Fix gochannel-related races #115
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Calling wg.Done() should not be locked, as this will lead to a deadlock with wg.Wait(). The access to Wait() call should be locked though, as Add() can be called in another goroutine.
roblaszczak
reviewed
Aug 27, 2019
roblaszczak
approved these changes
Aug 28, 2019
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This PR fixes data races reported by #111. They are related with concurrent closing of gochannel PubSub and Router.