Handle vanishing PIDs (#1043)

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PIDs can vanish (exit) from /proc/ between gathering the list of PIDs
and getting all of their stats.

* Ignore file not found errors.
* Explicitly count the PIDs we find.
* Cleanup some error style issues.

Signed-off-by: Ben Kochie <superq@gmail.com>

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Ben Kochie 2018-08-13 17:27:23 +02:00 • committed by GitHub

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