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

native_client_sdk/src/libraries/nacl_io/event_emitter_pipe.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_PIPE_H_
 #define LIBRARIES_NACL_IO_EVENT_EMITTER_PIPE_H_
 
 #include <poll.h>
 #include <stdint.h>
 #include <stdlib.h>
 
 #include "nacl_io/event_emitter_stream.h"
 #include "nacl_io/fifo_char.h"
 
 #include "sdk_util/auto_lock.h"
 #include "sdk_util/macros.h"
 
 namespace nacl_io {
 
 class EventEmitterPipe;
 typedef sdk_util::ScopedRef<EventEmitterPipe> ScopedEventEmitterPipe;
 
 class EventEmitterPipe : public EventEmitterStream {
  public:
   EventEmitterPipe(size_t size);
 
   size_t Read_Locked(char* data, size_t len);
   size_t Write_Locked(const char* data, size_t len);
 
+ protected:
   virtual FIFOChar* in_fifo() { return &fifo_; }
   virtual FIFOChar* out_fifo() { return &fifo_; }
 
-private:
+ private:
   FIFOChar fifo_;

[noelallen1, 2013/10/12 00:13:29]

Should remove in_fifo, out_fifo if they are private.

[Sam Clegg, 2013/10/12 00:24:11]

Turns out these are pure virtuals that are used by the
the parent class (EventEmitterStream) to access the fifos
declared in the child classes such as this one, so 
we still need them for now.

   DISALLOW_COPY_AND_ASSIGN(EventEmitterPipe);
 };
 
 }  // namespace nacl_io
 
 #endif  // LIBRARIES_NACL_IO_EVENT_EMITTER_PIPE_H_