57 lines
1.4 KiB
C++
57 lines
1.4 KiB
C++
// Copyright (c) 2106 Klemens D. Morgenstern
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_PROCESS_WINDOWS_IS_RUNNING_HPP
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#define BOOST_PROCESS_WINDOWS_IS_RUNNING_HPP
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#include <boost/process/detail/config.hpp>
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#include <system_error>
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#include <cstdlib>
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#include <boost/winapi/process.hpp>
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namespace boost { namespace process { namespace detail { namespace windows {
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constexpr static ::boost::winapi::DWORD_ still_active = 259;
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struct child_handle;
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inline bool is_running(const child_handle &p, int & exit_code, std::error_code &ec) noexcept
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{
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::boost::winapi::DWORD_ code;
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//single value, not needed in the winapi.
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if (!::boost::winapi::GetExitCodeProcess(p.process_handle(), &code))
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ec = ::boost::process::detail::get_last_error();
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else
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ec.clear();
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if (code == still_active)
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return true;
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else
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{
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exit_code = code;
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return false;
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}
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}
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inline bool is_running(const child_handle &p, int & exit_code)
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{
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std::error_code ec;
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bool b = is_running(p, exit_code, ec);
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boost::process::detail::throw_error(ec, "GetExitCodeProcess() failed in is_running");
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return b;
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}
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inline bool is_running(int code)
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{
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return code == still_active;
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}
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inline int eval_exit_status(int in ) {return in;}
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}}}}
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#endif
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