RFR: 8252324: Signal related code should be shared among POSIX platforms

[Thomas Stuefe]

On Sat, 3 Oct 2020 17:12:30 GMT, Gerard Ziemski <gziemski at openjdk.org> wrote:

> This is a fresh start for https://github.com/openjdk/jdk/pull/157
> 
> Please review this change that refactors common POSIX code into a separate
> file.
> 
> Currently there appears to be quite a bit of duplicated code among POSIX
> platforms, which makes it difficult to apply single fix to the signal code.
> With this fix, we will only need to touch single file for common POSIX
> code fixes from now on.
> 
> ---------
> ### Progress
> - [x] Change must not contain extraneous whitespace
> - [x] Commit message must refer to an issue
> - [ ] Change must be properly reviewed
> 
> 
> 
> ### Download
> `$ git fetch https://git.openjdk.java.net/jdk pull/497/head:pull/497`
> `$ git checkout pull/497`

I put the new patch into our test queue to give it another spin. Will take a last look next week.

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PR: https://git.openjdk.java.net/jdk/pull/497