K 10
svn:author
V 5
mmacy
K 8
svn:date
V 27
2018-05-17T19:50:55.790928Z
K 7
svn:log
V 206
epoch(9): eliminate the need to wait when polling for callbacks to run

by using ck's own callback handling mechanism we can simply check which
callbacks have had a grace period elapse

Approved by:	sbruno

END