RFR: 8259354 Fix race condition in AbstractEventStream.nextThreadName

[Carter Kozak]

On Tue, 22 Dec 2020 21:11:33 GMT, Carter Kozak <github.com+3854321+carterkozak at openjdk.org> wrote:

> The result of `AtomicLong.incrementAndGet()` is used rather than
> incrementing the long and reading its value separately. The
> previous approach allowed for the static counter to be incremented
> several times before any caller read the value, resulting in
> several callers with the same value.

Hello @egahlin, it looks like you were involved with the original implementation. Is there any chance you could help me with the ticket and review process for this change?

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PR: https://git.openjdk.java.net/jdk/pull/1871