Add support for modifying TCP and UDP socket buffer size in nacl_io

native_client_sdk/src/libraries/nacl_io/socket/udp_node.h

 // 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_SOCKET_UDP_NODE_H_
 #define LIBRARIES_NACL_IO_SOCKET_UDP_NODE_H_
 
 #include "nacl_io/ossocket.h"
 #ifdef PROVIDES_SOCKET_API
 
@@ skipping 17 matching lines @@
   virtual UdpEventEmitter* GetEventEmitter();
 
   virtual void QueueInput();
   virtual void QueueOutput();
 
   virtual Error Bind(const struct sockaddr* addr, socklen_t len);
   virtual Error Connect(const HandleAttr& attr,
                         const struct sockaddr* addr,
                         socklen_t len);
 
+  virtual Error SetSockOpt(int lvl,
+                           int optname,
+                           const void* optval,
+                           socklen_t len);
+
  protected:
   virtual Error Recv_Locked(void* buf,
                             size_t len,
                             PP_Resource* addr,
                             int* out_len);
 
   virtual Error Send_Locked(const void* buf,
                             size_t len,
                             PP_Resource addr,
                             int* out_len);
 
   ScopedUdpEventEmitter emitter_;
 };
 
 }  // namespace nacl_io
 
 #endif  // PROVIDES_SOCKET_API
 #endif  // LIBRARIES_NACL_IO_SOCKET_UDP_NODE_H_