diff options
| -rw-r--r-- | core/src/main/scala/org/apache/spark/util/SignalUtils.scala | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/core/src/main/scala/org/apache/spark/util/SignalUtils.scala b/core/src/main/scala/org/apache/spark/util/SignalUtils.scala index 9479d8f74d..5a24965170 100644 --- a/core/src/main/scala/org/apache/spark/util/SignalUtils.scala +++ b/core/src/main/scala/org/apache/spark/util/SignalUtils.scala @@ -92,9 +92,11 @@ private[spark] object SignalUtils extends Logging { // register old handler, will receive incoming signals while this handler is running Signal.handle(signal, prevHandler) - // run all actions, escalate to parent handler if no action catches the signal - // (i.e. all actions return false) - val escalate = actions.asScala.forall { action => !action() } + // Run all actions, escalate to parent handler if no action catches the signal + // (i.e. all actions return false). Note that calling `map` is to ensure that + // all actions are run, `forall` is short-circuited and will stop evaluating + // after reaching a first false predicate. + val escalate = actions.asScala.map(action => action()).forall(_ == false) if (escalate) { prevHandler.handle(sig) } |