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Added install framework and instructions.
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#! /bin/sh | ||
### BEGIN INIT INFO | ||
# Provides: raspi2fb | ||
# Required-Start: $remote_fs $syslog | ||
# Required-Stop: $remote_fs $syslog | ||
# Default-Start: 2 3 4 5 | ||
# Default-Stop: 0 1 6 | ||
# Short-Description: System information daemon (mztx LCD) | ||
# Description: System information daemon (mztx LCD) | ||
### END INIT INFO | ||
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# Author: Andrew Duncan | ||
# | ||
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# Do NOT "set -e" | ||
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# PATH should only include /usr/* if it runs after the mountnfs.sh script | ||
PATH=/sbin:/usr/sbin:/bin:/usr/bin | ||
DESC="Copy Raspberry Pi screen to a secondary framebuffer" | ||
NAME=raspi2fb | ||
DAEMON=/usr/local/bin/$NAME | ||
PIDFILE=/var/run/$NAME.pid | ||
DAEMON_ARGS="--daemon --pidfile $PIDFILE" | ||
SCRIPTNAME=/etc/init.d/$NAME | ||
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# Exit if the package is not installed | ||
[ -x "$DAEMON" ] || exit 0 | ||
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# Read configuration variable file if it is present | ||
[ -r /etc/default/$NAME ] && . /etc/default/$NAME | ||
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# Load the VERBOSE setting and other rcS variables | ||
. /lib/init/vars.sh | ||
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# Define LSB log_* functions. | ||
# Depend on lsb-base (>= 3.2-14) to ensure that this file is present | ||
# and status_of_proc is working. | ||
. /lib/lsb/init-functions | ||
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# | ||
# Function that starts the daemon/service | ||
# | ||
do_start() | ||
{ | ||
# Return | ||
# 0 if daemon has been started | ||
# 1 if daemon was already running | ||
# 2 if daemon could not be started | ||
start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON --test > /dev/null \ | ||
|| return 1 | ||
start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON -- \ | ||
$DAEMON_ARGS \ | ||
|| return 2 | ||
# Add code here, if necessary, that waits for the process to be ready | ||
# to handle requests from services started subsequently which depend | ||
# on this one. As a last resort, sleep for some time. | ||
} | ||
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# | ||
# Function that stops the daemon/service | ||
# | ||
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 | ||
start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE | ||
RETVAL="$?" | ||
[ "$RETVAL" = 2 ] && return 2 | ||
# Wait for children to finish too if this is a daemon that forks | ||
# and if the daemon is only ever run from this initscript. | ||
# If the above conditions are not satisfied then add some other code | ||
# that waits for the process to drop all resources that could be | ||
# needed by services started subsequently. A last resort is to | ||
# sleep for some time. | ||
start-stop-daemon --stop --quiet --oknodo --retry=0/30/KILL/5 --exec $DAEMON | ||
[ "$?" = 2 ] && return 2 | ||
# Many daemons don't delete their pidfiles when they exit. | ||
rm -f $PIDFILE | ||
return "$RETVAL" | ||
} | ||
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# | ||
# Function that sends a SIGHUP to the daemon/service | ||
# | ||
do_reload() { | ||
# | ||
# If the daemon can reload its configuration without | ||
# restarting (for example, when it is sent a SIGHUP), | ||
# then implement that here. | ||
# | ||
start-stop-daemon --stop --signal 1 --quiet --pidfile $PIDFILE | ||
return 0 | ||
} | ||
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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) [ "$VERBOSE" != no ] && log_end_msg 1 ;; | ||
esac | ||
;; | ||
stop) | ||
[ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME" | ||
do_stop | ||
case "$?" in | ||
0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;; | ||
2) [ "$VERBOSE" != no ] && log_end_msg 1 ;; | ||
esac | ||
;; | ||
status) | ||
status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $? | ||
;; | ||
#reload|force-reload) | ||
# | ||
# If do_reload() is not implemented then leave this commented out | ||
# and leave 'force-reload' as an alias for 'restart'. | ||
# | ||
#log_daemon_msg "Reloading $DESC" "$NAME" | ||
#do_reload | ||
#log_end_msg $? | ||
#;; | ||
restart|force-reload) | ||
# | ||
# If the "reload" option is implemented then remove the | ||
# 'force-reload' alias | ||
# | ||
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|restart|reload|force-reload}" >&2 | ||
echo "Usage: $SCRIPTNAME {start|stop|status|restart|force-reload}" >&2 | ||
exit 3 | ||
;; | ||
esac | ||
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