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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_FILE_IN_HPP
#define BOOST_PROCESS_DETAIL_POSIX_FILE_IN_HPP
#include <boost/process/pipe.hpp>
#include <boost/process/detail/posix/handler.hpp>
#include <boost/process/detail/posix/file_descriptor.hpp>
#include <cstdio>
#include <unistd.h>
namespace boost { namespace process { namespace detail { namespace posix {
struct file_in : handler_base_ext
{
file_descriptor file;
int handle = file.handle();
template<typename T>
file_in(T&& t) : file(std::forward<T>(t)) {}
file_in(FILE * f) : handle(fileno(f)) {}
template <class WindowsExecutor>
void on_exec_setup(WindowsExecutor &e) const
{
if (::dup2(handle, STDIN_FILENO) == -1)
e.set_error(::boost::process::detail::get_last_error(), "dup2() failed");
}
};
}}}}
#endif
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