diff options
| -rw-r--r-- | src/libcore/sync/atomic.rs | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/src/libcore/sync/atomic.rs b/src/libcore/sync/atomic.rs index 52ba8d9a631..1bdab88d71d 100644 --- a/src/libcore/sync/atomic.rs +++ b/src/libcore/sync/atomic.rs @@ -26,8 +26,9 @@ //! [1]: http://llvm.org/docs/LangRef.html#memory-model-for-concurrent-operations //! //! Atomic variables are safe to share between threads (they implement `Sync`) -//! but they do not themselves provide the mechanism for sharing. The most -//! common way to share an atomic variable is to put it into an `Arc` (an +//! but they do not themselves provide the mechanism for sharing and follow the +//! [threading model](../../../std/thread/index.html#the-threading-model) of rust. +//! The most common way to share an atomic variable is to put it into an `Arc` (an //! atomically-reference-counted shared pointer). //! //! Most atomic types may be stored in static variables, initialized using @@ -48,12 +49,16 @@ //! let spinlock = Arc::new(AtomicUsize::new(1)); //! //! let spinlock_clone = spinlock.clone(); -//! thread::spawn(move|| { +//! let thread = thread::spawn(move|| { //! spinlock_clone.store(0, Ordering::SeqCst); //! }); //! //! // Wait for the other thread to release the lock //! while spinlock.load(Ordering::SeqCst) != 0 {} +//! +//! if let Err(panic) = thread.join() { +//! println!("Thread had an error: {:?}", panic); +//! } //! } //! ``` //! |