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Keep lock until sender notified (#2302)

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th0114nd 2020-03-08 23:46:19 -04:00 committed by GitHub
parent bc8dcdeb58
commit 826fc21abf
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tokio/src/sync/broadcast.rs
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@ -980,7 +980,7 @@ impl<T> Slot<T> {
if 1 == self.lock.fetch_sub(2, SeqCst) - 2 { if 1 == self.lock.fetch_sub(2, SeqCst) - 2 {
// First acquire the lock to make sure our sender is waiting on the // First acquire the lock to make sure our sender is waiting on the
// condition variable, otherwise the notification could be lost. // condition variable, otherwise the notification could be lost.
let _ = tail.lock().unwrap(); let _lock = tail.lock().unwrap();
// Wake up senders // Wake up senders
condvar.notify_all(); condvar.notify_all();
} }