K 10
svn:author
V 3
kib
K 8
svn:date
V 27
2012-12-19T04:24:11.212998Z
K 7
svn:log
V 188
MFC r243901:
Fixes to ensure the integrity of the callwheel tailqs.

MFC r243912 (by attilio):
Rearrange comments, use cached callout flags when callout could have
been already destroyed.

END