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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
+//
+// 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_ASYNC_IN_HPP
+#define BOOST_PROCESS_DETAIL_POSIX_ASYNC_IN_HPP
+
+#include <boost/process/detail/handler_base.hpp>
+#include <boost/process/detail/posix/async_handler.hpp>
+#include <boost/asio/write.hpp>
+#include <boost/process/async_pipe.hpp>
+#include <memory>
+#include <future>
+
+namespace boost { namespace process { namespace detail { namespace posix {
+
+
+template<typename Buffer>
+struct async_in_buffer : ::boost::process::detail::posix::handler_base_ext,
+ ::boost::process::detail::posix::require_io_service
+{
+ Buffer & buf;
+
+ std::shared_ptr<std::promise<void>> promise;
+ async_in_buffer operator>(std::future<void> & fut)
+ {
+ promise = std::make_shared<std::promise<void>>();
+ fut = promise->get_future(); return std::move(*this);
+ }
+
+ std::shared_ptr<boost::process::async_pipe> pipe;
+
+ async_in_buffer(Buffer & buf) : buf(buf)
+ {
+ }
+ template <typename Executor>
+ inline void on_success(Executor &exec)
+ {
+ auto pipe = this->pipe;
+ if (this->promise)
+ {
+ auto promise = this->promise;
+
+ boost::asio::async_write(*pipe, buf,
+ [pipe, promise](const boost::system::error_code & ec, std::size_t)
+ {
+ if (ec && (ec.value() != EBADF) && (ec.value() != EPERM) && (ec.value() != ENOENT))
+ {
+ std::error_code e(ec.value(), std::system_category());
+ promise->set_exception(std::make_exception_ptr(process_error(e)));
+ }
+ else
+ promise->set_value();
+ });
+ }
+ else
+ boost::asio::async_write(*pipe, buf,
+ [pipe](const boost::system::error_code&ec, std::size_t size){});
+
+ std::move(*pipe).source().close();
+
+ this->pipe = nullptr;
+ }
+
+ template<typename Executor>
+ void on_error(Executor &, const std::error_code &) const
+ {
+ std::move(*pipe).source().close();
+ }
+
+ template<typename Executor>
+ void on_setup(Executor & exec)
+ {
+ pipe = std::make_shared<boost::process::async_pipe>(get_io_service(exec.seq));
+ }
+
+ template <typename Executor>
+ void on_exec_setup(Executor &exec)
+ {
+ if (::dup2(pipe->native_source(), STDIN_FILENO) == -1)
+ exec.set_error(::boost::process::detail::get_last_error(), "dup2() failed");
+
+ ::close(pipe->native_source());
+ }
+};
+
+
+}}}}
+
+#endif