close_fds.hpp

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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)
 
#pragma once
 
#include <unistd.h>
 
#include <boost/process/posix/initializers/initializer_base.hpp>
#include <boost/range/algorithm/for_each.hpp>
 
namespace boost::process::posix::initializers
{
 
    template <class Range>
    class close_fds_ : public initializer_base
    {
    public:
        explicit close_fds_(const Range& fds) : fds_(fds)
        {
        }
 
        template <class PosixExecutor>
        void
        on_exec_setup(PosixExecutor&) const
        {
            boost::for_each(fds_, ::close);
        }
 
    private:
        Range fds_;
    };
 
    template <class Range>
    close_fds_<Range>
    close_fds(const Range& fds)
    {
        return close_fds_<Range>(fds);
    }
 
} // namespace boost::process::posix::initializers