kern/50506: kqueue(2) lacks EV_RECEIPT support

[tnn%NetBSD.org@localhost]

>Number:         50506
>Category:       kern
>Synopsis:       kqueue(2) lacks EV_RECEIPT support
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Tue Dec 08 13:35:00 +0000 2015
>Originator:     Tobias Nygren
>Release:        current
>Organization:
>Environment:
n/a
>Description:
This issue was originally raised in an external bug tracker:
https://github.com/facebook/fb-adb/issues/38

DragonflyBSD added EV_RECEIPT support in response:
https://github.com/DragonFlyBSD/DragonFlyBSD/commit/790e2e546ea2fa0a2da2055c14d439ba2cb5edfb

>How-To-Repeat:
Try to build fb-adb.

>Fix:
Implement support for EV_RECEIPT (and EV_DISPATCH?).