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clarify wording around spurious wakeups from thread::park

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Ibraheem Ahmed 2023-04-11 13:20:41 -04:00 committed by GitHub
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commit e9868ef8df
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library/std/src/thread/mod.rs
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@ -891,8 +891,8 @@ pub fn sleep(dur: Duration) {
/// performs the corresponding `Acquire` operation. Calls to `unpark` for the same
/// thread form a [release sequence].
///
/// Note that being unblocked does not imply synchronization with a call to `unpark`,
/// the wakeup could also be spurious. For example, a valid, but inefficient,
/// Note that being unblocked does not imply a call was made to `unpark`, because
/// wakeups can also be spurious. For example, a valid, but inefficient,
/// implementation could have `park` and `unpark` return immediately without doing anything.
///
/// # Examples