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      1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef NET_BASE_NET_EXPORT_H_
      6 #define NET_BASE_NET_EXPORT_H_
      7 
      8 // Defines NET_EXPORT so that functionality implemented by the net module can
      9 // be exported to consumers, and NET_EXPORT_PRIVATE that allows unit tests to
     10 // access features not intended to be used directly by real consumers.
     11 
     12 #if defined(COMPONENT_BUILD)
     13 #if defined(WIN32)
     14 
     15 #if defined(NET_IMPLEMENTATION)
     16 #define NET_EXPORT __declspec(dllexport)
     17 #define NET_EXPORT_PRIVATE __declspec(dllexport)
     18 #else
     19 #define NET_EXPORT __declspec(dllimport)
     20 #define NET_EXPORT_PRIVATE __declspec(dllimport)
     21 #endif  // defined(NET_IMPLEMENTATION)
     22 
     23 #else  // defined(WIN32)
     24 #if defined(NET_IMPLEMENTATION)
     25 #define NET_EXPORT __attribute__((visibility("default")))
     26 #define NET_EXPORT_PRIVATE __attribute__((visibility("default")))
     27 #else
     28 #define NET_EXPORT
     29 #define NET_EXPORT_PRIVATE
     30 #endif
     31 #endif
     32 
     33 #else  /// defined(COMPONENT_BUILD)
     34 #define NET_EXPORT
     35 #define NET_EXPORT_PRIVATE
     36 #endif
     37 
     38 #endif  // NET_BASE_NET_EXPORT_H_
     39