// excerpts from http://code.google.com/p/muduo/
 //
 // Use of this source code is governed by a BSD-style license
 // that can be found in the License file.
 //
 // Author: Shuo Chen (chenshuo at chenshuo dot com)
 
 #ifndef MUDUO_NET_EVENTLOOP_H
 #define MUDUO_NET_EVENTLOOP_H
 
 #include "thread/Thread.h"
 
+#include <boost/scoped_ptr.hpp>
+#include <vector>
+
 namespace muduo
 {
 
+class Channel;
+class Poller;
+
 class EventLoop : boost::noncopyable
 {
  public:
 
   EventLoop();
+
+  // force out-line dtor, for scoped_ptr members.
   ~EventLoop();
 
+  ///
+  /// Loops forever.
+  ///
+  /// Must be called in the same thread as creation of the object.
+  ///
   void loop();
 
+  void quit();
+
+  // internal use only
+  void updateChannel(Channel* channel);
+  // void removeChannel(Channel* channel);
+
   void assertInLoopThread()
   {
     if (!isInLoopThread())
     {
       abortNotInLoopThread();
     }
   }
 
   bool isInLoopThread() const { return threadId_ == CurrentThread::tid(); }
 
  private:
 
   void abortNotInLoopThread();
 
+  typedef std::vector<Channel*> ChannelList;
+
   bool looping_; /* atomic */
+  bool quit_; /* atomic */
   const pid_t threadId_;
+  boost::scoped_ptr<Poller> poller_;
+  ChannelList activeChannels_;
 
 };
 
 }
 
 #endif  // MUDUO_NET_EVENTLOOP_H