1 // Copyright (c) 2006, 2007 Julio M. Merino Vidal 2 // Copyright (c) 2008 Ilya Sokolov, Boris Schaeling 3 // Copyright (c) 2009 Boris Schaeling 4 // Copyright (c) 2010 Felipe Tanus, Boris Schaeling 5 // Copyright (c) 2011, 2012 Jeff Flinn, Boris Schaeling 6 // 7 // Distributed under the Boost Software License, Version 1.0. (See accompanying 8 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 9 10 #ifndef BOOST_PROCESS_WINDOWS_INITIALIZERS_NULL_IN_HPP 11 #define BOOST_PROCESS_WINDOWS_INITIALIZERS_NULL_IN_HPP 12 13 #include <boost/winapi/process.hpp> 14 #include <boost/winapi/handles.hpp> 15 #include <boost/winapi/handle_info.hpp> 16 #include <boost/process/detail/handler_base.hpp> 17 #include <boost/process/detail/used_handles.hpp> 18 #include <boost/process/detail/windows/file_descriptor.hpp> 19 20 namespace boost { namespace process { namespace detail { namespace windows { 21 22 struct null_in : public ::boost::process::detail::handler_base, ::boost::process::detail::uses_handles 23 { 24 file_descriptor source{"NUL", file_descriptor::read}; 25 get_used_handlesboost::process::detail::windows::null_in26 ::boost::winapi::HANDLE_ get_used_handles() const { return source.handle(); } 27 28 29 public: 30 template <class WindowsExecutor> on_setupboost::process::detail::windows::null_in31 void on_setup(WindowsExecutor &e) const 32 { 33 boost::winapi::SetHandleInformation(source.handle(), 34 boost::winapi::HANDLE_FLAG_INHERIT_, 35 boost::winapi::HANDLE_FLAG_INHERIT_); 36 37 e.startup_info.hStdInput = source.handle(); 38 e.startup_info.dwFlags |= boost::winapi::STARTF_USESTDHANDLES_; 39 e.inherit_handles = true; 40 } 41 }; 42 43 }}}} 44 45 #endif 46