Ben Kochie fe5a117831

Handle vanishing PIDs (#1043) ...

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>

2018-08-13 17:27:23 +02:00

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