===================================================================
RCS file: /cvs/openbsd/OpenBSDTorrents/regen.sh,v
retrieving revision 1.5
retrieving revision 1.6
diff -u -r1.5 -r1.6
--- openbsd/OpenBSDTorrents/regen.sh	2005/04/06 22:33:35	1.5
+++ openbsd/OpenBSDTorrents/regen.sh	2005/05/02 22:49:21	1.6
@@ -1,9 +1,20 @@
 #!/bin/sh
-#$Id: regen.sh,v 1.5 2005/04/06 21:33:35 andrew Exp $
+#$Id: regen.sh,v 1.6 2005/05/02 21:49:21 andrew Exp $
 
 . /etc/OpenBSDTorrents.conf
 
 cd ${OBT_DIR_HOME}
+PIDFILE=${OBT_DIR_HOME}/run/regen.pid
+
+if [ -e ${PIDFILE} ]; then
+        PID=`head -1 ${PIDFILE}`
+        kill -0 ${PID} 2> /dev/null
+        if [ $? -eq 0 ]; then
+                echo Already running
+                exit 1
+        fi
+fi
+echo $$ > ${PIDFILE}
 
 if [[ $1 != skip ]]; then
 	echo ${OBT_DIR_HOME}/MakeTorrents.pl $*