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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 | // Copyright (c) 2016 Klemens D. Morgenstern | |
7 | // | |
8 | // Distributed under the Boost Software License, Version 1.0. (See accompanying | |
9 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
10 | ||
11 | #ifndef BOOST_PROCESS_POSIX_PIPE_OUT_HPP | |
12 | #define BOOST_PROCESS_POSIX_PIPE_OUT_HPP | |
13 | ||
14 | #include <boost/process/detail/posix/handler.hpp> | |
15 | #include <boost/process/detail/posix/file_descriptor.hpp> | |
16 | ||
17 | #include <unistd.h> | |
18 | namespace boost { namespace process { namespace detail { namespace posix { | |
19 | ||
20 | template<int p1, int p2> | |
21 | struct null_out : handler_base_ext | |
22 | { | |
23 | file_descriptor sink{"/dev/null", file_descriptor::write}; | |
24 | ||
25 | template <typename Executor> | |
26 | void on_exec_setup(Executor &e) const; | |
27 | }; | |
28 | ||
29 | template<> | |
30 | template<typename Executor> | |
31 | void null_out<1,-1>::on_exec_setup(Executor &e) const | |
32 | { | |
33 | if (::dup2(sink.handle(), STDOUT_FILENO) == -1) | |
34 | e.set_error(::boost::process::detail::get_last_error(), "dup2() failed"); | |
35 | } | |
36 | ||
37 | template<> | |
38 | template<typename Executor> | |
39 | void null_out<2,-1>::on_exec_setup(Executor &e) const | |
40 | { | |
41 | if (::dup2(sink.handle(), STDERR_FILENO) == -1) | |
42 | e.set_error(::boost::process::detail::get_last_error(), "dup2() failed"); | |
43 | } | |
44 | ||
45 | template<> | |
46 | template<typename Executor> | |
47 | void null_out<1,2>::on_exec_setup(Executor &e) const | |
48 | { | |
49 | if (::dup2(sink.handle(), STDOUT_FILENO) == -1) | |
50 | e.set_error(::boost::process::detail::get_last_error(), "dup2() failed"); | |
51 | ||
52 | if (::dup2(sink.handle(), STDERR_FILENO) == -1) | |
53 | e.set_error(::boost::process::detail::get_last_error(), "dup2() failed"); | |
54 | } | |
55 | ||
56 | }}}} | |
57 | ||
58 | #endif |