corpoverlords opened a new pull request, #47903: URL: https://github.com/apache/arrow/pull/47903
### Rationale for this change This would allow Arrow to coexist with other libraries that also use the AWS SDK. Internally since 2 years ago AWS SDK already has a refcount mechanism for `InitAPI` and supports re-init after deinit. - Introduced a mutex for thread-safe re-initialization of the S3 client after finalization, replacing the previous std::call_once mechanism. - Added an Initialize method to reset the finalized state of the S3 client. - Updated EnsureInitialized to allow re-initialization while ensuring thread safety. This change improves the flexibility and safety of the S3 client lifecycle management. ### What changes are included in this PR? S3FS init changes ### Are these changes tested? Tested with our local infra. I can add a unit test in a dedicated cpp file (due to init/deinit usage) if wanted. ### Are there any user-facing changes? No **This PR includes breaking changes to public APIs.** (If there are any breaking changes to public APIs, please explain which changes are breaking. If not, you can remove this.) **This PR contains a "Critical Fix".** (If the changes fix either (a) a security vulnerability, (b) a bug that caused incorrect or invalid data to be produced, or (c) a bug that causes a crash (even when the API contract is upheld), please provide explanation. If not, you can remove this.) -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
