cfengine/core — pull request #779 by teroka (2013-06-27 09:26:43+00:00)
Title: add by_owner process_select body

I'd assume this is common enough to warrant existence in the cobpl.
There's also workaround in it to match processes even if the username is too long, and uid is shown in ps list.

ref: https://cfengine.com/dev/issues/3002