:: Ord a => [a] -> [a] -package:focus -package:witherable -package:Cabal -package:ghc -package:basement is:exact -package:vector-algorithms -package:extra package:lifted-base

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