RFR: 8229517: Support for optional asynchronous/buffered logging [v17]

[Xin Liu]

On Fri, 21 May 2021 05:40:56 GMT, David Holmes <dholmes at openjdk.org> wrote:

>> Xin Liu has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Update according to reviewer's feedback.
>
> src/hotspot/share/runtime/init.cpp line 127:
> 
>> 125:     return status;
>> 126: 
>> 127:   AsyncLogWriter::initialize();
> 
> So prior to this point logging has been synchronous and now we switch if async-mode?

yes, after the store of _instance is seen, all logs switch to async mode.

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