RFR: 8322853: Should use ConditionalMutexLocker in NativeHeapTrimmerThread::print_state [v2]

[Aleksey Shipilev]

On Wed, 3 Jan 2024 07:06:57 GMT, Denghui Dong <ddong at openjdk.org> wrote:

>> Hi all,
>> 
>> Please help review this small fix.
>> 
>> MutexLocker requires that mutex != nullptr, so we should use ConditionalMutexLocker instead.
>> 
>> ~~Also, this patch made '_stop' volatile, since it will be read twice in run() but may be changed.~~
>
> Denghui Dong has updated the pull request incrementally with one additional commit since the last revision:
> 
>   update

Looks fine.

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Marked as reviewed by shade (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/17226#pullrequestreview-1801831905