| // 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/winapi/process.hpp> |
| |
| namespace boost { namespace process { namespace detail { namespace windows { |
| |
| constexpr static ::boost::winapi::DWORD_ still_active = 259; |
| |
| |
| struct child_handle; |
| |
| inline bool is_running(const child_handle &p, int & exit_code, std::error_code &ec) noexcept |
| { |
| ::boost::winapi::DWORD_ code; |
| //single value, not needed in the winapi. |
| if (!::boost::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(const child_handle &p, int & exit_code) |
| { |
| std::error_code ec; |
| bool b = is_running(p, exit_code, ec); |
| boost::process::detail::throw_error(ec, "GetExitCodeProcess() failed in is_running"); |
| return b; |
| } |
| |
| inline bool is_running(int code) |
| { |
| return code == still_active; |
| } |
| |
| inline int eval_exit_status(int in ) {return in;} |
| |
| }}}} |
| |
| #endif |