+# Locking
+LOCKFILE=/home/backup/backuprun.lockfile
+
+# Die gracefully (ie. remove lockfile)
+die() {
+ rm $LOCKFILE
+ exit 255
+}
+
+trap die SIGINT SIGTERM
+
+if [ -e $LOCKFILE ]; then
+ echo `date`": $LOCKFILE exists, exiting."
+ exit 1
+fi;
+touch $LOCKFILE
+