Josh Bleecher Snyder 5835a3f553 health, wgengine/magicsock: avoid receive function false positives ...

Avery reported a sub-ms health transition from "receiveIPv4 not running" to "ok".

To avoid these transient false-positives, be more precise about
the expected lifetime of receive funcs. The problematic case is one in which
they were started but exited prior to a call to connBind.Close.
Explicitly represent started vs running state, taking care with the order of updates.

Signed-off-by: Josh Bleecher Snyder <josharian@gmail.com>

2021-04-22 12:48:10 -07:00

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health.go

health, wgengine/magicsock: avoid receive function false positives

2021-04-22 12:48:10 -07:00