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. test/lib/jdk/test/lib/util/ForceGC.java line 117: > 115: * jtreg tag. > 116: * > 117: * This method should usually be called after a call to > WhiteBox.fullGC(). I suggest waiting until we have a use-case for WFRP _without_ `WB.fullGC` before adding this. That's because I'm doubtful that such a use-case exists. ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/24527#discussion_r2034131990
