[crac] RFR: 8349819: [CRaC] Support FD policy reopen on listening socket [v3]

[Radim Vansa]

On Wed, 19 Feb 2025 09:12:44 GMT, Radim Vansa <rvansa at openjdk.org> wrote:

>> Adds additional filtering option for `type: SOCKET` in OpenResourcePolicies: `listening: true` which is true for common server sockets. 
>> With `action: reopen` these implement automatic close on checkpoint and reopening on restore, using the same local address (this obviously won't work well if the restore happens on a machine that does not have the IP used before checkpoint).
>
> Radim Vansa has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Drop accidentally committed changes

The tests now use `simengine` and run on all platforms; I've added `implReopen()` to Windows... implementation as well.

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PR Comment: https://git.openjdk.org/crac/pull/204#issuecomment-2668004584