K 10
svn:author
V 4
wulf
K 8
svn:date
V 27
2019-11-24T20:41:47.438782Z
K 7
svn:log
V 418
Linux epoll: Don't deregister file descriptor after EPOLLONESHOT is fired

Linux epoll does not remove descriptor after one-shot event has been triggered.
Set EV_DISPATCH kqueue flag rather then EV_ONESHOT to get the same behavior.

Required by Linux Steam client.

PR:		240590
Reported by:	Alex S <iwtcex@gmail.com>
Reviewed by:	emaste, imp
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D22513

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