Integrated: 8275035: Clean up worker thread infrastructure

[Per Liden]

On Mon, 11 Oct 2021 09:21:21 GMT, Per Liden <pliden at openjdk.org> wrote:

> I propose that we clean up our GangWorker/WorkGang and related classes, to remove abstractions we no longer need (after CMS was removed, MutexDispatcher was removed, Parallel is now using WorkGang, etc) and adjusting names as follows:
> 
> * Rename AbstractGangTask to WorkerTask
> * Rename WorkGang to WorkerThreads
> * Fold GangWorker into WorkerThread
> * Fold WorkManager into WorkerThreads
> * Move SubTaskDone and friends to a new workerUtils.hpp/cpp
> 
> I've split things up into several commits to make it easier to review.
> 
> Testing: Passes Tier 1-3 on all Oracle platforms.

This pull request has now been integrated.

Changeset: 54b88707
Author:    Per Liden <pliden at openjdk.org>
URL:       https://git.openjdk.java.net/jdk/commit/54b887076612c0eaa410a849178f8ba0c4ed3eeb
Stats:     2415 lines in 105 files changed: 881 ins; 1083 del; 451 mod

8275035: Clean up worker thread infrastructure

Reviewed-by: stefank, ayang

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

PR: https://git.openjdk.java.net/jdk/pull/5886