Add root check to ensure started as root.

Init $libdb::DBQUERY_MAXTRIES to 10 since the reload daemon should
always run.

tbsetup/batch_daemon.in

@@ -2,7 +2,7 @@
 
 #
 # EMULAB-COPYRIGHT
-# Copyright (c) 2000-2002 University of Utah and the Flux Group.
+# Copyright (c) 2000-2003 University of Utah and the Flux Group.
 # All rights reserved.
 #
 
@@ -34,6 +34,14 @@ my $DBNAME   = "@TBDBNAME@";
 my $TBOPS    = "@TBOPSEMAIL@";
 my $TBLOGS   = "@TBLOGSEMAIL@";
 
+#
+# Only root can run this script.
+#
+if ($UID) {
+    die("*** $0:\n".
+	"    Only root can run this script!\n");
+}
+
 #
 # Testbed Support libraries
 #
@@ -41,6 +49,9 @@ use lib "@prefix@/lib";
 use libdb;
 use libtestbed;
 
+# Be careful not to exit on transient error
+$libdb::DBQUERY_MAXTRIES = 10;
+
 my $tbbindir = "$TB/bin/";
 my $batchdir = "$TB/batch";
 my $startexp = "$TB/bin/startexp";