(0.49) Fix TimeUtilities thread number counting synchronization

eclipse-openj9 / openj9

Eclipse OpenJ9: A Java Virtual Machine for OpenJDK that's optimized for small footprint, fast start-up, and high throughput. Builds on Eclipse OMR (https://github.com/eclipse/omr) and combines with the Extensions for OpenJDK for OpenJ9 repo.

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(0.49) Fix TimeUtilities thread number counting synchronization #20659

Open JasonFengJ9 opened 1 day ago

JasonFengJ9 commented 1 day ago

Fix TimeUtilities thread number counting synchronization

Use AtomicInteger to update the thread number atomically.

Cherry-pick

https://github.com/eclipse-openj9/openj9/pull/20638

Signed-off-by: Jason Feng fengj@ca.ibm.com