Jason Evans e5effef428 Add/use adaptive spinning.
Add spin_t and spin_{init,adaptive}(), which provide a simple
abstraction for adaptive spinning.

Adaptively spin during busy waits in bootstrapping and rtree node
initialization.
2016-10-13 14:55:39 -07:00
..
2016-10-13 14:55:39 -07:00
2016-02-29 10:45:49 -08:00