text: // Copyright (c) 2006, 2007 Julio M. Merino Vidal
  // Copyright (c) 2008 Ilya Sokolov, Boris Schaeling
  // Copyright (c) 2009 Boris Schaeling
  // Copyright (c) 2010 Felipe Tanus, Boris Schaeling
  // Copyright (c) 2011, 2012 Jeff Flinn, Boris Schaeling
  //
  // Distributed under the Boost Software License, Version 1.0. (See accompanying
  // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  
  #ifndef BOOST_PROCESS_WINDOWS_INITIALIZERS_NULL_IN_HPP
  #define BOOST_PROCESS_WINDOWS_INITIALIZERS_NULL_IN_HPP
  
  #include <boost/winapi/process.hpp>
  #include <boost/winapi/handles.hpp>
  #include <boost/winapi/handle_info.hpp>
  #include <boost/process/detail/handler_base.hpp>
  #include <boost/process/detail/used_handles.hpp>
  #include <boost/process/detail/windows/file_descriptor.hpp>
  
  namespace boost { namespace process { namespace detail { namespace windows {
  
  struct null_in : public ::boost::process::detail::handler_base, ::boost::process::detail::uses_handles
  {
      file_descriptor source{"NUL", file_descriptor::read};
  
      ::boost::winapi::HANDLE_ get_used_handles() const { return source.handle(); }
  
  
  public:
      template <class WindowsExecutor>
      void on_setup(WindowsExecutor &e) const
      {
          boost::winapi::SetHandleInformation(source.handle(),
                  boost::winapi::HANDLE_FLAG_INHERIT_,
                  boost::winapi::HANDLE_FLAG_INHERIT_);
  
          e.startup_info.hStdInput = source.handle();
          e.startup_info.dwFlags  |= boost::winapi::STARTF_USESTDHANDLES_;
          e.inherit_handles = true;
      }
  };
  
  }}}}
  
  #endif
  