RFR: 8253742: POSIX signal code cleanup [v3]

[Gerard Ziemski]

On Wed, 4 Nov 2020 04:09:16 GMT, David Holmes <dholmes at openjdk.org> wrote:

>> Gerard Ziemski has updated the pull request incrementally with two additional commits since the last revision:
>> 
>>  - use ifdef(SIGDANGER) and ifdef(SIGTRAP)
>>  - revert unblock_program_error_signals change
>
> src/hotspot/os/aix/os_aix.cpp line 2578:
> 
>> 2576: }
>> 2577: 
>> 2578: void os::SuspendedThreadTask::internal_do_task() {
> 
> We should be able to have a single definition of this function in os_posix.cpp too.

Fixed.

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