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| author | Linus Färnstrand <faern@faern.net> | 2020-11-20 22:27:50 +0100 |
|---|---|---|
| committer | Linus Färnstrand <faern@faern.net> | 2020-12-22 12:19:46 +0100 |
| commit | 828d4ace4dee856b376fa44cc095d490ee799c30 (patch) | |
| tree | 4c97e5e4dd24f69a0caf17d87abeeb861da74f5e /library/std/src/sys/sgx/waitqueue | |
| parent | 4252e482569f00612e768811cbe0295562095343 (diff) | |
| download | rust-828d4ace4dee856b376fa44cc095d490ee799c30.tar.gz rust-828d4ace4dee856b376fa44cc095d490ee799c30.zip | |
Migrate standard library away from compare_and_swap
Diffstat (limited to 'library/std/src/sys/sgx/waitqueue')
| -rw-r--r-- | library/std/src/sys/sgx/waitqueue/spin_mutex.rs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/library/std/src/sys/sgx/waitqueue/spin_mutex.rs b/library/std/src/sys/sgx/waitqueue/spin_mutex.rs index d99ce895da5..9140041c584 100644 --- a/library/std/src/sys/sgx/waitqueue/spin_mutex.rs +++ b/library/std/src/sys/sgx/waitqueue/spin_mutex.rs @@ -42,7 +42,7 @@ impl<T> SpinMutex<T> { #[inline(always)] pub fn try_lock(&self) -> Option<SpinMutexGuard<'_, T>> { - if !self.lock.compare_and_swap(false, true, Ordering::Acquire) { + if self.lock.compare_exchange(false, true, Ordering::Acquire, Ordering::Acquire).is_ok() { Some(SpinMutexGuard { mutex: self }) } else { None |