modules/debian_org/files/molly-guard/15-acquire-reboot-lock

   1 #!/bin/bash
   2
   3 # Copyright 2012 Peter Palfrader
   4
   5 l=/var/run/reboot-lock
   6 exec 3> $l
   7
   8 if ! flock --exclusive -w 0  3; then
   9         echo >&2 "Cannot acquire reboot lock."
  10         exit 1
  11 fi
  12 echo "Reboot lock acquired."
  13
  14 (
  15         while dsa-is-shutdown-scheduled; do
  16                 sleep 1
  17         done
  18 ) &
  19 disown
  20 exit 0