K 10
svn:author
V 6
tuexen
K 8
svn:date
V 27
2020-11-07T21:17:49.343007Z
K 7
svn:log
V 441
The ioctl() calls using FIONREAD, FIONWRITE, FIONSPACE, and SIOCATMARK
access the socket send or receive buffer. This is not possible for
listening sockets since r319722.
Because send()/recv() calls fail on listening sockets, fail also ioctl()
indicating EINVAL.

PR:			250366
Reported by:		Yong-Hao Zou
Reviewed by:		glebius, rscheff
MFC after:		1 week
Sponsored by:		Netflix, Inc.
Differential Revision:	https://reviews.freebsd.org/D26897

END