Specialize sleep_until implementation for unix (except mac)

[dvdsk]

related tracking issue: #113752
Supersedes #118480 for the reasons see: #113752 (comment)

Replaces the generic catch all implementation with target_os specific ones for: linux/netbsd/freebsd/android/solaris/illumos etc. Other platforms like wasi, macos/ios/tvos/watchos and windows will follow in later separate PR's (once this is merged).

[rustbot]

r? @tgross35

rustbot has assigned @tgross35.
They will have a look at your PR within the next two weeks and either review your PR or reassign to another reviewer.

Use r? to explicitly pick a reviewer

[dvdsk]

r? @cuviper

[dvdsk]

This can be done without touching all pal's, ill be doing that tomorrow, now its bed time 😴

edit: I was mistaken, tidy does not allow #[cfg(...)] in strc/thread/mod.rs probably for a good reason. Therefore we need a trivial not platform specific sleep_until in every pal that does not have a specialized one.

[jhpratt]

@bors r-

#143311 (comment)

[workingjubilee]

Please try-job this across a few more Unix platforms before this goes back into the queue.

[dvdsk]

@bors try

[bors]

@dvdsk: 🔑 Insufficient privileges: not in try users

[dvdsk]

@dvdsk: 🔑 Insufficient privileges: not in try users

Yeah I thought so, that makes sense :)

@cuviper could you start a try job for me?

[mati865]

Plain try would only run on x86_64 Linux but the request was specifically about targets other than that.

I assume dist-various would cover big part of them but still not everything.

@bors2 try jobs=dist-various-1,dist-various-2

[rust-bors]

⌛ Trying commit dd0a1e6 with merge 52ae21f…

To cancel the try build, run the command @bors2 try cancel.

[rust-bors]

☀️ Try build successful (CI)
Build commit: 52ae21f (52ae21f3fd6ed1b354a065e1db01bafdd9831796, parent: b94bd12401d26ccf1c3b04ceb4e950b0ff7c8d29)

[cuviper]

@bors r+ rollup=iffy

[bors]

📌 Commit dd0a1e6 has been approved by cuviper

It is now in the queue for this repository.

[bors]

⌛ Testing commit dd0a1e6 with merge 94817f8...

[rust-log-analyzer]

The job x86_64-gnu-aux failed! Check out the build log: (web) (plain enhanced) (plain)

Click to see the possible cause of the failure (guessed by this bot)

331  | |                     core::ptr::null_mut(), // not required with TIMER_ABSTIME
332  | |                 );
     | |_________________^ unsupported operation occurred here
     |
     = help: this means the program tried to do something Miri does not support; it does not indicate a bug in the program
     = note: BACKTRACE on thread `sleep_until`:
     = note: inside `std::sys::pal::unix::thread::Thread::sleep_until` at /checkout/library/std/src/sys/pal/unix/thread.rs:327:27: 332:18
note: inside `std::thread::sleep_until`
    --> /checkout/library/std/src/thread/mod.rs:986:5
     |
986  |     imp::Thread::sleep_until(deadline)
     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
note: inside `sleep_until`
    --> library/std/tests/thread.rs:26:5
     |
26   |     thread::sleep_until(deadline);
---
     |                 ^
     |
    ::: /checkout/library/core/src/macros/mod.rs:1650:5
     |
1650 |     pub macro test($item:item) {
     |     -------------- in this expansion of `#[test]`
note: inside `<{closure@library/std/tests/thread.rs:22:1: 30:2} as std::ops::FnOnce<()>>::call_once - shim`
    --> /checkout/library/core/src/ops/function.rs:250:5
     |
250  |     extern "rust-call" fn call_once(self, args: Args) -> Self::Output;
     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
note: inside `<fn() -> std::result::Result<(), std::string::String> as std::ops::FnOnce<()>>::call_once - shim(fn() -> std::result::Result<(), std::string::String>)`
---

error: test failed, to rerun pass `-p std --test thread`

Caused by:
  process didn't exit successfully: `/checkout/obj/build/x86_64-unknown-linux-gnu/stage1/bin/cargo-miri runner /checkout/obj/build/x86_64-unknown-linux-gnu/stage1-std/miri/x86_64-unknown-linux-gnu/debug/deps/thread-19c333a22dbfeb29 --skip 'fs::' --skip 'net::' --skip 'process::' --skip 'sys::fd::' --skip 'sys::pal::' -Z unstable-options --format json` (exit status: 1)
note: test exited abnormally; to see the full output pass --nocapture to the harness.
Build completed unsuccessfully in 0:09:09
make: *** [Makefile:58: check-aux] Error 1
  local time: Thu Jul  3 04:13:52 UTC 2025
  network time: Thu, 03 Jul 2025 04:13:53 GMT
##[error]Process completed with exit code 2.
Post job cleanup.

[bors]

💔 Test failed - checks-actions