+ foreach $ref (DXChannel::get_all()) {
+ $ref->send_now("D", DXProt::pc39($main::mycall, "Shutdown by $call"))
+ if $ref->is_ak1a && $ref != $DXProt::me;
+ $ref->send_now("D", $self->msg('shutting')) if $ref->is_user;
+ }
+
+ # give some time for the buffers to empty and then shutdown (see cluster.pl)
+ $main::decease = 250;