[crac] Integrated: Ensure empty Reference Handler and Cleaners queues

Tue Feb 1 13:13:39 UTC 2022

On Mon, 31 Jan 2022 11:45:25 GMT, Anton Kozlov <akozlov at openjdk.org> wrote:

> At the time of checkpoint, a set of References may need handling. This change ensures no References pending in ReferenceHandler and in Cleaners.
> 
> System.gc() is a best effort attempt to make GC to look for References. Default VM flags (-DisableExplicitGC, -ExplicitGCInvokesConcurrent) should not block the call, but additional investigation is needed to make sure GC found all references.

This pull request has now been integrated.

Changeset: 9cf19956
Author:    Anton Kozlov <akozlov at openjdk.org>
URL:       https://git.openjdk.java.net/crac/commit/9cf1995693eead85d3807fb4c83ab38c14e27042
Stats:     130 lines in 5 files changed: 128 ins; 0 del; 2 mod

Ensure empty Reference Handler and Cleaners queues

Reviewed-by: heidinga

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PR: https://git.openjdk.java.net/crac/pull/13