K 10
svn:author
V 4
wulf
K 8
svn:date
V 27
2019-11-24T20:44:14.990110Z
K 7
svn:log
V 378
Linux epoll: Check both read and write kqueue events existence in EPOLL_CTL_ADD

Linux epoll EPOLL_CTL_ADD op handler should always check registration
of both EVFILT_READ and EVFILT_WRITE kevents to deceide if supplied
file descriptor fd is already registered with epoll instance.

Reviewed by:	emaste
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D22515

END