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_POSIX_CLOSE_OUT_HPP
11 #define BOOST_PROCESS_DETAIL_POSIX_CLOSE_OUT_HPP
12
13 #include <boost/process/detail/used_handles.hpp>
14 #include <boost/process/detail/posix/handler.hpp>
15 #include <array>
16
17 namespace boost { namespace process { namespace detail { namespace posix {
18
19 template<int p1, int p2>
20 struct close_out : handler_base_ext
21 {
22 template <class Executor>
23 inline void on_exec_setup(Executor &e) const;
24
get_used_handlesboost::process::detail::posix::close_out25 std::array<int, 2> get_used_handles() {return {{p1 != -1 ? p1 : p2, p2 != -1 ? p2 : p1}};}
26 };
27
28 template<>
29 template<typename Executor>
on_exec_setup(Executor & e) const30 void close_out<1,-1>::on_exec_setup(Executor &e) const
31 {
32 if (::close(STDOUT_FILENO) == -1)
33 e.set_error(::boost::process::detail::get_last_error(), "close() failed");
34
35 }
36
37 template<>
38 template<typename Executor>
on_exec_setup(Executor & e) const39 void close_out<2,-1>::on_exec_setup(Executor &e) const
40 {
41 if (::close(STDERR_FILENO) == -1)
42 e.set_error(::boost::process::detail::get_last_error(), "close() failed");
43 }
44
45 template<>
46 template<typename Executor>
on_exec_setup(Executor & e) const47 void close_out<1,2>::on_exec_setup(Executor &e) const
48 {
49 if (::close(STDOUT_FILENO) == -1)
50 e.set_error(::boost::process::detail::get_last_error(), "close() failed");
51
52 if (::close(STDERR_FILENO) == -1)
53 e.set_error(::boost::process::detail::get_last_error(), "close() failed");
54 }
55
56 }}}}
57
58 #endif
59