/usr/include/boost/process/detail
Edit: /usr/include/boost/process/detail/used_handles.hpp (2378B)
// 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_USED_HANDLES_HPP_
#define BOOST_PROCESS_DETAIL_USED_HANDLES_HPP_
#include
#include
#include
#if defined(BOOST_POSIX_API)
#include
#include
#else
#include
#include
#endif
namespace boost { namespace process { namespace detail {
struct uses_handles
{
//If you get an error here, you must add a `get_handles` function that returns a range or a single handle value
void get_used_handles() const;
};
template
struct does_use_handle: std::is_base_of {};
template
struct does_use_handle : std::is_base_of {};
template
struct does_use_handle : std::is_base_of {};
template
class executor;
template
struct foreach_handle_invocator
{
Func & func;
foreach_handle_invocator(Func & func) : func(func) {}
template
void invoke(const Range & range) const
{
for (auto handle_ : range)
func(handle_);
}
void invoke(::boost::process::detail::api::native_handle_type handle) const {func(handle);};
template
void operator()(T & val) const {invoke(val.get_used_handles());}
};
template
void foreach_used_handle(Executor &exec, Function &&func)
{
boost::fusion::for_each(boost::fusion::filter_if>(exec.seq),
foreach_handle_invocator(func));
}
template
std::vector<::boost::process::detail::api::native_handle_type>
get_used_handles(Executor &exec)
{
std::vector<::boost::process::detail::api::native_handle_type> res;
foreach_used_handle(exec, [&](::boost::process::detail::api::native_handle_type handle){res.push_back(handle);});
return res;
}
}}}
#endif /* BOOST_PROCESS_DETAIL_USED_HANDLES_HPP_ */