bjoernager/rust
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compiler/rustc_data_structures/src/sync.rs: delete Weak

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This commit is contained in:
Askar Safin 2025-02-11 08:25:50 +03:00
parent c9c7b44510
commit 8f684c9db7
2 changed files with 1 additions and 3 deletions
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3
compiler/rustc_data_structures/src/sync.rs
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@ -18,7 +18,6 @@
//!
//! | Type | Serial version | Parallel version |
//! | ----------------------- | ------------------- | ------------------------------- |
//! |` Weak<T>` | `rc::Weak<T>` | `sync::Weak<T>` |
//! | `LRef<'a, T>` [^2] | `&'a mut T` | `&'a T` |
//! | | | |
//! | `AtomicBool` | `Cell<bool>` | `atomic::AtomicBool` |
@ -104,11 +103,11 @@ mod mode {
// FIXME(parallel_compiler): Get rid of these aliases across the compiler.
pub use std::marker::{Send, Sync};
pub use std::sync::OnceLock;
// Use portable AtomicU64 for targets without native 64-bit atomics
#[cfg(target_has_atomic = "64")]
pub use std::sync::atomic::AtomicU64;
pub use std::sync::atomic::{AtomicBool, AtomicU32, AtomicUsize};
pub use std::sync::{OnceLock, Weak};
pub use mode::{is_dyn_thread_safe, set_dyn_thread_safe_mode};
pub use parking_lot::{

1
src/doc/rustc-dev-guide/src/parallel-rustc.md
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@ -46,7 +46,6 @@ are implemented differently depending on whether `parallel-compiler` is true.
| data structure | parallel | non-parallel |
| -------------------------------- | --------------------------------------------------- | ------------ |
| Weak | std::sync::Weak | std::rc::Weak |
| Atomic{Bool}/{Usize}/{U32}/{U64} | std::sync::atomic::Atomic{Bool}/{Usize}/{U32}/{U64} | (std::cell::Cell<bool/usize/u32/u64>) |
| OnceCell | std::sync::OnceLock | std::cell::OnceCell |
| Lock\<T> | (parking_lot::Mutex\<T>) | (std::cell::RefCell) |