| // 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 |
| // Copyright (c) 2016 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_WAIT_FOR_EXIT_HPP |
| #define BOOST_PROCESS_WINDOWS_WAIT_FOR_EXIT_HPP |
| |
| #include <boost/process/detail/config.hpp> |
| #include <system_error> |
| #include <boost/winapi/synchronization.hpp> |
| #include <boost/winapi/process.hpp> |
| #include <boost/process/detail/windows/child_handle.hpp> |
| #include <chrono> |
| |
| namespace boost { namespace process { namespace detail { namespace windows { |
| |
| inline void wait(child_handle &p, int & exit_code, std::error_code &ec) noexcept |
| { |
| ::boost::winapi::DWORD_ _exit_code = 1; |
| |
| if (::boost::winapi::WaitForSingleObject(p.process_handle(), |
| ::boost::winapi::infinite) == ::boost::winapi::wait_failed) |
| ec = std::error_code( |
| ::boost::winapi::GetLastError(), |
| std::system_category()); |
| else if (!::boost::winapi::GetExitCodeProcess(p.process_handle(), &_exit_code)) |
| ec = std::error_code( |
| ::boost::winapi::GetLastError(), |
| std::system_category()); |
| else |
| ec.clear(); |
| |
| ::boost::winapi::CloseHandle(p.proc_info.hProcess); |
| p.proc_info.hProcess = ::boost::winapi::INVALID_HANDLE_VALUE_; |
| exit_code = static_cast<int>(_exit_code); |
| } |
| |
| inline void wait(child_handle &p, int & exit_code) |
| { |
| std::error_code ec; |
| wait(p, exit_code, ec); |
| boost::process::detail::throw_error(ec, "wait error"); |
| } |
| |
| template< class Clock, class Duration > |
| inline bool wait_until( |
| child_handle &p, |
| int & exit_code, |
| const std::chrono::time_point<Clock, Duration>& timeout_time, |
| std::error_code &ec) noexcept |
| { |
| std::chrono::milliseconds ms = |
| std::chrono::duration_cast<std::chrono::milliseconds>( |
| timeout_time - Clock::now()); |
| |
| ::boost::winapi::DWORD_ wait_code; |
| wait_code = ::boost::winapi::WaitForSingleObject(p.process_handle(), |
| static_cast<::boost::winapi::DWORD_>(ms.count())); |
| |
| if (wait_code == ::boost::winapi::wait_failed) |
| ec = std::error_code( |
| ::boost::winapi::GetLastError(), |
| std::system_category()); |
| else if (wait_code == ::boost::winapi::wait_timeout) |
| return false; |
| |
| ::boost::winapi::DWORD_ _exit_code; |
| if (!::boost::winapi::GetExitCodeProcess(p.process_handle(), &_exit_code)) |
| ec = std::error_code( |
| ::boost::winapi::GetLastError(), |
| std::system_category()); |
| else |
| ec.clear(); |
| |
| exit_code = static_cast<int>(_exit_code); |
| ::boost::winapi::CloseHandle(p.proc_info.hProcess); |
| p.proc_info.hProcess = ::boost::winapi::INVALID_HANDLE_VALUE_; |
| return true; |
| } |
| |
| template< class Clock, class Duration > |
| inline bool wait_until( |
| child_handle &p, |
| int & exit_code, |
| const std::chrono::time_point<Clock, Duration>& timeout_time) |
| { |
| std::error_code ec; |
| bool b = wait_until(p, exit_code, timeout_time, ec); |
| boost::process::detail::throw_error(ec, "wait_until error"); |
| return b; |
| } |
| |
| template< class Rep, class Period > |
| inline bool wait_for( |
| child_handle &p, |
| int & exit_code, |
| const std::chrono::duration<Rep, Period>& rel_time, |
| std::error_code &ec) noexcept |
| { |
| return wait_until(p, exit_code, std::chrono::steady_clock::now() + rel_time, ec); |
| } |
| |
| template< class Rep, class Period > |
| inline bool wait_for( |
| child_handle &p, |
| int & exit_code, |
| const std::chrono::duration<Rep, Period>& rel_time) |
| { |
| std::error_code ec; |
| bool b = wait_for(p, exit_code, rel_time, ec); |
| boost::process::detail::throw_error(ec, "wait_for error"); |
| return b; |
| } |
| |
| }}}} |
| |
| #endif |