[NaCl SDK] nacl_io: Add support for non-blocking connect/accept

native_client_sdk/src/libraries/nacl_io/event_emitter_tcp.h

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef LIBRARIES_NACL_IO_EVENT_EMITTER_TCP_H_
 #define LIBRARIES_NACL_IO_EVENT_EMITTER_TCP_H_
 
 #include "nacl_io/event_emitter_stream.h"
 #include "nacl_io/fifo_char.h"
 
+#include <ppapi/c/pp_resource.h>
+
 #include "sdk_util/macros.h"
 #include "sdk_util/scoped_ref.h"
 
+
 namespace nacl_io {
 
 class EventEmitterTCP;
+class MountNode;
+
 typedef sdk_util::ScopedRef<EventEmitterTCP> ScopedEventEmitterTCP;
 
 class EventEmitterTCP : public EventEmitterStream {
  public:
   EventEmitterTCP(size_t rsize, size_t wsize);
 
   uint32_t ReadIn_Locked(char* buffer, uint32_t len);
   uint32_t WriteIn_Locked(const char* buffer, uint32_t len);
 
   uint32_t ReadOut_Locked(char* buffer, uint32_t len);
   uint32_t WriteOut_Locked(const char* buffer, uint32_t len);
 
+  void ConnectDone();
+
+  PP_Resource GetAcceptedSocket_Locked();
+  void SetAcceptedSocket_Locked(PP_Resource socket);
+
+ protected:
   virtual FIFOChar* in_fifo() { return &in_fifo_; }
   virtual FIFOChar* out_fifo() { return &out_fifo_; }
 
-protected:
+ private:
   FIFOChar in_fifo_;
   FIFOChar out_fifo_;
+  PP_Resource accepted_socket_;
   DISALLOW_COPY_AND_ASSIGN(EventEmitterTCP);
 };
 
 }  // namespace nacl_io
 
 #endif  // LIBRARIES_NACL_IO_EVENT_EMITTER_TCP_H_