# See ../COPYING for terms
# GLobals
-TEST=false
-RELOAD=false
-FIFO=/lib/mkinit/cmd
-INITCTL=/dev/initctl
+COMMAND=boot
+TESTING=false
+if [ $$ == 1 ]; then
+ DAEMON=true
+else
+ DAEMON=false
+fi
+
PATH=/lib/mkinit/bin:/bin:/sbin:/usr/bin:/usr/sbin
export PATH
echo 'usage: '$0' [options] [command]'
echo
echo 'Options:'
- echo ' -h,--help Print usage information'
- echo ' -r,--relaod Prevent spawning listeners when reloading'
- echo ' -t,--test Fake all commands'
- echo
+ echo ' -h,--help Print usage information'
+ echo ' -t,--test Fake all commands'
+ echo ' -d,--daemon For spawning stdin listener'
+ echo ''
echo 'Command:'
- echo ' boot Execute boot-up procedures'
- echo ' halt Execute shutdown procedures'
- echo ' reload Re-execute init process'
- echo ' mk <rule> Execute mk rule'
+ echo ' boot Execute boot-up procedures'
+ echo ' halt Execute shutdown procedures'
+ echo ' reload Re-execute init process'
+ echo ' mk <rule> Execute mk rule'
echo ' start|stop|restart|zap|status <service>'
- echo ' Start,stop,restart,zap or query status of service'
- echo ' eval <cmd> Execute command in mkinit process'
+ echo ' Start,stop,restart,zap or query status of service'
+ echo ' eval <cmd> Execute command in mkinit process'
exit
}
+# Handle arguments
+function doopts {
+ TMP=`getopt -n "$0" -o htd -l help,test,daemon -- "$@"`
+ [ $? != 0 ] &&
+ usage
+ eval set -- "$TMP"
+
+ # Parse options
+ while [ ! "$1" == "--" ]; do
+ case "$1" in
+ -h|--help ) usage ;;
+ -t|--test ) TESTING=true ;;
+ -d|--daemon ) DAEMON=true ;;
+ esac
+ shift
+ done
+ shift
+ if [ "$*" ]; then
+ COMMAND=($@)
+ fi
+
+ # Debugging output
+ if $TESTING; then
+ echo 'Options' 1>&2
+ echo ' TESTING:' $TESTING 1>&2
+ echo ' DAEMON:' $DAEMON 1>&2
+ echo ' COMMAND:' $COMMAND 1>&2
+ fi
+}
+
# Run mk on the init scripts
function runamk {
- $TEST &&
- export P=true
+ if $TESTING; then
+ export P=echo
+ export MKINIT_STATE=/tmp/mkinit_state
+ mkdir -p $MKINIT_STATE
+ fi
/usr/lib/plan9/bin/mk \
-f /etc/init.mk \
-i -k "$@"
function process {
cmd=$1
shift
- arg=$*
- exec 1>/dev/console
+ echo mkinit -- running "$cmd" "$@"
case "$cmd" in
boot )
- echo
- echo mkinit -- booting
- runamk -a "$arg"
+ runamk -a "$@"
;;
restart )
- if [ "$arg" ]; then
- echo mkinit -- restarting $arg
- runamk "$arg"-stop
- runamk "$arg"-start
+ if [ "$*" ]; then
+ runamk "$@"-stop ||
+ runamk "$@"-zap
+ runamk "$@"-start
fi
;;
start|stop|zap|status )
- if [ "$arg" ]; then
- echo mkinit -- ${cmd}ing $arg
- runamk "$arg-$cmd"
- fi
- ;;
- mk|runlevel )
- if [ "$arg" ]; then
- [ "$cmd" = mk ] &&
- echo mkinit -- running mk cmd [$arg]
- [ "$cmd" = runlevel ] &&
- echo mkinit -- entering runlevel $arg
- runamk "$arg"
+ if [ "$*" ]; then
+ runamk "$@-$cmd"
fi
;;
reload )
- echo mkinit -- ${cmd}ing
- $TEST &&
+ $TESTING &&
opt=-t
exec $0 -r $opt
;;
+ poweroff|reboot|kexec|halt)
+ ( runamk "$cmd" "$@" & )
+ ;;
eval )
- eval $arg
+ eval "$@"
;;
?* )
- echo mkinit -- unknown command [$cmd] [$arg]
+ runamk "$cmd" "$@"
;;
esac
}
-# Telinit
-if [ $$ != 1 -a $1 != "-t" ]; then
- echo "$@" > $FIFO
- exit
-fi
-
-# Handle arguments
-TMP=`getopt -n "$0" \
- --options hrt \
- --longoptions help,reload,test \
- -- "$@"`
-[ $? != 0 ] &&
- usage
-eval set -- "$TMP"
-while [ ! "$1" == "--" ]; do
- $TEST &&
- echo '$1=' $1
- case "$1" in
- -h|--help )
- usage
- ;;
- -r|--reload )
- RELOAD=true
- ;;
- -t|--test )
- TEST=true
- FIFO=/tmp/pipe
- INITCTL=/tmp/initctl
- trap "pkill -HUP -P $$" EXIT
- ;;
- esac
- shift
-done
-shift; cmd=$1
-shift; arg=$*
+# Process arguments
+doopts "$@"
-# Debugging output
-if $TEST; then
- echo 'Options'
- echo ' test:' $TEST
- echo ' reload:' $RELOAD
- echo ' cmd:' $cmd
- echo ' arg:' $arg
-fi
-
-# Create fifos if they don't exist
-test ! -e $FIFO &&
- mkfifo $FIFO
-test ! -e $INITCTL &&
- mkfifo $INITCTL
-
-# Initial boot-up
-process $cmd $arg
-
-# Fork listeners
-if ! $RELOAD; then
- # Fork /dev/initctl listener
- ( exec 0<&- 1<&- 2<&-
- initctld $INITCTL |
- while read line; do
- echo $line > $FIFO
- done ) &
-
- # Fork console listener
- # Readline uses stdin,stderr
- ( exec 1<&-;
- while true; do
- while read -e -p "mkinit> " line; do
- echo $line > $FIFO
- history -s $line
- done
- $TEST && break
- exec 0</dev/console 2>/dev/console
- echo "Respawning on /dev/console.." >&2
- sleep 1
- done) <&0 &
-
- # Close stdin, stderr
- exec 0<&- 2<&-
-fi
+# Run whatever was requested
+process "${COMMAND[@]}"
-# Main loop
-while true; do
- while read line; do
+# Fork console listener
+while $DAEMON; do
+ while read -ep "mkinit> " line; do
process $line
- done < $FIFO
+ history -s $line
+ done
+ $TESTING && exit
+ exec 0</dev/console 1>/dev/console 2>&1
+ echo "Respawning on /dev/console.."
+ sleep 1
done
projects / mkinit / blobdiff