RFR: 8267517: async logging for stdout and stderr [v5]

[Xin Liu]

On Thu, 23 Dec 2021 05:18:09 GMT, David Holmes <dholmes at openjdk.org> wrote:

>> Xin Liu has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Remove BlockedLoggingTest.java and add test for stdout/err in test_asynclog.cpp.
>>   
>>   This patch also adds to flushing semantic to LogFileStreamOutput::write_blocking().
>>   It aligns with LogFileOutput::write_blocking().
>
> Testing results were fine.

@dholmes-ora @YaSuenag 
Thanks for reviewing!

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PR: https://git.openjdk.java.net/jdk/pull/6132