[crac] RFR: C++ize criuengine

[Anton Kozlov]

On Thu, 3 Aug 2023 09:39:13 GMT, Jan Kratochvil <jkratochvil at openjdk.org> wrote:

> As the #97 review has no good solution I have C++ized the `criuengine` first.

Just to confirm, is this a non-functional refacotring? I don't see a lot of benefits from C++, and how it will help with #97, but I'm fine to change it in this way.

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Marked as reviewed by akozlov (Lead).

PR Review: https://git.openjdk.org/crac/pull/98#pullrequestreview-1560995251