:: Ord a => [a] -> [a] -package:ghc -package:imports -package:base -is:exact -is:exact -package:lens -package:safe -package:containers package:lifted-base is:exact

Generalized version of runInBoundThread.
Generalized version of runInUnboundThread.
Generalized version of mask_.
Generalized version of uninterruptibleMask_.