Provide the same sched.h constants for musl as gnu

[alyssais]

I don't understand why these constants from Linux headers aren't just defined in linux_like/mod.rs. Surely they'd be the same for every libc?

[rustbot]

Thanks for the pull request, and welcome! The Rust team is excited to review your changes, and you should hear from @JohnTitor (or someone else) soon.

Please see the contribution instructions for more information. Namely, in order to ensure the minimum review times lag, PR authors and assigned reviewers should ensure that the review label (S-waiting-on-review and S-waiting-on-author) stays updated, invoking these commands when appropriate:

• @rustbot author: the review is finished, PR author should check the comments and take action accordingly
• @rustbot review: the author is ready for a review, this PR will be queued again in the reviewer's queue

[JohnTitor]

@bors r+

[bors]

📌 Commit 2670fb1 has been approved by JohnTitor

It is now in the queue for this repository.

[bors]

⌛ Testing commit 2670fb1 with merge 0cad2c2...

[bors]

💔 Test failed - checks-actions

[JohnTitor]

CI fails: https://github.com/rust-lang/libc/actions/runs/7487138095/job/20379076829
It'd also be great if you could rebase onto main to trigger full CI.

[tgross35]

@alyssais are you able to update this to get it over the line? If you need help figuring out the CI, let me know.

[tgross35]

@alyssais ping, are you able to update this?