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// Copyright (c) 2106 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_WINDOWS_IS_RUNNING_HPP
#define BOOST_PROCESS_WINDOWS_IS_RUNNING_HPP
#include <boost/process/detail/config.hpp>
#include <system_error>
#include <cstdlib>
#include <boost/detail/winapi/process.hpp>
namespace boost { namespace process { namespace detail { namespace windows {
constexpr static ::boost::detail::winapi::DWORD_ still_active = 259;
struct child_handle;
inline bool is_running(const child_handle &p, int & exit_code)
{
::boost::detail::winapi::DWORD_ code;
//single value, not needed in the winapi.
if (!::boost::detail::winapi::GetExitCodeProcess(p.process_handle(), &code))
::boost::process::detail::throw_last_error("GetExitCodeProcess() failed");
if (code == still_active)
return true;
else
{
exit_code = code;
return false;
}
}
inline bool is_running(const child_handle &p, int & exit_code, std::error_code &ec) noexcept
{
::boost::detail::winapi::DWORD_ code;
//single value, not needed in the winapi.
if (!::boost::detail::winapi::GetExitCodeProcess(p.process_handle(), &code))
ec = ::boost::process::detail::get_last_error();
else
ec.clear();
if (code == still_active)
return true;
else
{
exit_code = code;
return false;
}
}
inline bool is_running(int code)
{
return code == still_active;
}
inline int eval_exit_status(int in ) {return in;}
}}}}
#endif
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