Github user mridulm commented on a diff in the pull request:
https://github.com/apache/spark/pull/1609#discussion_r15449433
--- Diff: core/src/main/scala/org/apache/spark/util/Utils.scala ---
@@ -947,6 +958,34 @@ private[spark] object Utils extends Logging {
}
false
}
+ /*
+ @volatile private var shutdownStarted = false
+ private[spark] def setShutdownStarted() {
+ shutdownStarted = true
+ }
+
+ def inShutdown(): Boolean = {
+ if (shutdownStarted) return true
+ doShutdownCheck()
+ shutdownStarted
+ }
+
+ private[spark] def doShutdownCheck() {
+ var shutdown = false
+ try {
+ val hook = new Thread {
+ override def run() {}
+ }
+ Runtime.getRuntime.addShutdownHook(hook)
+ Runtime.getRuntime.removeShutdownHook(hook)
+ } catch {
+ case ise: IllegalStateException =>
+ shutdown = true
+ } finally {
+ shutdownStarted = shutdown
+ }
+ }
+ */
--- End diff --
This (and related commented inShutdown references) has been left around in
case someone else can suggest an improvement !
The issue is, this works fine in 'normal' use : but while running spark
tests in local mode, it fails.
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