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#!/sbin/runscript
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# Copyright 1999-2012 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License, v2
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# $Header: /var/cvsroot/gentoo-x86/x11-base/xorg-server/files/xdm.initd-7,v 1.1 2012/03/20 16:02:51 ssuominen Exp $
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# This is here to serve as a note to myself, and future developers.
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#
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# Any Display manager (gdm,kdm,xdm) has the following problem: if
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# it is started before any getty, and no vt is specified, it will
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# usually run on vt2. When the getty on vt2 then starts, and the
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# DM is already started, the getty will take control of the keyboard,
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# leaving us with a "dead" keyboard.
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#
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# Resolution: add the following line to /etc/inittab
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#
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# x:a:once:/etc/X11/startDM.sh
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#
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# and have /etc/X11/startDM.sh start the DM in daemon mode if
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# a lock is present (with the info of what DM should be started),
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# else just fall through.
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#
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# How this basically works, is the "a" runlevel is a additional
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# runlevel that you can use to fork processes with init, but the
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# runlevel never gets changed to this runlevel. Along with the "a"
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# runlevel, the "once" key word means that startDM.sh will only be
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# run when we specify it to run, thus eliminating respawning
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# startDM.sh when "xdm" is not added to the default runlevel, as was
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# done previously.
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#
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# This script then just calls "telinit a", and init will run
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# /etc/X11/startDM.sh after the current runlevel completes (this
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# script should only be added to the actual runlevel the user is
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# using).
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#
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# Martin Schlemmer
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# aka Azarah
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# 04 March 2002
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depend() {
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need localmount xdm-setup
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# this should start as early as possible
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# we can't do 'before *' as that breaks it
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# (#139824) Start after ypbind and autofs for network authentication
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# (#145219 #180163) Could use lirc mouse as input device
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# (#70689 comment #92) Start after consolefont to avoid display corruption
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# (#291269) Start after quota, since some dm need readable home
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# (#390609) gdm-3 will fail when dbus is not running
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# (#366753) starting keymaps after X causes problems
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after bootmisc consolefont modules netmount
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after readahead-list ypbind autofs openvpn gpm lircmd
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after quota keymaps
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before alsasound
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# Start before X
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use consolekit dbus xfs
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}
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setup_dm() {
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local MY_XDM
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MY_XDM=$(echo "${DISPLAYMANAGER}" | tr '[:upper:]' '[:lower:]')
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# Load our root path from profile.env
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# Needed for kdm
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PATH=${PATH}:$(. /etc/profile.env; echo "${ROOTPATH}")
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NAME=
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case "${MY_XDM}" in
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kdm|kde)
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EXE=/usr/bin/kdm
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PIDFILE=/var/run/kdm.pid
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;;
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entrance*)
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EXE=/usr/sbin/entranced
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PIDFILE=/var/lib/entranced.pid
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;;
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gdm|gnome)
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EXE=/usr/bin/gdm
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[ "${RC_UNAME}" != "Linux" ] && NAME=gdm-binary
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PIDFILE=/var/run/gdm.pid
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;;
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wdm)
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EXE=/usr/bin/wdm
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PIDFILE=
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;;
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gpe)
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EXE=/usr/bin/gpe-dm
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PIDFILE=/var/run/gpe-dm.pid
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;;
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lxdm)
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EXE=/usr/sbin/lxdm-binary
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PIDFILE=/var/run/lxdm.pid
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START_STOP_ARGS="--background"
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;;
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lightdm)
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EXE=/usr/sbin/lightdm
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PIDFILE=/var/run/lightdm.pid
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START_STOP_ARGS="--background"
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;;
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*)
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# first find out if there is such executable
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EXE="$(command -v ${MY_XDM} 2>/dev/null)"
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PIDFILE="/var/run/${MY_XDM}.pid"
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# warn user that he is doing sick things if the exe was not found
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if [ -z "${EXE}" ]; then
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echo "ERROR: Your XDM value is invalid."
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echo " No ${MY_XDM} executable could be found on your system."
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fi
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;;
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esac
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if ! [ -x "${EXE}" ]; then
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EXE=/usr/bin/xdm
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PIDFILE=/var/run/xdm.pid
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if ! [ -x "/usr/bin/xdm" ]; then
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echo "ERROR: Please set your DISPLAYMANAGER variable in /etc/conf.d/xdm,"
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echo " or install x11-apps/xdm package"
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eend 255
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fi
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fi
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}
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# Check to see if something is defined on our VT
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vtstatic() {
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if [ -e /etc/inittab ] ; then
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grep -Eq "^[^#]+.*\<tty$1\>" /etc/inittab
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elif [ -e /etc/ttys ] ; then
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grep -q "^ttyv$(($1 - 1))" /etc/ttys
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else
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return 1
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fi
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}
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start() {
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local EXE NAME PIDFILE
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setup_dm
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if [ -f /etc/.noxdm ]; then
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einfo "Skipping ${EXE##*/}, /etc/.noxdm found or \"nox\" bootparam passed."
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rm /etc/.noxdm
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return 0
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fi
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ebegin "Setting up ${EXE##*/}"
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# save the prefered DM
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save_options "service" "${EXE}"
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save_options "name" "${NAME}"
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save_options "pidfile" "${PIDFILE}"
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save_options "start_stop_args" "${START_STOP_ARGS}"
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if [ -n "${CHECKVT-y}" ] ; then
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if vtstatic "${CHECKVT:-7}" ; then
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if [ -x /sbin/telinit ] && [ "${SOFTLEVEL}" != "BOOT" ] && [ "${RC_SOFTLEVEL}" != "BOOT" ]; then
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ewarn "Something is already defined on VT ${CHECKVT:-7}, will start X later"
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telinit a >/dev/null 2>&1
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return 0
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else
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eerror "Something is already defined on VT ${CHECKVT:-7}, not starting"
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return 1
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fi
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fi
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fi
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/etc/X11/startDM.sh
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eend 0
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}
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stop() {
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local curvt retval
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retval=0
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if [ -t 0 ]; then
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if type fgconsole >/dev/null 2>&1; then
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curvt=$(fgconsole 2>/dev/null)
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else
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curvt=$(tty)
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case "${curvt}" in
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/dev/ttyv[0-9]*) curvt=${curvt#/dev/ttyv} ;;
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*) curvt= ;;
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esac
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fi
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fi
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local myexe myname mypidfile myservice
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myexe=$(get_options "service")
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myname=$(get_options "name")
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mypidfile=$(get_options "pidfile")
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myservice=${myexe##*/}
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[ -z "${myexe}" ] && return 0
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ebegin "Stopping ${myservice}"
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if start-stop-daemon --quiet --test --stop --exec "${myexe}"; then
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start-stop-daemon --stop --exec "${myexe}" --retry TERM/5/TERM/5 \
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${mypidfile:+--pidfile} ${mypidfile} \
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${myname:+--name} ${myname}
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retval=${?}
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fi
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# switch back to original vt
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if [ -n "${curvt}" ]; then
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if type chvt >/dev/null 2>&1; then
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chvt "${curvt}"
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else
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vidcontrol -s "$((curvt + 1))"
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fi
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fi
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eend ${retval} "Error stopping ${myservice}"
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return ${retval}
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}
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# vim: set ts=4 :
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