Integrated: 8370314: Update signals_posix with new Linux signal codes

[David Holmes]

On Thu, 8 Jan 2026 04:51:38 GMT, David Holmes <dholmes at openjdk.org> wrote:

> There are a few "new" si_codes defined on Linux that we did not support for error reporting. Some of these are only exposed in more recent glibc versions so we have to hard-wire them for older build environments.
> 
> The changes are all conditional on Linux, except the POLL_IN addition which is conditional on SIGPOLL, which is turn only exists on Linux.
> 
> Tested with local Linux environments, plus our CI plus GHA.
> 
> Thanks.

This pull request has now been integrated.

Changeset: f4ebf958
Author:    David Holmes <dholmes at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/f4ebf9585f63177584d8c48838ef793407ebce12
Stats:     39 lines in 1 file changed: 38 ins; 0 del; 1 mod

8370314: Update signals_posix with new Linux signal codes

Reviewed-by: shade, jwaters

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PR: https://git.openjdk.org/jdk/pull/29105