Add close handling, move clock example to split threads

server.h

@@ -1,5 +1,7 @@
 #pragma once
 
+#include <queue>
+
 #include "firecgi/server.h"
 #include "stream.h"
 
@@ -7,13 +9,15 @@ namespace firesse {
 
 class Server {
   public:
-	Server(int port, const std::function<void(std::unique_ptr<Stream>)>& callback);
+	Server(int port, const std::function<void(Stream*)>& callback);
 	void Serve();
+	void Shutdown();
+	void RegisterSignalHandlers();
 
   private:
 	void OnRequest(firecgi::Request* request);
 
-	std::function<void(std::unique_ptr<Stream>)> callback_;
+	std::function<void(Stream*)> callback_;
 	firecgi::Server firecgi_server_;
 };