base/bind_internal_win.h

   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 // Specializations of RunnableAdapter<> for Windows specific calling
   6 // conventions.  Please see base/bind_internal.h for more info.
   7
   8 #ifndef BASE_BIND_INTERNAL_WIN_H_
   9 #define BASE_BIND_INTERNAL_WIN_H_
  10
  11 // In the x64 architecture in Windows, __fastcall, __stdcall, etc, are all
  12 // the same as __cdecl which would turn the following specializations into
  13 // multiple definitions.
  14 #if !defined(ARCH_CPU_X86_64)
  15
  16 namespace base {
  17 namespace internal {
  18
  19 template <typename Functor>
  20 class RunnableAdapter;
  21
  22 // __stdcall Function.
  23 template <typename R, typename... Args>
  24 class RunnableAdapter<R(__stdcall *)(Args...)> {
  25  public:
  26   typedef R (RunType)(Args...);
  27
  28   explicit RunnableAdapter(R(__stdcall *function)(Args...))
  29       : function_(function) {
  30   }
  31
  32   R Run(typename CallbackParamTraits<Args>::ForwardType... args) {
  33     return function_(args...);
  34   }
  35
  36  private:
  37   R (__stdcall *function_)(Args...);
  38 };
  39
  40 // __fastcall Function.
  41 template <typename R, typename... Args>
  42 class RunnableAdapter<R(__fastcall *)(Args...)> {
  43  public:
  44   typedef R (RunType)(Args...);
  45
  46   explicit RunnableAdapter(R(__fastcall *function)(Args...))
  47       : function_(function) {
  48   }
  49
  50   R Run(typename CallbackParamTraits<Args>::ForwardType... args) {
  51     return function_(args...);
  52   }
  53
  54  private:
  55   R (__fastcall *function_)(Args...);
  56 };
  57
  58 }  // namespace internal
  59 }  // namespace base
  60
  61 #endif  // !defined(ARCH_CPU_X86_64)
  62
  63 #endif  // BASE_BIND_INTERNAL_WIN_H_