RFR: 8201327: Make Sensor deeply immutably thread safe

[Chris Hegarty]

> On 9 Apr 2018, at 20:31, Alan Bateman <Alan.Bateman at oracle.com> wrote:
> 
>> On 09/04/2018 18:54, Martin Buchholz wrote:
>> Another little cleanup to make Google's race detector happy.
>> 
>> 8201327: Make Sensor deeply immutably thread safe
>> http://cr.openjdk.java.net/~martin/webrevs/jdk/Sensor-init/ <http://cr.openjdk.java.net/%7Emartin/webrevs/jdk/Sensor-init/>
>> https://bugs.openjdk.java.net/browse/JDK-8201327
>> 
> This looks okay to me,

+1

> except maybe the "initially false" and "initially 0" comments as they are just documenting the default values and don't add anything.

Yeah, I’ve done this before too, especially when removing default values ( as if to prevent them from inadvertently creeping back in ).

-Chris.