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[3.11] gh-109370: Fix unexpected traceback output in test_concurrent_futures (GH-109780) (GH-109882)

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Follow-up of gh-107219.

* Only close the connection writer on Windows.
* Also use existing constant _winapi.ERROR_OPERATION_ABORTED instead of
  WSA_OPERATION_ABORTED.
(cherry picked from commit 0b4e090422)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
This commit is contained in:
Miss Islington (bot) 2023-09-26 01:21:09 -07:00 • committed by GitHub
parent 97f7e9d5d6
commit 8fef834f05
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2 changed files with 3 additions and 3 deletions
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Lib/multiprocessing/connection.py
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@ -42,7 +42,6 @@ except ImportError:
BUFSIZE = 8192
# A very generous timeout when it comes to local connections...
CONNECTION_TIMEOUT = 20.
WSA_OPERATION_ABORTED = 995
_mmap_counter = itertools.count()
@ -300,7 +299,7 @@ if _winapi:
finally:
self._send_ov = None
nwritten, err = ov.GetOverlappedResult(True)
if err == WSA_OPERATION_ABORTED:
if err == _winapi.ERROR_OPERATION_ABORTED:
# close() was called by another thread while
# WaitForMultipleObjects() was waiting for the overlapped
# operation.