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gh-154366: Fix test_asyncio.test_sendfile timing out on DragonFly BSD #154367

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Merged
serhiy-storchaka merged 1 commit into from
Jul 21, 2026
+6 −1
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gh-154366: Fix test_asyncio.test_sendfile timing out on DragonFly BSD #154367

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7 changes: 6 additions & 1 deletion Lib/test/test_asyncio/test_sendfile.py
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Original file line number Diff line number Diff line change
Expand Up @@ -98,7 +98,12 @@ class SendfileBase:
# 64 KiB page configuration.
DATA = b"x" * (1024 * 17 * 64 + 1)
# Reduce socket buffer size to test on relative small data sets.
BUF_SIZE = 4 * 1024 # 4 KiB
if sys.platform.startswith('dragonfly'):
# A smaller buffer makes every window update wait 100 ms for the
# delayed ACK timer.
BUF_SIZE = 32 * 1024 # 32 KiB
else:
BUF_SIZE = 4 * 1024 # 4 KiB

def create_event_loop(self):
raise NotImplementedError
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