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gh-65920: Implement socket.sendfile with TransmitFile on Windows #112337

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gh-65920: Implement socket.sendfile with TransmitFile on Windows #112337

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490df91
add socket._sendfile_use_transmitfile
aisk Nov 23, 2023
f94935d
add Overlapped.getresultex to implement timeout in sendfile
aisk Nov 23, 2023
87c88fa
using transmitfile for sendfile on windows
aisk Nov 23, 2023
3f7259f
fix tests
aisk Nov 23, 2023
619ef22
skip tests on non windows platforms
aisk Nov 23, 2023
19dde50
fix generated file
aisk Nov 23, 2023
3dd3bc1
Merge branch 'main' into windows-socket-sendfile
aisk Nov 23, 2023
a4ce9df
Merge branch 'main' into windows-socket-sendfile
erlend-aasland Jan 6, 2024
77deb6e
Update Misc/NEWS.d/next/Windows/2023-11-23-22-25-16.gh-issue-65920.6w…
aisk Jan 7, 2024
47eb386
Update Lib/socket.py
aisk Jan 7, 2024
8bd91bb
Merge branch 'main' into windows-socket-sendfile
aisk Apr 24, 2024
b153f22
Merge remote-tracking branch 'origin/main' into windows-socket-sendfile
aisk Dec 2, 2025
048f6a1
Call TransmitFile in chunk
aisk Mar 1, 2026
d6ed576
Merge remote-tracking branch 'upstream/main' into windows-socket-send…
aisk Mar 1, 2026
6edf90f
Fix news entry
aisk Mar 1, 2026
f2de502
Fallback if _overlapped is not usage
aisk Mar 1, 2026
deee263
Update generated files
aisk Mar 1, 2026
1a92bfc
Merge remote-tracking branch 'upstream/main' into windows-socket-send…
aisk Jun 26, 2026
63d384b
Fix file position on error and fallback in socket.sendfile
aisk Jun 27, 2026
76e9bc8
Update sendfile docs and add getresultex docstring
aisk Jun 27, 2026
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Update Lib/socket.py
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@aisk
aisk authored Jan 7, 2024
commit 47eb386d7d7bb688eeecb99e4507a714b496a976
2 changes: 1 addition & 1 deletion Lib/socket.py
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Original file line number Diff line number Diff line change
Expand Up @@ -458,7 +458,7 @@ def _sendfile_use_send(self, file, offset=0, count=None):
if total_sent > 0 and hasattr(file, 'seek'):
file.seek(offset + total_sent)

if _overlapped:
if _overlapped and msvcrt:
def _sendfile_use_transmitfile(self, file, offset=0, count=None):
self._check_sendfile_params(file, offset, count)
timeout = self.gettimeout()
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