Files
Matthew Heon 2cf443fd41 Ensure that attach ready channel does not block
We only use this channel in terminal attach, and it was not a
buffered channel originally, so it would block on trying to send
unless a receiver was ready. In the non-terminal case, there was
no receiver, so attach blocked forever. Buffer the channel for a
single bool so that it will never block, even if unused.

Fixes #8154

Signed-off-by: Matthew Heon <mheon@redhat.com>
2020-10-28 11:32:31 -04:00
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