Rollup of 5 pull requests #90486
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Rollup of 5 pull requests #90486
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I think this code is getting L0, not L1 cache size, if I'm reading the Intel manual right. (I might not be.) Either way, the code comment and the printed message should match, whichever way is right. :)
`#[thread_local]` allows us to maintain a per-thread list of destructors. This also avoids the need to synchronize global data (which is particularly tricky within the TLS callback function).
After updating the minimum required LLVM version to 12 we can use apple-a14 as that is closer in features to the Apple M1 than the A12. Once the minimum required LLVM version is updated to 13 we can use apple-m1.
Make printed message match the code comment I think this code is getting L0, not L1 cache size, if I'm reading the Intel manual right. (I might not be.) Either way, the code comment and the printed message should match, whichever way is right. :)
…ocs, r=Mark-Simulacrum Document clippy on nightly-rustc Adding Clippy's docs to nightly-rustc, based on commit 01cf0bd. This PR only adds `clippy_utils` to the documentation. I've decided to only document one crate for now, as `clippy_lints` etc. contain very specific and undocumented functions which aren't really reusable. I'm guessing that they would mostly clutter up the search results with little benefit. `./x.py --stage 1 doc src/tools/clippy` if working fine now after the help that ```@jyn514``` and ```@ehuss``` have provided. A big THANK YOU to them!
…imulacrum
Add JoinHandle::is_running.
This adds:
```rust
impl<T> JoinHandle<T> {
/// Checks if the the associated thread is still running its main function.
///
/// This might return `false` for a brief moment after the thread's main
/// function has returned, but before the thread itself has stopped running.
pub fn is_running(&self) -> bool;
}
```
The usual way to check if a background thread is still running is to set some atomic flag at the end of its main function. We already do that, in the form of dropping an Arc which will reduce the reference counter. So we might as well expose that information.
This is useful in applications with a main loop (e.g. a game, gui, control system, ..) where you spawn some background task, and check every frame/iteration whether the background task is finished to .join() it in that frame/iteration while keeping the program responsive.
…chton Windows thread-local keyless drop `#[thread_local]` allows us to maintain a per-thread list of destructors. This also avoids the need to synchronize global data (which is particularly tricky within the TLS callback function). r? `@alexcrichton`
Use apple-a14 as target CPU for aarch64-apple-darwin After updating the minimum required LLVM version to 12 (rust-lang#90175) we can use `apple-a14` as target CPU, because that CPU is similar in features to the Apple M1 (see [LLVM 13 source](https://github.com/llvm/llvm-project/blob/b8016b626ec7095c7d57ebfffb2135dc5c3077b8/llvm/lib/Target/AArch64/AArch64.td#L1127)). Once the minimum required LLVM version is updated to 13 we can use `apple-m1` here.
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@bors r+ p=5 rollup=never |
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📌 Commit bca6e3d has been approved by |
bors
added
the
S-waiting-on-bors
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⌛ Testing commit bca6e3d with merge d392baeb253c1d3098bf4982edb6c43e02d76438... |
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☀️ Test successful - checks-actions |
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👀 Test was successful, but fast-forwarding failed: 422 Update is not a fast forward |
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Finished benchmarking commit (d392baeb253c1d3098bf4982edb6c43e02d76438): comparison url. Summary: This benchmark run did not return any relevant changes. If you disagree with this performance assessment, please file an issue in rust-lang/rustc-perf. @rustbot label: -perf-regression |
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