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| author | Askar Safin <safinaskar@mail.ru> | 2025-02-11 08:14:00 +0300 |
|---|---|---|
| committer | Askar Safin <safinaskar@mail.ru> | 2025-02-11 08:24:50 +0300 |
| commit | c9c7b44510425c2d594ee0b6653e68a2aead3b6d (patch) | |
| tree | d06fa531c7ce010cb530d7771d1e8bfde5809429 | |
| parent | 25b6761c9ed7fa814a0182dbd9a04e1c4909b88e (diff) | |
| download | rust-c9c7b44510425c2d594ee0b6653e68a2aead3b6d.tar.gz rust-c9c7b44510425c2d594ee0b6653e68a2aead3b6d.zip | |
compiler/rustc_data_structures/src/sync.rs: delete MappedLockGuard
It seems it is left-over after some refactoring
| -rw-r--r-- | compiler/rustc_data_structures/src/sync.rs | 5 | ||||
| -rw-r--r-- | src/doc/rustc-dev-guide/src/parallel-rustc.md | 1 |
2 files changed, 2 insertions, 4 deletions
diff --git a/compiler/rustc_data_structures/src/sync.rs b/compiler/rustc_data_structures/src/sync.rs index ab457a639c7..6ea7360bced 100644 --- a/compiler/rustc_data_structures/src/sync.rs +++ b/compiler/rustc_data_structures/src/sync.rs @@ -112,9 +112,8 @@ pub use std::sync::{OnceLock, Weak}; pub use mode::{is_dyn_thread_safe, set_dyn_thread_safe_mode}; pub use parking_lot::{ - MappedMutexGuard as MappedLockGuard, MappedRwLockReadGuard as MappedReadGuard, - MappedRwLockWriteGuard as MappedWriteGuard, RwLockReadGuard as ReadGuard, - RwLockWriteGuard as WriteGuard, + MappedRwLockReadGuard as MappedReadGuard, MappedRwLockWriteGuard as MappedWriteGuard, + RwLockReadGuard as ReadGuard, RwLockWriteGuard as WriteGuard, }; #[cfg(not(target_has_atomic = "64"))] pub use portable_atomic::AtomicU64; diff --git a/src/doc/rustc-dev-guide/src/parallel-rustc.md b/src/doc/rustc-dev-guide/src/parallel-rustc.md index 44c78a125f4..49c52976c9c 100644 --- a/src/doc/rustc-dev-guide/src/parallel-rustc.md +++ b/src/doc/rustc-dev-guide/src/parallel-rustc.md @@ -58,7 +58,6 @@ are implemented differently depending on whether `parallel-compiler` is true. | WriteGuard | parking_lot::RwLockWriteGuard | std::cell::RefMut | | MappedWriteGuard | parking_lot::MappedRwLockWriteGuard | std::cell::RefMut | | LockGuard | parking_lot::MutexGuard | std::cell::RefMut | -| MappedLockGuard | parking_lot::MappedMutexGuard | std::cell::RefMut | - These thread-safe data structures are interspersed during compilation which can cause lock contention resulting in degraded performance as the number of |