/etc/init.d/gapd is in gap-scscp 2.1.4+ds-3.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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### BEGIN INIT INFO
# Provides: gapd
# Required-Start: $remote_fs $syslog
# Required-Stop: $remote_fs $syslog
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: GAP SCSCP server
# Description: SCSCP server for the GAP Computer Algebraic System
### END INIT INFO
#
# Author: Jerome Benoit <calculus@rezozer.net>
#
# Do NOT "set -e"
# PATH should only include /usr/* if it runs after the mountnfs.sh script
PATH=/sbin:/usr/sbin:/bin:/usr/bin
DESC="GAP SCSCP server"
NAME=gapd
REALNAME=gap
DAEMON=/usr/sbin/gapd
DAEMONUSER=_gapd
DAEMONARGS="-t log"
RUNDIR=/var/run/gapd
LOCKFILE=$RUNDIR/gapd.lock
PIDFILE=$RUNDIR/gapd.pid
WKSFILE=$RUNDIR/gapd.wks
LOGDIR=/var/log/gapd
LOGFILE=$LOGDIR/gapd.log
SCRIPTNAME=/etc/init.d/$NAME
# Exit if the package is not installed
[ -x "$DAEMON" ] || exit 0
# Exit if the DAEMONUSER does not exist
if ! getent passwd | grep -q "^$DAEMONUSER:"; then exit 0 ; fi
# Cleanup enviroment
unset TMPDIR TMP TEMPDIR TEMP LANG LANGUAGE
# Reset TMPDIR
export TMPDIR=$(su -l $DAEMONUSER -c 'printenv TMPDIR')
[ "$TMPDIR" ] || unset TMPDIR
# Read configuration variable file if it is present
GAPD_OPTIONS=""
[ -r /etc/default/$NAME ] && . /etc/default/$NAME
DAEMONARGS="$DAEMONARGS $GAPD_OPTIONS"
# Load the VERBOSE setting and other rcS variables
. /lib/init/vars.sh
# Define LSB log_* functions.
. /lib/lsb/init-functions
# START_GAPD meant to be set up in /etc/default/$NAME
case "$START_GAPD" in
NO|no)
START_GAPD=NO
;;
*)
START_GAPD=YES
;;
esac
daemon_mkdir()
{
local dmod=$1
local ddir=$2
mkdir --parents $ddir
chmod $dmod $ddir
chown $DAEMONUSER $ddir
chgrp $DAEMONUSER $ddir
}
daemon_touch_log()
{
touch $LOGFILE
chmod 0640 $LOGFILE
chown $DAEMONUSER $LOGFILE
chgrp $DAEMONUSER $LOGFILE
}
do_start()
{
# Return
# 0 if daemon has been started
# 1 if daemon was already running
# 2 if daemon could not be started
# 4 if daemon is disabled
[ "$START_GAPD" = "NO" ] && return 4
local counter=60
local WORKSPACE
daemon_mkdir 0700 $RUNDIR
daemon_mkdir 0750 $LOGDIR
daemon_touch_log
start-stop-daemon --start --quiet --chuid $DAEMONUSER --pidfile $PIDFILE --startas $DAEMON --test > /dev/null 2>&1 || return 1
WORKSPACE=$(mktemp --quiet --tmpdir --directory gapd-XXXXXXXXXXX) > /dev/null 2>&1 || return 2
chown $DAEMONUSER $WORKSPACE
chgrp $DAEMONUSER $WORKSPACE
export TMPDIR=$WORKSPACE
echo $WORKSPACE > $WKSFILE
start-stop-daemon --start --quiet --chuid $DAEMONUSER --chdir $WORKSPACE --pidfile $PIDFILE --startas $DAEMON -- $DAEMONARGS > /dev/null 2>&1 || return 2
while [ -f ${LOCKFILE} -a 0 -lt $counter ]; do
sleep 0.5
counter=$((counter - 1))
done
return 0
}
do_stop()
{
# Return
# 0 if daemon has been stopped
# 1 if daemon was already stopped
# 2 if daemon could not be stopped
# other if a failure occurred
local WORKSPACE
start-stop-daemon --stop --quiet --user $DAEMONUSER --retry=TERM/30/KILL/5 --pidfile $PIDFILE --name $REALNAME
RETVAL="$?"
[ "$RETVAL" = 2 ] && return 2
sleep 0.25
start-stop-daemon --stop --quiet --user $DAEMONUSER --oknodo --retry=0/30/KILL/5 --exec $DAEMON
[ "$?" = 2 ] && return 2
if [ -f $WKSFILE ]; then
WORKSPACE=$(cat $WKSFILE)
if [ -d $WORKSPACE ]; then
rm -rf $WORKSPACE
fi
rm -f $WKSFILE
fi
rm -f $PIDFILE
return "$RETVAL"
}
case "$1" in
start)
[ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME"
do_start
case "$?" in
0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
4) [ "$VERBOSE" != no ] && { log_progress_msg "disabled, see /etc/default/gapd" ; log_end_msg 255 ; } ;;
esac
;;
stop)
[ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME"
do_stop
case "$?" in
0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
esac
;;
status)
status_of_proc -p $PIDFILE "$DAEMON" "$NAME" && exit 0 || exit $?
;;
restart|force-reload)
log_daemon_msg "Restarting $DESC" "$NAME"
do_stop
case "$?" in
0|1)
do_start
case "$?" in
0) log_end_msg 0 ;;
1) log_end_msg 1 ;; # Old process is still running
*) log_end_msg 1 ;; # Failed to start
esac
;;
*)
# Failed to stop
log_end_msg 1
;;
esac
;;
*)
echo "Usage: $SCRIPTNAME {start|stop|status|restart|force-reload}" >&2
exit 3
;;
esac
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