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+// 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
+// Copyright (c) 2016 Klemens D. Morgenstern
+//
+// 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_DETAIL_POSIX_PIPE_OUT_HPP
+#define BOOST_PROCESS_DETAIL_POSIX_PIPE_OUT_HPP
+
+#include <boost/process/pipe.hpp>
+#include <boost/process/detail/posix/handler.hpp>
+#include <unistd.h>
+
+namespace boost { namespace process { namespace detail { namespace posix {
+
+template<int p1, int p2>
+struct pipe_out : handler_base_ext
+{
+ int sink;
+ int source; //opposite end
+
+ pipe_out(int sink, int source) : sink(sink), source(source) {}
+
+ template<typename T>
+ pipe_out(T & p) : sink(p.native_sink()), source(p.native_source())
+ {
+ p.assign_sink(-1);
+ }
+
+ template<typename Executor>
+ void on_error(Executor &, const std::error_code &) const
+ {
+ ::close(sink);
+ }
+
+ template<typename Executor>
+ void on_success(Executor &) const
+ {
+ ::close(sink);
+ }
+
+ template <typename Executor>
+ void on_exec_setup(Executor &e) const;
+};
+
+template<>
+template<typename Executor>
+void pipe_out<1,-1>::on_exec_setup(Executor &e) const
+{
+ if (::dup2(sink, STDOUT_FILENO) == -1)
+ e.set_error(::boost::process::detail::get_last_error(), "dup3() failed");
+ ::close(sink);
+ ::close(source);
+}
+
+template<>
+template<typename Executor>
+void pipe_out<2,-1>::on_exec_setup(Executor &e) const
+{
+ if (::dup2(sink, STDERR_FILENO) == -1)
+ e.set_error(::boost::process::detail::get_last_error(), "dup2() failed");
+ ::close(sink);
+ ::close(source);
+}
+
+template<>
+template<typename Executor>
+void pipe_out<1,2>::on_exec_setup(Executor &e) const
+{
+ if (::dup2(sink, STDOUT_FILENO) == -1)
+ e.set_error(::boost::process::detail::get_last_error(), "dup2() failed");
+ if (::dup2(sink, STDERR_FILENO) == -1)
+ e.set_error(::boost::process::detail::get_last_error(), "dup2() failed");
+ ::close(sink);
+ ::close(source);
+}
+
+class async_pipe;
+
+template<int p1, int p2>
+struct async_pipe_out : public pipe_out<p1, p2>
+{
+ async_pipe &pipe;
+ template<typename AsyncPipe>
+ async_pipe_out(AsyncPipe & p) : pipe_out<p1, p2>(p.native_sink(), p.native_source()), pipe(p)
+ {
+ }
+
+ template<typename Pipe, typename Executor>
+ static void close(Pipe & pipe, Executor &)
+ {
+ boost::system::error_code ec;
+ std::move(pipe).sink().close(ec);
+ }
+
+ template<typename Executor>
+ void on_error(Executor & exec, const std::error_code &)
+ {
+ close(pipe, exec);
+ }
+
+ template<typename Executor>
+ void on_success(Executor &exec)
+ {
+ close(pipe, exec);
+ }
+};
+
+
+}}}}
+
+#endif