+bool ListenSocket::listeningDisabled = false;
+bool ListenSocket::anyListening = false;
+
+void
+ListenSocket::disableAll()
+{
+ if (anyListening)
+ panic("Too late to disable all listeners, already have a listener");
+ listeningDisabled = true;
+}
+
+bool
+ListenSocket::allDisabled()
+{
+ return listeningDisabled;
+}
+