Brian Goff b988718959 Fix fd leak on attach ...

With a full attach, each attach was leaking 4 goroutines.
This updates attach to use errgroup instead of the hodge-podge of
waitgroups and channels.

In addition, the detach event was never being sent.

Signed-off-by: Brian Goff <cpuguy83@gmail.com>
Upstream-commit: 0f5147701775a6c5d4980a7b7c0ed2e830688034
Component: engine

2018-05-31 10:11:18 -04:00

components/engine

Fix fd leak on attach

2018-05-31 10:11:18 -04:00

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