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

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