def _handle_timeout(self):
        """Called by IOLoop when the requested timeout has passed."""
        with stack_context.NullContext():
            self._timeout = None
            while True:
                try:
                    ret, num_handles = self._socket_action(
                        pycurl.SOCKET_TIMEOUT, 0)
                except pycurl.error as e:
                    ret = e.args[0]
                if ret != pycurl.E_CALL_MULTI_PERFORM:
                    break
            self._finish_pending_requests()

        # In theory, we shouldn't have to do this because curl will
        # call _set_timeout whenever the timeout changes.  However,
        # sometimes after _handle_timeout we will need to reschedule
        # immediately even though nothing has changed from curl's
        # perspective.  This is because when socket_action is
        # called with SOCKET_TIMEOUT, libcurl decides internally which
        # timeouts need to be processed by using a monotonic clock
        # (where available) while tornado uses python's time.time()
        # to decide when timeouts have occurred.  When those clocks
        # disagree on elapsed time (as they will whenever there is an
        # NTP adjustment), tornado might call _handle_timeout before
        # libcurl is ready.  After each timeout, resync the scheduled
        # timeout with libcurl's current state.
        new_timeout = self._multi.timeout()
        if 0 >= new_timeout:
            self._set_timeout(new_timeout)
dataset/ETHPy150Open D-L/SimpleBookMarks/src/tornado/curl_httpclient.py/CurlAsyncHTTPClient._handle_timeout/swapped operands of `>=`