Message 321877 - Python tracker

Message321877

Author	vstinner
Recipients	njs, pitrou, vstinner, yselivanov
Date	2018-07-18.10:38:34
SpamBayes Score	-1.0
Marked as misclassified	Yes
Message-id	<1531910314.53.0.56676864532.issue34130@psf.upfronthosting.co.za>
In-reply-to

Content
Using "write.setsockopt(socket.SOL_SOCKET, socket.SO_SNDBUF, 0)", I ran a stress test on test_socket() in 3 different terminals and I failed to reproduce the bug, whereas the same test (in 3 terminals) usually reproduces the bug in less than 30 seconds. Using "write.setsockopt(socket.SOL_SOCKET, socket.SO_SNDBUF, 1)", I still reproduce the bug. It seems like Windows behaves differently with SO_SNDBUF=0 as if the socket has really no kernel buffer and so respects user preference for SO_SNDBUF=0 ;-)

Content

Using "write.setsockopt(socket.SOL_SOCKET, socket.SO_SNDBUF, 0)", I ran a stress test on test_socket() in 3 different terminals and I failed to reproduce the bug, whereas the same test (in 3 terminals) usually reproduces the bug in less than 30 seconds.

Using "write.setsockopt(socket.SOL_SOCKET, socket.SO_SNDBUF, 1)", I still reproduce the bug.

It seems like Windows behaves differently with SO_SNDBUF=0 as if the socket has really no kernel buffer and so respects user preference for SO_SNDBUF=0 ;-)

History
Date	User	Action	Args
2018-07-18 10:38:34	vstinner	set	recipients: + vstinner, pitrou, njs, yselivanov
2018-07-18 10:38:34	vstinner	set	messageid: <1531910314.53.0.56676864532.issue34130@psf.upfronthosting.co.za>
2018-07-18 10:38:34	vstinner	link	issue34130 messages
2018-07-18 10:38:34	vstinner	create