RFR: 8373118: Test java/lang/Thread/virtual/Starvation.java timed out

[Doug Lea]

On Fri, 12 Dec 2025 23:00:29 GMT, Viktor Klang <vklang at openjdk.org> wrote:

>> src/java.base/share/classes/java/util/concurrent/ForkJoinPool.java line 1434:
>> 
>>> 1432:         final int topLevelExec(ForkJoinTask<?> task, WorkQueue q,
>>> 1433:                                 int fifo, int qbase) {
>>> 1434:             int stolen = 1;
>> 
>> @DougLea It does seem a bit weird that stolen starts as 1 even if "task == null" (i.e. this method would return 1 for an invocation where task or q is null, which doesn't sounds right?)
>
> On the other hand, `t` is never null, and `q` is never null, so I'll just suggest a small comment below.

Or less oddly, now prefaced with
            if (task == null || q == null)
                return 0;        // currently impossible
I also added some javadoc and comments and cosmetics

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

PR Review Comment: https://git.openjdk.org/jdk/pull/28797#discussion_r2616349996