Cleanup cloudabi mutexes and condvars #77657
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…oudabi-sync, r=dtolnay Cleanup cloudabi mutexes and condvars This gets rid of lots of unnecessary unsafety. All the AtomicU32s were wrapped in UnsafeCell or UnsafeCell<MaybeUninit>, and raw pointers were used to get to the AtomicU32 inside. This change cleans that up by using AtomicU32 directly. Also replaces a UnsafeCell<u32> by a safer Cell<u32>. @rustbot modify labels: +C-cleanup
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Rollup of 14 pull requests Successful merges: - rust-lang#75023 (ensure arguments are included in count mismatch span) - rust-lang#75265 (Add `str::{Split,RSplit,SplitN,RSplitN,SplitTerminator,RSplitTerminator,SplitInclusive}::as_str` methods) - rust-lang#75675 (mangling: mangle impl params w/ v0 scheme) - rust-lang#76084 (Refactor io/buffered.rs into submodules) - rust-lang#76119 (Stabilize move_ref_pattern) - rust-lang#77493 (ICEs should always print the top of the query stack) - rust-lang#77619 (Use futex-based thread-parker for Wasm32.) - rust-lang#77646 (For backtrace, use StaticMutex instead of a raw sys Mutex.) - rust-lang#77648 (Static mutex is static) - rust-lang#77657 (Cleanup cloudabi mutexes and condvars) - rust-lang#77672 (Simplify doc-cfg rendering based on the current context) - rust-lang#77780 (rustc_parse: fix spans on cast and range exprs with attrs) - rust-lang#77935 (BTreeMap: make PartialCmp/PartialEq explicit and tested) - rust-lang#77980 (Fix intra doc link for needs_drop) Failed merges: r? `@ghost`
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This gets rid of lots of unnecessary unsafety.
All the AtomicU32s were wrapped in UnsafeCell or UnsafeCell, and raw pointers were used to get to the AtomicU32 inside. This change cleans that up by using AtomicU32 directly.
Also replaces a UnsafeCell by a safer Cell.
@rustbot modify labels: +C-cleanup