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lms/boost/process/windows/wait_for_exit.hpp
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2014-03-09 10:58:52 +01:00

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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_WINDOWS_WAIT_FOR_EXIT_HPP
#define BOOST_PROCESS_WINDOWS_WAIT_FOR_EXIT_HPP
#include <boost/process/config.hpp>
#include <boost/system/error_code.hpp>
#include <Windows.h>
namespace boost { namespace process { namespace windows {
template <class Process>
inline DWORD wait_for_exit(const Process &p)
{
if (::WaitForSingleObject(p.process_handle(), INFINITE) == WAIT_FAILED)
BOOST_PROCESS_THROW_LAST_SYSTEM_ERROR("WaitForSingleObject() failed");
DWORD exit_code;
if (!::GetExitCodeProcess(p.process_handle(), &exit_code))
BOOST_PROCESS_THROW_LAST_SYSTEM_ERROR("GetExitCodeProcess() failed");
return exit_code;
}
template <class Process>
inline DWORD wait_for_exit(const Process &p, boost::system::error_code &ec)
{
DWORD exit_code = 1;
if (::WaitForSingleObject(p.process_handle(), INFINITE) == WAIT_FAILED)
BOOST_PROCESS_RETURN_LAST_SYSTEM_ERROR(ec);
else if (!::GetExitCodeProcess(p.process_handle(), &exit_code))
BOOST_PROCESS_RETURN_LAST_SYSTEM_ERROR(ec);
else
ec.clear();
return exit_code;
}
}}}
#endif