Linux Proactor Improvements

[simpsont-oci]

A few things:

• Improve general test support / coverage for Proactor implementations (backends) by introducing common Proactor_Test_Backend parsing and instantiation support and having all Proactor tests make use of it.
• Add Proactor Stress test and general API contract test
• Fix several stability and correctness issues in POSIX Proactor implementations exposed by new test coverage
• Add new Linux io_uring Proactor implementation (currently seems to outperform all POSIX Proactors on Linux, especially in the new stress test).

[coderabbitai]

Important

Review skipped

Draft detected.

Please check the settings in the CodeRabbit UI or the .coderabbit.yaml file in this repository. To trigger a single review, invoke the @coderabbitai review command.

⚙️ Run configuration

Configuration used: Repository UI

Review profile: CHILL

Plan: Pro

Run ID: f5521a75-c8ef-49c9-83fc-bb27a10f5b12

You can disable this status message by setting the reviews.review_status to false in the CodeRabbit configuration file.

Use the checkbox below for a quick retry:

• 🔍 Trigger review

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

---

Thanks for using CodeRabbit! It's free for OSS, and your support helps us grow. If you like it, consider giving us a shout-out.

❤️ Share

• X
• Mastodon
• Reddit
• LinkedIn

_{Comment @coderabbitai help to get the list of available commands and usage tips.}