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3rdparty/boost_1_81_0/boost/winapi/handles.hpp 2.43 KB
dbf9e800   Hu Chunming   提交_GLIBCXX_USE_CX...
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  /*
   * Copyright 2010 Vicente J. Botet Escriba
   * Copyright 2015 Andrey Semashev
   *
   * Distributed under the Boost Software License, Version 1.0.
   * See http://www.boost.org/LICENSE_1_0.txt
   */
  
  #ifndef BOOST_WINAPI_HANDLES_HPP_INCLUDED_
  #define BOOST_WINAPI_HANDLES_HPP_INCLUDED_
  
  #include <boost/winapi/basic_types.hpp>
  #include <boost/winapi/detail/header.hpp>
  
  #ifdef BOOST_HAS_PRAGMA_ONCE
  #pragma once
  #endif
  
  #if !defined( BOOST_USE_WINDOWS_H )
  extern "C" {
  BOOST_WINAPI_IMPORT_EXCEPT_WM boost::winapi::BOOL_ BOOST_WINAPI_WINAPI_CC
  CloseHandle(boost::winapi::HANDLE_ handle);
  
  BOOST_WINAPI_IMPORT_EXCEPT_WM boost::winapi::BOOL_ BOOST_WINAPI_WINAPI_CC
  DuplicateHandle(
      boost::winapi::HANDLE_ hSourceProcessHandle,
      boost::winapi::HANDLE_ hSourceHandle,
      boost::winapi::HANDLE_ hTargetProcessHandle,
      boost::winapi::HANDLE_* lpTargetHandle,
      boost::winapi::DWORD_ dwDesiredAccess,
      boost::winapi::BOOL_ bInheritHandle,
      boost::winapi::DWORD_ dwOptions);
  
  #if BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_WIN10
  BOOST_WINAPI_IMPORT boost::winapi::BOOL_ BOOST_WINAPI_WINAPI_CC
  CompareObjectHandles(
      boost::winapi::HANDLE_ hFirstObjectHandle,
      boost::winapi::HANDLE_ hSecondObjectHandle);
  #endif
  } // extern "C"
  #endif
  
  namespace boost {
  namespace winapi {
  
  using ::CloseHandle;
  using ::DuplicateHandle;
  
  #if BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_WIN10
  using ::CompareObjectHandles;
  #endif
  
  // Note: MSVC-14.1 does not interpret INVALID_HANDLE_VALUE_ initializer as a constant expression
  #if defined( BOOST_USE_WINDOWS_H )
  BOOST_CONSTEXPR_OR_CONST DWORD_ DUPLICATE_CLOSE_SOURCE_ = DUPLICATE_CLOSE_SOURCE;
  BOOST_CONSTEXPR_OR_CONST DWORD_ DUPLICATE_SAME_ACCESS_ = DUPLICATE_SAME_ACCESS;
  const HANDLE_ INVALID_HANDLE_VALUE_ = INVALID_HANDLE_VALUE;
  #else
  BOOST_CONSTEXPR_OR_CONST DWORD_ DUPLICATE_CLOSE_SOURCE_ = 1;
  BOOST_CONSTEXPR_OR_CONST DWORD_ DUPLICATE_SAME_ACCESS_ = 2;
  const HANDLE_ INVALID_HANDLE_VALUE_ = (HANDLE_)(-1);
  #endif
  
  BOOST_CONSTEXPR_OR_CONST DWORD_ duplicate_close_source = DUPLICATE_CLOSE_SOURCE_;
  BOOST_CONSTEXPR_OR_CONST DWORD_ duplicate_same_access = DUPLICATE_SAME_ACCESS_;
  // Note: The "unused" attribute here should not be necessary because the variable is a constant.
  //       However, MinGW gcc 5.3 spams warnings about this particular constant.
  const HANDLE_ invalid_handle_value BOOST_ATTRIBUTE_UNUSED = INVALID_HANDLE_VALUE_;
  
  }
  }
  
  #include <boost/winapi/detail/footer.hpp>
  
  #endif // BOOST_WINAPI_HANDLES_HPP_INCLUDED_