> Also, it's not strictly necessary to release mutexes you've
> grabbed if they're being freed, but it's good style to do so.

That's assuming you've arranged (out-of-band) that nobody else
can be blocking on that lock (I was actually thinking 'spinlock')
as should be the case in correct disconnect/destroy logic.
Sorry to have omitted that important requirement!


> Plus:  some lock debugging tools have been known to track and
> warn about such issues, so it can be more than a style issue.





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