|  | // 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 NET_SOCKET_SOCKET_DESCRIPTOR_H_ | 
|  | #define NET_SOCKET_SOCKET_DESCRIPTOR_H_ | 
|  |  | 
|  | #include "build/build_config.h" | 
|  | #include "net/base/net_export.h" | 
|  |  | 
|  | #if defined(OS_WIN) | 
|  | #include <winsock2.h> | 
|  | #endif  // OS_WIN | 
|  |  | 
|  | namespace net { | 
|  |  | 
|  | #if defined(OS_POSIX) | 
|  | typedef int SocketDescriptor; | 
|  | const SocketDescriptor kInvalidSocket = -1; | 
|  | #elif defined(OS_WIN) | 
|  | typedef SOCKET SocketDescriptor; | 
|  | const SocketDescriptor kInvalidSocket = INVALID_SOCKET; | 
|  | #endif | 
|  |  | 
|  | // Creates  socket. See WSASocket/socket documentation of parameters. | 
|  | SocketDescriptor NET_EXPORT CreatePlatformSocket(int family, | 
|  | int type, | 
|  | int protocol); | 
|  |  | 
|  | }  // namespace net | 
|  |  | 
|  | #endif  // NET_SOCKET_SOCKET_DESCRIPTOR_H_ |