Set closed for read state on a socket when indicated by the system

runtime/bin/socket_impl.dart

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 class _SocketBase {
   // Bit flags used when communicating between the eventhandler and
   // dart code. The EVENT flags are used to indicate events of
   // interest when sending a message from dart code to the
   // eventhandler. When receiving a message from the eventhandler the
@@ skipping 36 matching lines @@
   /*
    * Multiplexes socket events to the right socket handler.
    */
   void _multiplex(List<int> message) {
     assert(message.length == 1);
     _canActivateHandlers = false;
     int event_mask = message[0];
     for (int i = _FIRST_EVENT; i <= _LAST_EVENT; i++) {
       if (((event_mask & (1 << i)) != 0)) {
         if ((i == _CLOSE_EVENT) && this is _Socket && _id >= 0) {
+          _closedRead = true;
           if (_closedWrite) _close();
         }
 
         var eventHandler = _handlerMap[i];
         if (eventHandler != null) {
           // Unregister the out handler before executing it.
           if (i == _OUT_EVENT) _setHandler(i, null);
 
           // Don't call the in handler if there is no data available
           // after all.
@@ skipping 282 matching lines @@
     }
     return _outputStream;
   }
 
   bool _closedRead = false;
   bool _closedWrite = false;
   SocketInputStream _inputStream;
   SocketOutputStream _outputStream;
 }