Method _wait

Lib/subprocess.py:1648–1663

Internal implementation of wait() on Windows.

(self, timeout)

        def _wait(self, timeout):
            """Internal implementation of wait() on Windows."""
            if timeout is None:
                timeout_millis = _winapi.INFINITE
            elif timeout <= 0:
                timeout_millis = 0
            else:
                timeout_millis = int(timeout * 1000)
            if self.returncode is None:
                # API note: Returns immediately if timeout_millis == 0.
                result = _winapi.WaitForSingleObject(self._handle,
                                                     timeout_millis)
                if result == _winapi.WAIT_TIMEOUT:
                    raise TimeoutExpired(self.args, timeout)
                self.returncode = _winapi.GetExitCodeProcess(self._handle)
            return self.returncode


        def _readerthread(self, fh, buffer):