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sync: Add Sync impl for Lock (#1117)

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Kevin Leimkuhler 2019-06-04 17:04:35 -07:00 committed by Carl Lerche
parent 01052f930a
commit 970f75f830
1 changed files with 4 additions and 2 deletions
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6
tokio-sync/src/lock.rs
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@ -72,9 +72,11 @@ pub struct Lock<T> {
#[derive(Debug)]
pub struct LockGuard<T>(Lock<T>);
// As long as T: Send, it's fine to send Lock<T> to other threads.
// If T was not Send, sending a Lock<T> would be bad, since you can access T through Lock<T>.
// As long as T: Send, it's fine to send and share Lock<T> between threads.
// If T was not Send, sending and sharing a Lock<T> would be bad, since you can access T through
// Lock<T>.
unsafe impl<T> Send for Lock<T> where T: Send {}
unsafe impl<T> Sync for Lock<T> where T: Send {}
unsafe impl<T> Sync for LockGuard<T> where T: Send + Sync {}
#[derive(Debug)]