring-0 buffer at start to the |
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#logs, and that with dmesg can be used to check for problems |
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|
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/bin/dmesg -n 1 |
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|
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#$BOOT can be used by rc-scripts to test if it is the first time |
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#the 'boot' runlevel is executed |
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|
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export BOOT="yes" |
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|
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fi #boot ends here |
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|
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if [ -z "$argv1" ] |
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then |
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export SOFTLEVEL="`cat /dev/shm/.init.d/softlevel`" |
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else |
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export SOFTLEVEL=$argv1 |
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fi |
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svcdir=/dev/shm/.init.d |
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|
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if [ "$SOFTLEVEL" = "reboot" ] || [ "$SOFTLEVEL" = "shutdown" ] |
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then |
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myscripts="" |
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elif [ ! -d /etc/runlevels/${SOFTLEVEL} ] |
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then |
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echo "runlevel ${SOFTLEVEL} does not exist; exiting." |
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exit 1 |
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else |
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myscripts="" |
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if [ "$SOFTLEVEL" != "boot" ] |
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then |
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#normal runlevels *include* boot scripts |
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mylevels="/etc/runlevels/${SOFTLEVEL}/* /etc/runlevels/boot/*" |
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else |
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#non-normal runlevels don't include boot scripts as default |
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mylevels="/etc/runlevels/${SOFTLEVEL}/*" |
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fi |
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for x in $mylevels |
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do |
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if [ -L $x ] |
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then |
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myscripts="$myscripts ${x##*/}" |
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fi |
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done |
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fi |
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|
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#the softscripts dir contains all scripts that belong to the |
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#runlevel specified in ${svcdir}/softlevel |
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#it needs to be a new directory, else when stopping the services |
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#and the old directory is not intact, things get broken |
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|
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install -d -m0755 ${svcdir}/softscripts.new |
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|
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for x in $myscripts |
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do |
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if [ ! -e /etc/init.d/${x} ] |
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then |
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echo "skipping, /etc/init.d/${x} missing" |
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continue |
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fi |
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#the -f eliminates a warning if the symlink already exists, |
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#which can happen if a service is in both the boot level and |
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#the current "normal" runlevel |
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ln -sf /etc/init.d/${x} ${svcdir}/softscripts.new/${x} |
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done |
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|
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dep_stop() { |
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local x |
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local needsme |
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local myservice |
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local depservice |
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[ ! -L ${1} ] && continue |
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if [ ! -e ${1} ] |
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then |
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#remove dud symlinks |
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rm ${1} |
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continue |
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fi |
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myservice=${1##*/} |
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|
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if [ ! -L ${svcdir}/softscripts.new/${myservice} ] |
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then |
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#candidate for zapping |
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|
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#should not work for 'use' |
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if [ ! -d ${svcdir}/need/${myservice} ] #&& [ ! -d ${svcdir}/use/${myservice} ] |
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then |
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#nothing depends on me |
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if [ -L ${svcdir}/started/${myservice} ] |
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then |
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${1} stop |
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fi |
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else |
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#something may depend on me |
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needsme=0 |
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for mytype in need #use |
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do |
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for dep in ${svcdir}/${mytype}/${myservice}/* |
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do |
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if [ -e ${dep} ] && [ -L /${svcdir}/softscripts.new/${dep##*/} ] |
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then |
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#this dep is valid |
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needsme=1 |
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break |
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fi |
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done |
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done |
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if [ $needsme -eq 0 ] |
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then |
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if [ -L ${svcdir}/started/${myservice} ] |
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then |
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${1} stop |
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fi |
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fi |
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fi |
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fi |
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} |
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|
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#stop services |
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for i in ${svcdir}/started/* |
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do |
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dep_stop $i |
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done |
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|
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# Only change softlevel AFTER all the services have been stopped, |
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# else they will not get the depend's right (wrong SOFTLEVEL) |
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|
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echo $SOFTLEVEL > /dev/shm/.init.d/softlevel |
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|
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if [ "$SOFTLEVEL" = "reboot" ] || [ "$SOFTLEVEL" = "shutdown" ] |
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then |
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source /etc/init.d/functions.sh |
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source /etc/init.d/halt.sh |
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if [ "$SOFTLEVEL" = "reboot" ] |
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then |
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source /etc/init.d/reboot.sh |
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else |
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source /etc/init.d/shutdown.sh |
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fi |
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fi |
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|
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#move the old softscritps directory to a different one |
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#and make the new softscripts directory the current |
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|
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mv ${svcdir}/softscripts ${svcdir}/softscripts.old |
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mv ${svcdir}/softscripts.new/ ${svcdir}/softscripts |
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|
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dep_start() { |
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local x |
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local myservice |
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local depservice |
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if [ ! -L $1 ] |
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then |
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continue |
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fi |
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#only start a script if it isn't already running |
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myservice=${1##*/} |
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if [ ! -L ${svcdir}/started/${myservice} ] |
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then |
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$1 start |
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fi |
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} |
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#start scripts |
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for i in ${svcdir}/softscripts/* |
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do |
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dep_start $i |
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done |
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|
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#clean the old runlevel |
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rm -rf ${svcdir}/softscripts.old |
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|
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#depends gets newked, so update them |
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#(this problem should be solved now, but i think it will be a good idea |
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# to recreate the deps after a change in runlevel) |
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|
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/etc/init.d/depscan.sh >/dev/null 2>/dev/null |
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|
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#we want devfsd running after a change of runlevel (this is mostly if we return |
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#from runlevel 'single') |
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if [ "`cat /proc/mounts | grep '/dev devfs'`" ] && [ ! "`ps -A |grep devfsd`" ] |
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then |
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/sbin/devfsd /dev >/dev/null 2>&1 |
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fi |
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|
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#if we were in the boot runlevel, it is done now ... |
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[ -n "$BOOT" ] && unset BOOT |
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