K 10
svn:author
V 8
vangyzen
K 8
svn:date
V 27
2018-11-30T03:01:32.885433Z
K 7
svn:log
V 272
_thr_setthreaded() cannot fail; change return type to void

Also remove logic to avoid unnecessary stores to the global variable.
Thread creation and destruction are heavy enough that any supposed savings
is in the noise.

MFC after:	2 weeks
Sponsored by:	Dell EMC Isilon

END