8274349: ForkJoinPool.commonPool() does not work with 1 CPU

[dholmes-ora]

Hi all,

this pull request contains a backport of commit 2e542e33 from the openjdk/jdk repository.

The commit being backported was authored by David Holmes on 4 Oct 2021 and was reviewed by Aleksey Shipilev and Martin Buchholz.

Thanks!

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue

Issue

• JDK-8274349: ForkJoinPool.commonPool() does not work with 1 CPU

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.java.net/jdk17u pull/151/head:pull/151
$ git checkout pull/151

Update a local copy of the PR:
$ git checkout pull/151
$ git pull https://git.openjdk.java.net/jdk17u pull/151/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 151

View PR using the GUI difftool:
$ git pr show -t 151

Using diff file

Download this PR as a diff file:
https://git.openjdk.java.net/jdk17u/pull/151.diff

[bridgekeeper]

👋 Welcome back dholmes! 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]

This backport pull request has now been updated with issue from the original commit.

[openjdk]

@dholmes-ora 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:

8274349: ForkJoinPool.commonPool() does not work with 1 CPU

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 no new commits pushed to the master branch. If another commit should be pushed before you perform the /integrate command, your PR will be automatically rebased. If you prefer to avoid any potential 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.

[mlbridge]

Webrevs

• 00: Full (043ffacf)

[dholmes-ora]

Backport approved.

/integrate

[openjdk]

Going to push as commit 328358a.

[openjdk]

@dholmes-ora Pushed as commit 328358a.

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