RFR: 8253742: POSIX signal code cleanup [v9]

[Gerard Ziemski]

On Tue, 17 Nov 2020 15:44:09 GMT, Thomas Stuefe <stuefe at openjdk.org> wrote:

>> Gerard Ziemski has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   last tweaks
>
> src/hotspot/os/posix/signals_posix.cpp line 1:
> 
>> 1:     /*
> 
> superfluous change

Fixed.

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PR: https://git.openjdk.java.net/jdk/pull/636