build/liblock.sh

   1 #
   2 # Takes directory as parameter
   3 #
   4 spinlock()
   5 {
   6         I=0
   7         #echo -n "Trying to acquire lock in '$1' ."
   8         while ! `mkdir "$1/.lock" &> /dev/null`; do
   9                 sleep 1;
  10                 ((I=I+1))
  11                 echo $I
  12                 if [ $I -gt 10 ]; then
  13                         echo "Failed to acquire lock '`pwd`/.lock'"
  14                         exit 1
  15                 fi
  16         #       echo -n .
  17         done
  18         #echo " done"
  19 }
  20
  21 spinunlock()
  22 {
  23         #echo "Removing lock in '$1'"
  24         rmdir "$1/.lock" &> /dev/null
  25 }