--- loncom/lond	2004/08/02 11:02:02	1.220
+++ loncom/lond	2004/08/02 20:59:46	1.221
@@ -2,7 +2,7 @@
 # The LearningOnline Network
 # lond "LON Daemon" Server (port "LOND" 5663)
 #
-# $Id: lond,v 1.220 2004/08/02 11:02:02 foxr Exp $
+# $Id: lond,v 1.221 2004/08/02 20:59:46 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -50,13 +50,14 @@ use File::Copy;
 use LONCAPA::ConfigFileEdit;
 use LONCAPA::lonlocal;
 use LONCAPA::lonssl;
+use Fcntl qw(:flock);
 
 my $DEBUG = 0;		       # Non zero to enable debug log entries.
 
 my $status='';
 my $lastlog='';
 
-my $VERSION='$Revision: 1.220 $'; #' stupid emacs
+my $VERSION='$Revision: 1.221 $'; #' stupid emacs
 my $remoteVERSION;
 my $currenthostid="default";
 my $currentdomainid;
@@ -3251,10 +3252,11 @@ sub checkchildren {
     &logthis('Going to check on the children');
     my $docdir=$perlvar{'lonDocRoot'};
     foreach (sort keys %children) {
-	sleep 1;
+	#sleep 1;
         unless (kill 'USR1' => $_) {
 	    &logthis ('Child '.$_.' is dead');
             &logstatus($$.' is dead');
+	    delete($children{$_});
         } 
     }
     sleep 5;
@@ -3273,6 +3275,7 @@ sub checkchildren {
 	    #my $result=`echo 'Killed lond process $_.' | mailto $emailto -s '$subj' > /dev/null`;
 	    #$execdir=$perlvar{'lonDaemons'};
 	    #$result=`/bin/cp $execdir/logs/lond.log $execdir/logs/lond.log.$_`;
+	    delete($children{$_});
 	    alarm(0);
 	  }
         }
@@ -3280,6 +3283,7 @@ sub checkchildren {
     $SIG{ALRM} = 'DEFAULT';
     $SIG{__DIE__} = \&catchexception;
     &status("Finished checking children");
+    &logthis('Finished Checking children');
 }
 
 # --------------------------------------------------------------------- Logging
@@ -3350,17 +3354,19 @@ sub logstatus {
     &status("Doing logging");
     my $docdir=$perlvar{'lonDocRoot'};
     {
-    my $fh=IO::File->new(">>$docdir/lon-status/londstatus.txt");
-    print $fh $$."\t".$clientname."\t".$currenthostid."\t"
-	.$status."\t".$lastlog."\t $keymode\n";
-    $fh->close();
-    }
-    &status("Finished londstatus.txt");
-    {
 	my $fh=IO::File->new(">$docdir/lon-status/londchld/$$.txt");
         print $fh $status."\n".$lastlog."\n".time."\n$keymode";
         $fh->close();
     }
+    &status("Finished $$.txt");
+    {
+	open(LOG,">>$docdir/lon-status/londstatus.txt");
+	flock(LOG,LOCK_EX);
+	print LOG $$."\t".$clientname."\t".$currenthostid."\t"
+	    .$status."\t".$lastlog."\t $keymode\n";
+	flock(DB,LOCK_UN);
+	close(LOG);
+    }
     &status("Finished logging");
 }