child.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 <boost/move/move.hpp>
#include <Windows.h>
 
namespace boost::process::windows
{
 
    class child
    {
    public:
        PROCESS_INFORMATION proc_info;
 
        explicit child(const PROCESS_INFORMATION& pi) : proc_info(pi) {}
 
        ~child()
        {
            ::CloseHandle(proc_info.hProcess);
            ::CloseHandle(proc_info.hThread);
        }
 
        child(BOOST_RV_REF(child) c) : proc_info(c.proc_info)
        {
            c.proc_info.hProcess = INVALID_HANDLE_VALUE;
            c.proc_info.hThread = INVALID_HANDLE_VALUE;
        }
 
        child& operator=(BOOST_RV_REF(child) c)
        {
            ::CloseHandle(proc_info.hProcess);
            ::CloseHandle(proc_info.hThread);
            proc_info = c.proc_info;
            c.proc_info.hProcess = INVALID_HANDLE_VALUE;
            c.proc_info.hThread = INVALID_HANDLE_VALUE;
            return *this;
        }
 
        HANDLE process_handle() const
        {
            return proc_info.hProcess;
        }
 
    private:
        BOOST_MOVABLE_BUT_NOT_COPYABLE(child);
    };
 
}