loncom/loncnew - diff

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-version 1.23, 2003/09/15 09:24:49
+version 1.24, 2003/09/16 09:46:42
  Line 45
  # Change log:
  #    $Log$
+ #    Revision 1.24  2003/09/16 09:46:42  foxr
+ #    Added skeletal infrastructure to support SIGUSR2 update hosts request.
+ #
  #    Revision 1.23  2003/09/15 09:24:49  foxr
  #    Add use strict and fix all the fallout from that.
  #
- Line 1596  $SIG{INT}  = \&Terminate;
+ Line 1599  $SIG{INT}  = \&Terminate;
  $SIG{TERM} = \&Terminate;
  $SIG{HUP}  = \&Restart;
  $SIG{USR1} = \&CheckKids;
+ $SIG{USR2} = \&UpdateKids;	# LonManage update request.
  while(1) {
      my $deadchild = wait();
- Line 1639  sub CheckKids {
+ Line 1643  sub CheckKids {
  =pod
+ =head1  UpdateKids
+ parent's SIGUSR1 handler.  This handler:
+ =item
+ Rereads the hosts file.
+ =item
+ Kills off (via sigint) children for hosts that have disappeared.
+ =item
+ HUP's children for hosts that already exist (this just forces a status display
+ and resets the connection retry count for that host.
+ =item
+ Starts new children for hosts that have been added to the hosts.tab file since
+ the start of the master program and maintains them.
+ =cut
+ sub UpdateKids {
+ }
+ =pod
  =head1 Restart
  Signal handler for HUP... all children are killed and