RFR: JDK-8260485: Simplify and unify handler vectors in Posix signal code [v5]

[Thomas Stuefe]

On Tue, 9 Feb 2021 05:08:40 GMT, David Holmes <dholmes at openjdk.org> wrote:

> Still seems okay.
> 
> One query below.
> 
> Thanks,
> David

Thank you David.

> src/hotspot/os/posix/signals_posix.cpp line 154:
> 
>> 152: static bool check_signals = true;
>> 153: static SavedSignalHandlers expected_handlers;
>> 154: static bool do_check_signal_periodically[NSIG];
> 
> Does this need explicit initialization to have false entries?

I think it does not since global static objects are zero-initialized and 0 = false; however, I made the initialization explicit.

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PR: https://git.openjdk.java.net/jdk/pull/2251