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Merge pull request #725 from garypen/main

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change HokmaLock::write() to use atomic compare_exchange
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Stephen Chung 2023-06-15 08:30:07 +08:00 committed by GitHub
commit 55a1daee98
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1 changed files with 6 additions and 4 deletions
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10
src/config/hashing.rs
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@ -50,10 +50,12 @@ impl HokmaLock {
pub fn write(&'static self) -> WhenTheHokmaSuppression { pub fn write(&'static self) -> WhenTheHokmaSuppression {
loop { loop {
let previous = self.lock.load(Ordering::SeqCst); // We are only interested in error results
self.lock.store(1, Ordering::SeqCst); if let Err(previous) = self
.lock
if previous != 1 { .compare_exchange(1, 1, Ordering::SeqCst, Ordering::SeqCst)
{
// If we failed, previous cannot be 1
return WhenTheHokmaSuppression { return WhenTheHokmaSuppression {
hokma: self, hokma: self,
state: previous, state: previous,