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Rollup merge of rust-lang#131094 - joboet:lazy_once_box, r=ibraheemdev std: replace `LazyBox` with `OnceBox` This PR replaces the `LazyBox` wrapper used to allocate the pthread primitives with `OnceBox`, which has a more familiar API mirroring that of `OnceLock`. This cleans up the code in preparation for larger changes like rust-lang#128184 (from which this PR was split) and allows some neat optimizations, like avoid an acquire-load of the allocation pointer in `Mutex::unlock`, where the initialization of the allocation must have already been observed. Additionally, I've gotten rid of the TEEOS `Condvar` code, it's just a duplicate of the pthread one anyway and I didn't want to repeat myself.
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Original file line number | Diff line number | Diff line change |
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@@ -1,11 +1,14 @@ | ||
mod condvar; | ||
mod mutex; | ||
mod once; | ||
mod once_box; | ||
mod rwlock; | ||
mod thread_parking; | ||
|
||
pub use condvar::Condvar; | ||
pub use mutex::Mutex; | ||
pub use once::{Once, OnceState}; | ||
#[allow(unused)] // Only used on some platforms. | ||
use once_box::OnceBox; | ||
pub use rwlock::RwLock; | ||
pub use thread_parking::Parker; |
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