ircd:Ⓜ️ Expose an init::close() for ircd::main() to stop listening.

include/ircd/m/m.h

@@ -99,6 +99,8 @@ struct ircd::m::init
 
 	static void bootstrap();
 
+	void close();
+
   public:
 	init();
 	~init() noexcept;

ircd/ircd.cc

@@ -205,6 +205,7 @@ noexcept try
 	// Any deinits which have to be done with all subsystems intact
 	const unwind shutdown{[&]
 	{
+		_matrix_.close();
 		_server_.interrupt();
 		_client_.interrupt();
 		_server_.close();

ircd/m/m.cc

@@ -102,6 +102,12 @@ catch(const m::error &e)
 	ircd::terminate();
 }
 
+void
+ircd::m::init::close()
+{
+	listeners.reset(nullptr);
+}
+
 ircd::m::init::modules::modules(const json::object &config)
 try
 {