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

native_client_sdk/src/libraries/nacl_io/mount_node_stream.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_MOUNT_NODE_STREAM_H_
 #define LIBRARIES_NACL_IO_MOUNT_NODE_STREAM_H_
 
 #include <map>
 #include <string>
 
 #include "nacl_io/event_emitter_pipe.h"
 #include "nacl_io/mount_node.h"
 #include "sdk_util/atomicops.h"
 
 namespace nacl_io {
 
 class MountNodeStream;
 class MountStream;
 
 typedef sdk_util::ScopedRef<MountNodeStream> ScopedMountNodeStream;
 
 enum StreamStateFlags {
   SSF_CONNECTING = 0x0001,
   SSF_SENDING = 0x0002,
   SSF_RECVING = 0x0004,
   SSF_CLOSING = 0x0008,
+  SSF_LISTENING = 0x000f,
   SSF_CAN_SEND = 0x0020,
   SSF_CAN_RECV = 0x0040,
+  SSF_CAN_ACCEPT = 0x0080,
+  SSF_CAN_CONNECT = 0x00f0,
   SSF_NON_BLOCK = 0x1000,
   SSF_ERROR = 0x4000,
   SSF_CLOSED = 0x8000
 };
 
 
 class MountNodeStream : public MountNode {
  public:
   explicit MountNodeStream(Mount* mnt);
 
@@ skipping 14 matching lines @@
   int read_timeout_;
   int write_timeout_;
 
  private:
   sdk_util::Atomic32 stream_state_flags_;
 };
 
 }  // namespace nacl_io
 
 #endif  // LIBRARIES_NACL_IO_MOUNT_NODE_STREAM_H_