inline bool wait_for(
child_handle &p,
int & exit_code,
const std::chrono::duration<Rep, Period>& rel_time)
{
std::chrono::milliseconds ms = std::chrono::duration_cast<std::chrono::milliseconds>(rel_time);
::boost::detail::winapi::DWORD_ wait_code;
wait_code = ::boost::detail::winapi::WaitForSingleObject(p.process_handle(),
static_cast<::boost::detail::winapi::DWORD_>(ms.count()));
if (wait_code == ::boost::detail::winapi::wait_failed)
throw_last_error("WaitForSingleObject() failed");
else if (wait_code == ::boost::detail::winapi::wait_timeout)
return false; //
::boost::detail::winapi::DWORD_ _exit_code;
if (!::boost::detail::winapi::GetExitCodeProcess(p.process_handle(), &_exit_code))
throw_last_error("GetExitCodeProcess() failed");
exit_code = static_cast<int>(_exit_code);
::boost::detail::winapi::CloseHandle(p.proc_info.hProcess);
p.proc_info.hProcess = ::boost::detail::winapi::INVALID_HANDLE_VALUE_;
return true;
}
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 - std::chrono::system_clock::now());
::boost::detail::winapi::DWORD_ _exit_code = 1;
if (::boost::detail::winapi::WaitForSingleObject(p.process_handle(),
static_cast<::boost::detail::winapi::DWORD_>(ms.count()))
== ::boost::detail::winapi::wait_failed)
ec = std::error_code(
::boost::detail::winapi::GetLastError(),
std::system_category());
else if (!::boost::detail::winapi::GetExitCodeProcess(p.process_handle(), &_exit_code))
ec = std::error_code(
::boost::detail::winapi::GetLastError(),
std::system_category());
else
ec.clear();
exit_code = static_cast<int>(exit_code);
::boost::detail::winapi::CloseHandle(p.proc_info.hProcess);
p.proc_info.hProcess = ::boost::detail::winapi::INVALID_HANDLE_VALUE_;
return true;
;
}
inline void wait(child_handle &p, int & exit_code)
{
if (::boost::detail::winapi::WaitForSingleObject(p.process_handle(),
::boost::detail::winapi::infinite) == ::boost::detail::winapi::wait_failed)
throw_last_error("WaitForSingleObject() failed");
::boost::detail::winapi::DWORD_ _exit_code;
if (!::boost::detail::winapi::GetExitCodeProcess(p.process_handle(), &_exit_code))
throw_last_error("GetExitCodeProcess() failed");
::boost::detail::winapi::CloseHandle(p.proc_info.hProcess);
p.proc_info.hProcess = ::boost::detail::winapi::INVALID_HANDLE_VALUE_;
exit_code = static_cast<int>(_exit_code);
}
inline void terminate(child_handle &p)
{
if (!::boost::detail::winapi::TerminateProcess(p.process_handle(), EXIT_FAILURE))
boost::process::detail::throw_last_error("TerminateProcess() failed");
::boost::detail::winapi::CloseHandle(p.proc_info.hProcess);
p.proc_info.hProcess = ::boost::detail::winapi::INVALID_HANDLE_VALUE_;
}
inline void wait(child_handle &p, int & exit_code, std::error_code &ec) noexcept
{
::boost::detail::winapi::DWORD_ _exit_code = 1;
if (::boost::detail::winapi::WaitForSingleObject(p.process_handle(),
::boost::detail::winapi::infinite) == ::boost::detail::winapi::wait_failed)
ec = std::error_code(
::boost::detail::winapi::GetLastError(),
std::system_category());
else if (!::boost::detail::winapi::GetExitCodeProcess(p.process_handle(), &_exit_code))
ec = std::error_code(
::boost::detail::winapi::GetLastError(),
std::system_category());
else
ec.clear();
::boost::detail::winapi::CloseHandle(p.proc_info.hProcess);
p.proc_info.hProcess = ::boost::detail::winapi::INVALID_HANDLE_VALUE_;
exit_code = static_cast<int>(_exit_code);
}
inline void terminate(child_handle &p, std::error_code &ec) noexcept
{
if (!::boost::detail::winapi::TerminateProcess(p.process_handle(), EXIT_FAILURE))
ec = boost::process::detail::get_last_error();
else
{
ec.clear();
::boost::detail::winapi::CloseHandle(p.proc_info.hProcess);
p.proc_info.hProcess = ::boost::detail::winapi::INVALID_HANDLE_VALUE_;
}
}
inline bool wait_for(
child_handle &p,
int & exit_code,
const std::chrono::duration<Rep, Period>& rel_time,
std::error_code &ec) noexcept
{
std::chrono::milliseconds ms = std::chrono::duration_cast<std::chrono::milliseconds>(rel_time);
::boost::detail::winapi::DWORD_ wait_code;
wait_code = ::boost::detail::winapi::WaitForSingleObject(p.process_handle(),
static_cast<::boost::detail::winapi::DWORD_>(ms.count()));
if (wait_code == ::boost::detail::winapi::wait_failed)
ec = std::error_code(
::boost::detail::winapi::GetLastError(),
std::system_category());
else if (wait_code == ::boost::detail::winapi::wait_timeout)
return false; //
::boost::detail::winapi::DWORD_ _exit_code = 1;
if (!::boost::detail::winapi::GetExitCodeProcess(p.process_handle(), &_exit_code))
{
ec = std::error_code(
::boost::detail::winapi::GetLastError(),
std::system_category());
return false;
}
else
ec.clear();
exit_code = static_cast<int>(_exit_code);
::boost::detail::winapi::CloseHandle(p.proc_info.hProcess);
p.proc_info.hProcess = ::boost::detail::winapi::INVALID_HANDLE_VALUE_;
return true;
;
}
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;
}
}
