root/native_client_sdk/src/libraries/nacl_io/pipe/pipe_event_emitter.h

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INCLUDED FROM

// Copyright 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_PIPE_PIPE_EVENT_EMITTER_H_
#define LIBRARIES_NACL_IO_PIPE_PIPE_EVENT_EMITTER_H_

#include <poll.h>
#include <stdint.h>
#include <stdlib.h>

#include "nacl_io/fifo_char.h"
#include "nacl_io/stream/stream_event_emitter.h"

#include "sdk_util/auto_lock.h"
#include "sdk_util/macros.h"

namespace nacl_io {

class PipeEventEmitter;
typedef sdk_util::ScopedRef<PipeEventEmitter> ScopedPipeEventEmitter;

class PipeEventEmitter : public StreamEventEmitter {
 public:
  PipeEventEmitter(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:
  FIFOChar fifo_;
  DISALLOW_COPY_AND_ASSIGN(PipeEventEmitter);
};

}  // namespace nacl_io

#endif  // LIBRARIES_NACL_IO_PIPE_PIPE_EVENT_EMITTER_H_
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