RFR: 8229517: Support for optional asynchronous/buffered logging [v19]

[Xin Liu]

On Sat, 22 May 2021 21:08:35 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

>> Xin Liu has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Update according to reviewers' feedback (Part-2).
>
> src/hotspot/share/logging/logAsyncWriter.cpp line 35:
> 
>> 33: class AsyncLogLocker : public StackObj {
>> 34:  private:
>> 35:   debug_only(static intx _locking_thread_id;)
> 
> It's unclear to me what this variable is for.

thanks. I will delete it.

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PR: https://git.openjdk.java.net/jdk/pull/3135