Re: jmx-dev RFR: 8297173: usageTicks and totalTicks should be volatile to ensure that different threads get the latest ticks

[Alan Bateman]

On Thu, 17 Nov 2022 06:28:37 GMT, Poison <d...@openjdk.org> wrote:

> As the title says, add the volatile modifier.

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.

-------------

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