dnrops
/
rust
mirror of https://github.com/rust-lang/rust.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Rollup merge of #74910 - RalfJung:fence, r=Mark-Simulacrum 

fence docs: fix example Mutex

Fixes https://github.com/rust-lang/rust/issues/74808

Cc @pca006132
This commit is contained in:
Manish Goregaokar 2020-07-29 16:38:31 -07:00 committed by GitHub
parent 1d53340e04 897149a883
commit 2050128302
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
library/core/src/sync/atomic.rs
View File

@ -2649,7 +2649,8 @@ unsafe fn atomic_umin<T: Copy>(dst: *mut T, val: T, order: Ordering) -> T {
/// }
///
/// pub fn lock(&self) {
/// while !self.flag.compare_and_swap(false, true, Ordering::Relaxed) {}
/// // Wait until the old value is `false`.
/// while self.flag.compare_and_swap(false, true, Ordering::Relaxed) != false {}
/// // This fence synchronizes-with store in `unlock`.
/// fence(Ordering::Acquire);
/// }