diff options
| -rw-r--r-- | Lib/selectors.py | 14 | ||||
| -rw-r--r-- | Misc/NEWS.d/next/Library/2023-07-18-23-05-12.gh-issue-106751.tVvzN_.rst | 2 |
2 files changed, 8 insertions, 8 deletions
diff --git a/Lib/selectors.py b/Lib/selectors.py index a42d156..d134059 100644 --- a/Lib/selectors.py +++ b/Lib/selectors.py @@ -547,23 +547,21 @@ if hasattr(select, 'kqueue'): # If max_ev is 0, kqueue will ignore the timeout. For consistent # behavior with the other selector classes, we prevent that here # (using max). See https://bugs.python.org/issue29255 - max_ev = max(len(self._fd_to_key), 1) + max_ev = len(self._fd_to_key) or 1 ready = [] try: kev_list = self._selector.control(None, max_ev, timeout) except InterruptedError: return ready + + fd_to_key_get = self._fd_to_key.get for kev in kev_list: fd = kev.ident flag = kev.filter - events = 0 - if flag == select.KQ_FILTER_READ: - events |= EVENT_READ - if flag == select.KQ_FILTER_WRITE: - events |= EVENT_WRITE - - key = self._fd_to_key.get(fd) + key = fd_to_key_get(fd) if key: + events = ((flag == select.KQ_FILTER_READ and EVENT_READ) + | (flag == select.KQ_FILTER_WRITE and EVENT_WRITE)) ready.append((key, events & key.events)) return ready diff --git a/Misc/NEWS.d/next/Library/2023-07-18-23-05-12.gh-issue-106751.tVvzN_.rst b/Misc/NEWS.d/next/Library/2023-07-18-23-05-12.gh-issue-106751.tVvzN_.rst new file mode 100644 index 0000000..1cb8424 --- /dev/null +++ b/Misc/NEWS.d/next/Library/2023-07-18-23-05-12.gh-issue-106751.tVvzN_.rst @@ -0,0 +1,2 @@ +Optimize :meth:`KqueueSelector.select` for many iteration case. Patch By +Dong-hee Na. |