:: Ord a => [a] -> [a] -package:containers -package:ghc -package:base -package:extra -package:Cabal -package:safe -package:generic-deriving is:exact package:lifted-base

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