Nathaniel Wesley Filardo 0321a7990b kqueue: Add EV_KEEPUDATA flag
When this flag is set, operations that update an existing kevent will
not change the udata field.  This can be used to NOTE_TRIGGER or
EV_{EN,DIS}ABLE events without overwriting the stashed pointer.

Reviewed by:	Domagoj Stolfa <domagoj.stolfa@gmail.com>
Obtained from:	CheriBSD
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D30286
2021-09-23 17:31:39 -07:00
..
2021-03-18 20:52:20 +00:00
2021-09-23 17:31:39 -07:00
2021-08-18 13:41:33 -04:00
2021-08-18 13:41:33 -04:00