RFR: 8273185: Rename the term "atomic" in ReferenceProcessor

[Aleksey Shipilev]

On Tue, 7 Sep 2021 18:58:53 GMT, Thomas Schatzl <tschatzl at openjdk.org> wrote:

> Hi all,
> 
>   please review this suggestion to rename the term "atomic" in the `ReferenceProcessor` class to "concurrent"/"stw" to avoid the confusion with Atomic operations.
> 
> It's a smaller change than expected, which is good, but also might question the need for this change. I grepped for "atomic" in the reference processor sources and hopefully got everything.
> 
> Testing: tier1-5
> 
> Thanks,
>   Thomas

This looks fine to me, with one nit.

src/hotspot/share/gc/shared/referenceProcessor.cpp line 905:

> 903:          "Bad referent " INTPTR_FORMAT " found in Reference "
> 904:          INTPTR_FORMAT " during %sconcurrent discovery ",
> 905:          p2i(referent), p2i(obj), concurrent ? "non-" : "");

This seems backwards, shouldn't it be `concurrent ? "" : "non-"`?

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Marked as reviewed by shade (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/5397