:: Ord a => [a] -> [a] -package:Glob -package:containers -package:integration -package:ghc -package:statistics -package:extra -package:safe -is:exact package:lifted-base is:exact

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