diff options
| author | Steve Klabnik <steve@steveklabnik.com> | 2016-11-08 16:20:58 -0500 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2016-11-08 16:20:58 -0500 |
| commit | 5c92c2c6a9450d087b0977b89318688fe1bbd2a0 (patch) | |
| tree | 2b984537f739bdf21e942758789edda115279e43 /src | |
| parent | 48c4d1740e621ed7727424de5f00f22dda5d78fe (diff) | |
| parent | 93571537e3ba1e5d9e9c32151af0287299409246 (diff) | |
Rollup merge of #37652 - SimonSapin:arc-count-doc, r=alexcrichton
More proeminent warning in Arc::{strong,weak}_count docs.
CC https://github.com/rust-lang/rust/issues/28356#issuecomment-259212258
Diffstat (limited to 'src')
| -rw-r--r-- | src/liballoc/arc.rs | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/src/liballoc/arc.rs b/src/liballoc/arc.rs index d6096d58947..ca78142bc1d 100644 --- a/src/liballoc/arc.rs +++ b/src/liballoc/arc.rs @@ -319,11 +319,14 @@ impl<T: ?Sized> Arc<T> { /// Gets the number of [`Weak`][weak] pointers to this value. /// - /// Be careful how you use this information, because another thread - /// may change the weak count at any time. - /// /// [weak]: struct.Weak.html /// + /// # Safety + /// + /// This method by itself is safe, but using it correctly requires extra care. + /// Another thread can change the weak count at any time, + /// including potentially between calling this method and acting on the result. + /// /// # Examples /// /// ``` @@ -347,8 +350,11 @@ impl<T: ?Sized> Arc<T> { /// Gets the number of strong (`Arc`) pointers to this value. /// - /// Be careful how you use this information, because another thread - /// may change the strong count at any time. + /// # Safety + /// + /// This method by itself is safe, but using it correctly requires extra care. + /// Another thread can change the strong count at any time, + /// including potentially between calling this method and acting on the result. /// /// # Examples /// |