JDK10 RFR of 8185623: (se) AbstractSelector.selectorOpen is not published safely

[Brian Burkhalter]

https://bugs.openjdk.java.net/browse/JDK-8185623

--- a/src/java.base/share/classes/java/nio/channels/spi/AbstractSelector.java
+++ b/src/java.base/share/classes/java/nio/channels/spi/AbstractSelector.java
@@ -70,7 +70,7 @@
     extends Selector
 {
 
-    private AtomicBoolean selectorOpen = new AtomicBoolean(true);
+    private final AtomicBoolean selectorOpen = new AtomicBoolean(true);

Thanks,

Brian