:: Ord a => [a] -> [a] -package:hspec -package:Cabal -package:Cabal-syntax -package:safe -package:lens -is:exact package:lifted-base -is:exact is:exact

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