RFR: 8297173: usageTicks and totalTicks should be volatile to ensure that different threads get the latest ticks [v2]

[Poison]

On Thu, 17 Nov 2022 09:35:07 GMT, Alan Bateman <alanb at openjdk.org> wrote:

>> Poison has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   8297173: usageTicks and totalTicks should be volatile
>
> src/jdk.management/unix/classes/com/sun/management/internal/OperatingSystemImpl.java line 53:
> 
>> 51:     private abstract class ContainerCpuTicks {
>> 52:         private volatile long usageTicks = 0;
>> 53:         private volatile long totalTicks = 0;
> 
> You can drop initialising the fields to 0 (their default value) while you are at it as they are volatile writes.

OK

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PR: https://git.openjdk.org/jdk/pull/11199