Github user jodersky commented on a diff in the pull request:
https://github.com/apache/spark/pull/12605#discussion_r60700548
--- Diff: core/src/main/scala/org/apache/spark/util/SignalUtils.scala ---
@@ -31,14 +31,51 @@ import org.apache.spark.internal.Logging
/**
* Contains utilities for working with posix signals.
*/
-private[spark] object Signaling extends Logging {
+private[spark] object SignalUtils extends Logging {
+
+ private var registered = false
+
+ /** Register a signal handler to log signals on UNIX-like systems. */
+ def registerLogger(log: Logger): Unit = synchronized {
--- End diff --
I specifically kept logging separate as it is a specific use case of
signaling, whereas my original Signaling object just provided the base
functionality of registering arbitrary functions to be called on signals.
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