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sync: bounded channel can not have 0 size (#879)

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Stephen Carman
2019-02-01 12:54:06 -08:00
committed by Carl Lerche
parent e1a07ce50c
commit 95b0eec8af
2 changed files with 7 additions and 0 deletions
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tokio-sync/src/mpsc/bounded.rs
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@@ -111,6 +111,7 @@ pub struct RecvError(());
/// }));
/// ```
pub fn channel<T>(buffer: usize) -> (Sender<T>, Receiver<T>) {
assert_eq!(buffer >= 1, true);
let semaphore = (::semaphore::Semaphore::new(buffer), buffer);
let (tx, rx) = chan::channel(semaphore);