add epoller class

src/net/epoller.h

@@ -0,0 +1,15 @@
+// author: tanghai
+
+#include <boost/function.hpp>
+#include <boost/unordered_map.hpp>
+
+namespace hainan {
+typedef boost::unordered_map< int, boost::function<void (void)> > HandlerMap;
+class Epoller: private boost::noncopyable
+{
+private:
+	HandlerMap handlers;
+public:
+	void Add()
+};
+} // hainan