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Pslydhh 2018-06-02 15:59:54 +08:00 • committed by GitHub
parent 151e41ff0c
commit b352d2d167
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1 changed files with 6 additions and 8 deletions
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14
src/libstd/thread/mod.rs
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@ -797,10 +797,9 @@ pub fn park() {
match thread.inner.state.compare_exchange(EMPTY, PARKED, SeqCst, SeqCst) {
Ok(_) => {}
Err(NOTIFIED) => {
// should consume this notification, so prohibit spurious wakeups in next park...
thread.inner.state.store(EMPTY, SeqCst);
return;
}, // notified after we locked
thread.inner.state.store(EMPTY, SeqCst);
return;
} // should consume this notification, so prohibit spurious wakeups in next park.
Err(_) => panic!("inconsistent park state"),
}
loop {
@ -887,10 +886,9 @@ pub fn park_timeout(dur: Duration) {
match thread.inner.state.compare_exchange(EMPTY, PARKED, SeqCst, SeqCst) {
Ok(_) => {}
Err(NOTIFIED) => {
// should consume this notification, so prohibit spurious wakeups in next park...
thread.inner.state.store(EMPTY, SeqCst);
return;
}, // notified after we locked
thread.inner.state.store(EMPTY, SeqCst);
return;
} // should consume this notification, so prohibit spurious wakeups in next park.
Err(_) => panic!("inconsistent park_timeout state"),
}