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_DETAIL_WINDOWS_FILE_OUT_HPP
11 #define BOOST_PROCESS_DETAIL_WINDOWS_FILE_OUT_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 template<int p1, int p2>
23 struct file_out : public ::boost::process::detail::handler_base,
24 ::boost::process::detail::uses_handles
25 {
26 file_descriptor file;
27 ::boost::winapi::HANDLE_ handle = file.handle();
28
get_used_handlesboost::process::detail::windows::file_out29 ::boost::winapi::HANDLE_ get_used_handles() const { return handle; }
30
31
32 template<typename T>
file_outboost::process::detail::windows::file_out33 file_out(T&& t) : file(std::forward<T>(t), file_descriptor::write) {}
file_outboost::process::detail::windows::file_out34 file_out(FILE * f) : handle(reinterpret_cast<void*>(_get_osfhandle(_fileno(f)))) {}
35
36 template <typename WindowsExecutor>
37 inline void on_setup(WindowsExecutor &e) const;
38 };
39
40 template<>
41 template<typename WindowsExecutor>
on_setup(WindowsExecutor & e) const42 void file_out<1,-1>::on_setup(WindowsExecutor &e) const
43 {
44 boost::winapi::SetHandleInformation(handle,
45 boost::winapi::HANDLE_FLAG_INHERIT_,
46 boost::winapi::HANDLE_FLAG_INHERIT_);
47
48 e.startup_info.hStdOutput = handle;
49 e.startup_info.dwFlags |= ::boost::winapi::STARTF_USESTDHANDLES_;
50 e.inherit_handles = true;
51 }
52
53 template<>
54 template<typename WindowsExecutor>
on_setup(WindowsExecutor & e) const55 void file_out<2,-1>::on_setup(WindowsExecutor &e) const
56 {
57 boost::winapi::SetHandleInformation(handle,
58 boost::winapi::HANDLE_FLAG_INHERIT_,
59 boost::winapi::HANDLE_FLAG_INHERIT_);
60
61 e.startup_info.hStdError = handle;
62 e.startup_info.dwFlags |= ::boost::winapi::STARTF_USESTDHANDLES_;
63 e.inherit_handles = true;
64 }
65
66 template<>
67 template<typename WindowsExecutor>
on_setup(WindowsExecutor & e) const68 void file_out<1,2>::on_setup(WindowsExecutor &e) const
69 {
70 boost::winapi::SetHandleInformation(handle,
71 boost::winapi::HANDLE_FLAG_INHERIT_,
72 boost::winapi::HANDLE_FLAG_INHERIT_);
73
74 e.startup_info.hStdOutput = handle;
75 e.startup_info.hStdError = handle;
76 e.startup_info.dwFlags |= ::boost::winapi::STARTF_USESTDHANDLES_;
77 e.inherit_handles = true;
78 }
79
80 }}}}
81
82 #endif
83