On Tue, 8 Apr 2025 20:20:56 GMT, Brent Christian <bchri...@openjdk.org> wrote:

> Certain specific types of tests involving GC and reference processing need to 
> account for the delay between a GC completing (during which the GC clears a 
> Reference), and the Reference being added to its associated queue. At 
> present, ad hoc mechanisms (with delays/timeout) are used, but can lead to 
> intermittent test failures 
> ([JDK-8298783](https://bugs.openjdk.org/browse/JDK-8298783)  is a recent 
> example).
> 
> A better mechanism already exists in the private 
> `Reference.waitForReferenceProcessing()` method. This PR makes 
> `waitForReferenceProcessing()` available to tests via the `WhiteBox` and 
> `ForceGC` test libraries.

This pull request has now been integrated.

Changeset: d8f012ea
Author:    Brent Christian <bchri...@openjdk.org>
URL:       
https://git.openjdk.org/jdk/commit/d8f012ea2a0514020434d5db6047e36941e9349b
Stats:     51 lines in 1 file changed: 51 ins; 0 del; 0 mod

8305186: Reference.waitForReferenceProcessing should be more accessible to tests

Reviewed-by: kbarrett

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

PR: https://git.openjdk.org/jdk/pull/24527

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