--- a/net/server_select.lua	Sat Jan 02 20:40:34 2016 +0000
+++ b/net/server_select.lua	Sat Jan 02 20:42:20 2016 +0000
@@ -911,6 +911,7 @@
 		socket_sleep( _sleeptime )
 	until quitting;
 	if once and quitting == "once" then quitting = nil; return; end
+	closeall();
 	return "quitting"
 end