[NaCl SDK] nacl_io: implement set/getsockopt for TCP_NODELAY.

native_client_sdk/src/libraries/nacl_io/mount_node_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_MOUNT_NODE_TCP_H_
 #define LIBRARIES_NACL_IO_MOUNT_NODE_TCP_H_
 
 #include "nacl_io/ossocket.h"
 #ifdef PROVIDES_SOCKET_API
 
@@ skipping 21 matching lines @@
   virtual void QueueAccept();
   virtual void QueueConnect();
   virtual void QueueInput();
   virtual void QueueOutput();
 
   virtual Error Accept(const HandleAttr& attr,
                        PP_Resource* out_sock,
                        struct sockaddr* addr,
                        socklen_t* len);
   virtual Error Bind(const struct sockaddr* addr, socklen_t len);
-  virtual Error Listen(int backlog);
   virtual Error Connect(const HandleAttr& attr,
                         const struct sockaddr* addr,
                         socklen_t len);
+  virtual Error GetSockOpt(int lvl,
+                           int optname,
+                           void* optval,
+                           socklen_t* len);
+  virtual Error Listen(int backlog);
+  virtual Error SetSockOpt(int lvl,
+                           int optname,
+                           const void* optval,
+                           socklen_t len);
   virtual Error Shutdown(int how);
 
   virtual void SetError_Locked(int pp_error_num);
   void ConnectDone_Locked();
   void ConnectFailed_Locked();
 
  protected:
+  Error SetNoDelay_Locked();
   virtual Error Recv_Locked(void* buf,
                             size_t len,
                             PP_Resource* out_addr,
                             int* out_len);
 
   virtual Error Send_Locked(const void* buf,
                             size_t len,
                             PP_Resource addr,
                             int* out_len);
 
   ScopedEventEmitterTCP emitter_;
   PP_Resource accepted_socket_;
+  bool tcp_nodelay_;
 };
 
 
 }  // namespace nacl_io
 
 #endif  // PROVIDES_SOCKET_API
 #endif  // LIBRARIES_NACL_IO_MOUNT_NODE_TCP_H_