8371922: Remove unused NonblockingQueue class

[kimbarrett]

Please review this trivial change that removes the unused NonblockingQueue
utility class and its associated gtests.

Testing: mach5 tier1

---

Progress

• Change must be properly reviewed (1 review required, with at least 1 Reviewer)
• Change must not contain extraneous whitespace
• Commit message must refer to an issue

Issue

• JDK-8371922: Remove unused NonblockingQueue class (Enhancement - P4)

Reviewers

• Coleen Phillimore (@coleenp - Reviewer)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk.git pull/28330/head:pull/28330
$ git checkout pull/28330

Update a local copy of the PR:
$ git checkout pull/28330
$ git pull https://git.openjdk.org/jdk.git pull/28330/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 28330

View PR using the GUI difftool:
$ git pr show -t 28330

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk/pull/28330.diff

Using Webrev

Link to Webrev Comment

[bridgekeeper]

👋 Welcome back kbarrett! A progress list of the required criteria for merging this PR into master will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[openjdk]

@kimbarrett This change now passes all automated pre-integration checks.

ℹ️ This project also has non-automated pre-integration requirements. Please see the file CONTRIBUTING.md for details.

After integration, the commit message for the final commit will be:

8371922: Remove unused NonblockingQueue class

Reviewed-by: coleenp

You can use pull request commands such as /summary, /contributor and /issue to adjust it as needed.

At the time when this comment was updated there had been 2 new commits pushed to the master branch:

• 3924a28: 8371083: FollowReferences reports non-class objects as JVMTI_HEAP_REFERENCE_SYSTEM_CLASS
• 58b601a: 8371874: AOTLinkedClassBulkLoader::preload_classes() should not allocate heap objects

Please see this link for an up-to-date comparison between the source branch of this pull request and the master branch.
As there are no conflicts, your changes will automatically be rebased on top of these commits when integrating. If you prefer to avoid this automatic rebasing, please check the documentation for the /integrate command for further details.

➡️ To integrate this PR with the above commit message to the master branch, type /integrate in a new comment.

[openjdk]

@kimbarrett The following label will be automatically applied to this pull request:

• hotspot

When this pull request is ready to be reviewed, an "RFR" email will be sent to the corresponding mailing list. If you would like to change these labels, use the /label pull request command.

[mlbridge]

Webrevs

• 00: Full (8a67f2a2)

[coleenp]

Thank you. I tried to use this once because it sounded cool but it didn't solve my problem iirc.

[coleenp]

It is a trivial change.

[kimbarrett]

Thank you. I tried to use this once because it sounded cool but it didn't solve my problem iirc.

I kind of remember that.

Thanks for reviewing.

[kimbarrett]

/integrate

[openjdk]

Going to push as commit 91b97a4.
Since your change was applied there have been 2 commits pushed to the master branch:

• 3924a28: 8371083: FollowReferences reports non-class objects as JVMTI_HEAP_REFERENCE_SYSTEM_CLASS
• 58b601a: 8371874: AOTLinkedClassBulkLoader::preload_classes() should not allocate heap objects

Your commit was automatically rebased without conflicts.

[openjdk]

@kimbarrett Pushed as commit 91b97a4.

💡 You may see a message that your pull request was closed with unmerged commits. This can be safely ignored.