diff --git a/Lib/asyncio/windows_events.py b/Lib/asyncio/windows_events.py index c07fe3241c5..a6759b78bd8 100644 --- a/Lib/asyncio/windows_events.py +++ b/Lib/asyncio/windows_events.py @@ -469,7 +469,7 @@ class IocpProactor: else: ov.ReadFileInto(conn.fileno(), buf) except BrokenPipeError: - return self._result(b'') + return self._result(0) def finish_recv(trans, key, ov): try: diff --git a/Misc/NEWS.d/next/Library/2020-08-04-00-20-30.bpo-41467.Z8DgTL.rst b/Misc/NEWS.d/next/Library/2020-08-04-00-20-30.bpo-41467.Z8DgTL.rst new file mode 100644 index 00000000000..f12693e1176 --- /dev/null +++ b/Misc/NEWS.d/next/Library/2020-08-04-00-20-30.bpo-41467.Z8DgTL.rst @@ -0,0 +1,3 @@ +On Windows, fix asyncio ``recv_into()`` return value when the socket/pipe is +closed (:exc:`BrokenPipeError`): return ``0`` rather than an empty byte +string (``b''``).