p2p: track goroutines with wg, fixes #20558 #20559
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fjl
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Jan 15, 2020
p2p/server.go
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Adding to loopWG from within the loop is unsafe because it can lead to Add being called concurrently with Wait. It would be better to wait for the slots channel on shutdown.
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Ok, I've squashed in an alternate solution, PTAL
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Resubmitted as #20569 with the additional change of waiting for all slots instead of just one. |
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Should fix #20558