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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_POSIX_PIPE_IN_HPP
#define BOOST_PROCESS_POSIX_PIPE_IN_HPP
#include <boost/process/pipe.hpp>
#include <boost/process/detail/posix/handler.hpp>
#include <unistd.h>
namespace boost { namespace process { namespace detail { namespace posix {
struct pipe_in : handler_base_ext
{
int source;
int sink; //opposite end
pipe_in(int sink, int source) : source(source), sink(sink) {}
template<typename T>
pipe_in(T & p) : source(p.native_source()), sink(p.native_sink())
{
p.assign_source(-1);
}
template<typename Executor>
void on_error(Executor &, const std::error_code &) const
{
::close(source);
}
template<typename Executor>
void on_success(Executor &) const
{
::close(source);
}
template <class Executor>
void on_exec_setup(Executor &e) const
{
if (::dup2(source, STDIN_FILENO) == -1)
e.set_error(::boost::process::detail::get_last_error(), "dup2() failed");
::close(source);
::close(sink);
}
};
class async_pipe;
struct async_pipe_in : public pipe_in
{
async_pipe &pipe;
template<typename AsyncPipe>
async_pipe_in(AsyncPipe & p) : pipe_in(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).source().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
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