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#!/bin/sh
. /etc/init/rc.conf
main() {
PATH=/sbin:/bin:/usr/sbin:/usr/bin
log "Waiting for services to stop..."; {
sv -w196 force-stop /var/service/*
sv exit /var/service/*
}
log "Saving random seed..."; {
dd count=1 bs=512 if=/dev/random of=/var/random.seed
}
halt -w
log "Sending TERM signal to all processes..."; {
killall5 -TERM
sleep 1
}
log "Sending KILL signal to all processes..."; {
killall5 -KILL
}
log "Unmounting filesystems and disabling swap..." \
"Remounting rootfs as readonly"; {
swapoff -a
umount -rat nosysfs,noproc,nodevtmpfs,notmpfs
mount -o remount,ro /
sync
}
log "Deactivating dmcrypt devices (if any exist)."; {
[ -x /bin/cryptsetup ] && [ -x /bin/dmsetup ] && {
dmsetup ls --target crypt \
--exec "dmsetup info -c --noheadings -o open,name" |
while read -r drive; do
[ "${drive%%:*}" = "0" ] && cryptsetup close "${drive##*:}"
done
}
}
}
main
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