RFR: 8285792: Posix signal handler modification checking issues. [v3]

[Harold Seigel]

On Mon, 25 Jul 2022 21:45:30 GMT, David Holmes <dholmes at openjdk.org> wrote:

>> Harold Seigel has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   SIGFPE change
>
> src/hotspot/os/posix/signals_posix.cpp line 843:
> 
>> 841:   // Compare both sigaction structures (intelligently; only the members we care about).
>> 842:   // Ignore if the handler is our own crash handler.
>> 843:   if (!are_handlers_equal(&act, expected_act) &&
> 
> Pre-existing nit: really this should be called `are_actions_equal`. The poor naming is clearer when you now follow this with  `HANDLER_IS`.

Thanks for the suggestion.  Function are_handlers_equal() is renamed to are_actions_equal() in the latest commit.

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PR: https://git.openjdk.org/jdk/pull/9631