79 lines
1.3 KiB
Bash
Executable file
79 lines
1.3 KiB
Bash
Executable file
#!/bin/rc
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# fshalt [-r] - sync (flush) and, if possible, halt all file servers
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# and optionally reboot
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rfork en
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reboot=no
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scram=no
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switch ($#*) {
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case 0
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case 1
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reboot=yes
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case *
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echo usage: $0 '[-r]' >[1=2]
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exit usage
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}
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path=(/bin)
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builtin cd /
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bind -c '#s' /srv
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bind '#p' /proc
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unmount /mnt/consoles >[2]/dev/null
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kill consolefs | rc # don't compete with /mnt/consoles
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sleep 1
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c=`{ls /srv/cwfs*cmd >[2]/dev/null}
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h=`{ls /srv/hjfs*cmd >[2]/dev/null}
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# for scram, don't scram other systems
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bind -b '#P' /dev
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if(! ~ $reboot yes){
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if (test -e '#P'/apm)
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scram=yes
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if (test -e '#P'/acpitbls -a -e '#P'/iow)
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scram=yes
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}
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# halting (binaries we run can't be on the fs we're halting)
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ramfs
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builtin cd /tmp
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cp /bin/echo /tmp
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mkdir /tmp/lib
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cp /rc/lib/rcmain /tmp/lib
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cp /bin/ns /tmp
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cp /bin/rc /tmp
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cp /bin/sed /tmp
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cp /bin/sleep /tmp
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cp /bin/scram /tmp
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bind /tmp /rc
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bind /tmp /bin
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# put this in a shell function so this rc script doesn't get read
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# when it's no longer accessible
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fn x {
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echo
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echo -n halting...
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for (i in $c){
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echo -n $i...
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echo halt >>$i
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sleep 2
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}
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for(i in $h){
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echo -n $i
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echo halt >>$i
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sleep 2
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}
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echo
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echo done halting
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if (~ $reboot yes) {
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echo rebooting...
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echo reboot >'#c/reboot'
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}
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if (~ $scram yes){
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scram
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echo 'It''s now safe to turn off your computer'
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}
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}
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x
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