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Use poll() instead of select(), unless Windows. #2865

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Merged
merged 2 commits into from
Apr 21, 2023
Merged

Use poll() instead of select(), unless Windows. #2865

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69742c4
Use poll() instead of select(), unless Windows.
I-question-this Jul 22, 2021
c049906
Merge branch 'main' into master
I-question-this Apr 21, 2023
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9 changes: 8 additions & 1 deletion docker/utils/socket.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@
import select
import socket as pysocket
import struct
import sys

try:
from ..transport import NpipeSocket
Expand Down Expand Up @@ -31,7 +32,13 @@ def read(socket, n=4096):
recoverable_errors = (errno.EINTR, errno.EDEADLK, errno.EWOULDBLOCK)

if not isinstance(socket, NpipeSocket):
select.select([socket], [], [])
if sys.platform == 'win32':
# Limited to 1024
select.select([socket], [], [])
else:
poll = select.poll()
poll.register(socket)
poll.poll()

try:
if hasattr(socket, 'recv'):
Expand Down