com.twitter.util.Future supports raising interrupts that propagate 'backwards' through the chain (and across network boundaries.) This is used to implement canc

com.twitter.util.Future supports raising interrupts that propagate 'backwards' through the chain (and across network boundaries.) This is used to implement cancellation, among other things. https://github.com/twitter/util/blob/master/util-core/src/main/scala/com/twitter/util/Future.scala#L764 https://github.com/twitter/util/blob/master/util-core/src/ma...