--- projects/cms/source/host/ihost-perl/ihost.pl	2001/02/28 12:25:48	1.21
+++ projects/cms/source/host/ihost-perl/ihost.pl	2001/03/01 10:49:27	1.22
@@ -10,7 +10,7 @@
 #  - pjm2@ukc.ac.uk
 #
 # $Author: pjm2 $
-# $Id: ihost.pl,v 1.21 2001/02/28 12:25:48 pjm2 Exp $
+# $Id: ihost.pl,v 1.22 2001/03/01 10:49:27 pjm2 Exp $
 #------------------------------------------------------------
 
 $| = 1;
@@ -304,7 +304,7 @@ sub send_tcp_heartbeat() {
 
     print $sock "HEARTBEAT\n";
     $response = <$sock>;
-    chop $response;
+    chop $response or return;
     if (!$response eq "OK") {
         close($sock);
         print "Server gave wrong response to HEARTBEAT: $response\n";
@@ -313,7 +313,7 @@ sub send_tcp_heartbeat() {
     
     print $sock "CONFIG\n";
     $response = <$sock>;
-    chop $response;
+    chop $response or return;
     if (!$response eq "OK") {
         close($sock);
         print "Server gave wrong response to CONFIG: $response\n";
@@ -322,7 +322,7 @@ sub send_tcp_heartbeat() {
 
     print $sock "$file_list\n";
     $response = <$sock>;
-    chop $response;
+    chop $response or return;
     if (!$response eq "OK") {
         close($sock);
         print "Server gave wrong response to file list: $response\n";
@@ -331,7 +331,7 @@ sub send_tcp_heartbeat() {
     
     print $sock "$last_modified\n";
     $response = <$sock>;
-    chop $response;
+    chop $response or return;
     if ($response eq "ERROR") {
         close($sock);
         &tcp_configure();
@@ -344,7 +344,7 @@ sub send_tcp_heartbeat() {
     }
     
     print $sock "ENDHEARTBEAT\n";
-    $response = <$sock>;
+    $response = <$sock> or return;
     chop $response;
     if (!$response eq "OK") {
         close($sock);