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[lwip-devel] [bug #49848] Non-blocking socket emit a sock error while re
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From: |
David van Moolenbroek |
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Subject: |
[lwip-devel] [bug #49848] Non-blocking socket emit a sock error while read return EWOULDBLOCK |
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Date: |
Thu, 15 Dec 2016 15:43:30 +0000 (UTC) |
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User-agent: |
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:50.0) Gecko/20100101 Firefox/50.0 |
Follow-up Comment #4, bug #49848 (project lwip):
FWIW: SO_ERROR returns a "pending error" which is a precisely defined term;
see sections 2.10.10, 2.10.15, and 2.10.16 of
http://pubs.opengroup.org/onlinepubs/9699919799/functions/V2_chap02.html . In
effect, SO_ERROR should only ever return an error that has not been reported
as part of a socket call. As such it can never legitimately return
EWOULDBLOCK.
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