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124 lines
4.0 KiB
C++
124 lines
4.0 KiB
C++
// Copyright (c) 2006, 2007 Julio M. Merino Vidal
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// Copyright (c) 2008 Ilya Sokolov, Boris Schaeling
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// Copyright (c) 2009 Boris Schaeling
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// Copyright (c) 2010 Felipe Tanus, Boris Schaeling
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// Copyright (c) 2011, 2012 Jeff Flinn, Boris Schaeling
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// Copyright (c) 2016 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_WAIT_FOR_EXIT_HPP
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#define BOOST_PROCESS_WINDOWS_WAIT_FOR_EXIT_HPP
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#include <boost/process/detail/config.hpp>
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#include <system_error>
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#include <boost/winapi/synchronization.hpp>
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#include <boost/winapi/process.hpp>
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#include <boost/process/detail/windows/child_handle.hpp>
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#include <chrono>
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namespace boost { namespace process { namespace detail { namespace windows {
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inline void wait(child_handle &p, int & exit_code, std::error_code &ec) noexcept
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{
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::boost::winapi::DWORD_ _exit_code = 1;
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if (::boost::winapi::WaitForSingleObject(p.process_handle(),
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::boost::winapi::infinite) == ::boost::winapi::wait_failed)
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ec = std::error_code(
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::boost::winapi::GetLastError(),
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std::system_category());
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else if (!::boost::winapi::GetExitCodeProcess(p.process_handle(), &_exit_code))
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ec = std::error_code(
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::boost::winapi::GetLastError(),
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std::system_category());
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else
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ec.clear();
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::boost::winapi::CloseHandle(p.proc_info.hProcess);
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p.proc_info.hProcess = ::boost::winapi::INVALID_HANDLE_VALUE_;
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exit_code = static_cast<int>(_exit_code);
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}
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inline void wait(child_handle &p, int & exit_code)
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{
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std::error_code ec;
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wait(p, exit_code, ec);
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boost::process::detail::throw_error(ec, "wait error");
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}
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template< class Clock, class Duration >
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inline bool wait_until(
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child_handle &p,
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int & exit_code,
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const std::chrono::time_point<Clock, Duration>& timeout_time,
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std::error_code &ec) noexcept
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{
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std::chrono::milliseconds ms =
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std::chrono::duration_cast<std::chrono::milliseconds>(
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timeout_time - Clock::now());
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::boost::winapi::DWORD_ wait_code;
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wait_code = ::boost::winapi::WaitForSingleObject(p.process_handle(),
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static_cast<::boost::winapi::DWORD_>(ms.count()));
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if (wait_code == ::boost::winapi::wait_failed)
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ec = std::error_code(
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::boost::winapi::GetLastError(),
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std::system_category());
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else if (wait_code == ::boost::winapi::wait_timeout)
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return false;
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::boost::winapi::DWORD_ _exit_code;
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if (!::boost::winapi::GetExitCodeProcess(p.process_handle(), &_exit_code))
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ec = std::error_code(
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::boost::winapi::GetLastError(),
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std::system_category());
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else
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ec.clear();
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exit_code = static_cast<int>(_exit_code);
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::boost::winapi::CloseHandle(p.proc_info.hProcess);
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p.proc_info.hProcess = ::boost::winapi::INVALID_HANDLE_VALUE_;
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return true;
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}
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template< class Clock, class Duration >
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inline bool wait_until(
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child_handle &p,
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int & exit_code,
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const std::chrono::time_point<Clock, Duration>& timeout_time)
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{
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std::error_code ec;
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bool b = wait_until(p, exit_code, timeout_time, ec);
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boost::process::detail::throw_error(ec, "wait_until error");
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return b;
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}
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template< class Rep, class Period >
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inline bool wait_for(
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child_handle &p,
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int & exit_code,
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const std::chrono::duration<Rep, Period>& rel_time,
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std::error_code &ec) noexcept
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{
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return wait_until(p, exit_code, std::chrono::steady_clock::now() + rel_time, ec);
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}
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template< class Rep, class Period >
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inline bool wait_for(
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child_handle &p,
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int & exit_code,
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const std::chrono::duration<Rep, Period>& rel_time)
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{
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std::error_code ec;
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bool b = wait_for(p, exit_code, rel_time, ec);
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boost::process::detail::throw_error(ec, "wait_for error");
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return b;
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}
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}}}}
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#endif
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