--- loncom/lond	2011/05/14 15:47:01	1.473
+++ loncom/lond	2011/05/14 16:12:53	1.474
@@ -2,7 +2,7 @@
 # The LearningOnline Network
 # lond "LON Daemon" Server (port "LOND" 5663)
 #
-# $Id: lond,v 1.473 2011/05/14 15:47:01 raeburn Exp $
+# $Id: lond,v 1.474 2011/05/14 16:12:53 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -60,7 +60,7 @@ my $DEBUG = 0;		       # Non zero to ena
 my $status='';
 my $lastlog='';
 
-my $VERSION='$Revision: 1.473 $'; #' stupid emacs
+my $VERSION='$Revision: 1.474 $'; #' stupid emacs
 my $remoteVERSION;
 my $currenthostid="default";
 my $currentdomainid;
@@ -6093,9 +6093,12 @@ sub HUPSMAN {                      # sig
 #
 sub ReloadApache {
 # --------------------------- Handle case of another apachereload process (locking)
-    my $execdir = $perlvar{'lonDaemons'};
-    my $script  = $execdir."/apachereload";
-    system($script);
+    if (&LONCAPA::try_to_lock('/tmp/lock_apachereload')) {
+        my $execdir = $perlvar{'lonDaemons'};
+        my $script  = $execdir."/apachereload";
+        system($script);
+        unlink('/tmp/lock_apachereload'); #  Remove the lock file.
+    }
 }
 
 #