RFR: 2415: Update GitCommits::close to make sure it terminates all processes when an exception is thrown [v2]

[Erik Joelsson]

On Thu, 21 Nov 2024 22:03:41 GMT, Zhao Song <zsong at openjdk.org> wrote:

>> As Pavel pointed out in the pull request of [SKARA-2410](https://bugs.openjdk.org/browse/SKARA-2410)(https://github.com/openjdk/skara/pull/1697), with current implementation , GitCommits::close may have created multiple processes and only destroy one of them.
>> 
>> As Erik and Pavel suggested, we should make sure close() is called on each process.
>
> Zhao Song has updated the pull request incrementally with one additional commit since the last revision:
> 
>   review comment

Marked as reviewed by erikj (Lead).

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PR Review: https://git.openjdk.org/skara/pull/1699#pullrequestreview-2453049482