diff options
| -rw-r--r-- | Lib/multiprocessing/connection.py | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/Lib/multiprocessing/connection.py b/Lib/multiprocessing/connection.py index 59fb664..27fda9f 100644 --- a/Lib/multiprocessing/connection.py +++ b/Lib/multiprocessing/connection.py @@ -878,13 +878,21 @@ else: import selectors + # poll/select have the advantage of not requiring any extra file + # descriptor, contrarily to epoll/kqueue (also, they require a single + # syscall). + if hasattr(selectors, 'PollSelector'): + _WaitSelector = selectors.PollSelector + else: + _WaitSelector = selectors.SelectSelector + def wait(object_list, timeout=None): ''' Wait till an object in object_list is ready/readable. Returns list of those objects in object_list which are ready/readable. ''' - with selectors.DefaultSelector() as selector: + with _WaitSelector() as selector: for obj in object_list: selector.register(obj, selectors.EVENT_READ) |