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gh-127529: Correct asyncio's accept_connection behaviour for handling ConnectionAbortedError (#127532)

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Co-authored-by: Kumar Aditya <kumaraditya@python.org>
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jb2170 2025-01-03 10:32:36 +00:00 • committed by GitHub
parent bb2dfadb92
commit 830e10651b
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3 changed files with 36 additions and 3 deletions
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10
Lib/asyncio/selector_events.py
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@ -180,9 +180,13 @@ class BaseSelectorEventLoop(base_events.BaseEventLoop):
logger.debug("%r got a new connection from %r: %r",
server, addr, conn)
conn.setblocking(False)
except (BlockingIOError, InterruptedError, ConnectionAbortedError):
# Early exit because the socket accept buffer is empty.
return None
except ConnectionAbortedError:
# Discard connections that were aborted before accept().
continue
except (BlockingIOError, InterruptedError):
# Early exit because of a signal or
# the socket accept buffer is empty.
return
except OSError as exc:
# There's nowhere to send the error, so just log it.
if exc.errno in (errno.EMFILE, errno.ENFILE,