[crac] Integrated: Implement CRaC exit codes

[Roman Marchenko]

On Mon, 20 Mar 2023 15:08:18 GMT, Roman Marchenko <rmarchenko at openjdk.org> wrote:

> Implement CRaC exit codes in case it catches a signal.
> 
> This is a continuation of #46  inspired by [this comment](https://github.com/openjdk/crac/pull/46#discussion_r1122014722)
> 
> So, in case the child is terminated by a signal, CRaC should be terminated in similar way too, if possible. Otherwise it returns 128+n exit code as bash does.

This pull request has now been integrated.

Changeset: 3ff95be7
Author:    Roman Marchenko <rmarchenko at openjdk.org>
Committer: Anton Kozlov <akozlov at openjdk.org>
URL:       https://git.openjdk.org/crac/commit/3ff95be7ac8a4db6a07f37ff96243bb1d2cbab48
Stats:     22 lines in 2 files changed: 22 ins; 0 del; 0 mod

Implement CRaC exit codes

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PR: https://git.openjdk.org/crac/pull/52