From 58ca9615b99417b76118b606be956185ea5894f9 Mon Sep 17 00:00:00 2001
From: Christian Cunningham <c@localhost>
Date: Fri, 26 Aug 2022 19:00:35 -0700
Subject: Ordering

---
 src/sync.rs | 22 ++++++++++++++--------
 1 file changed, 14 insertions(+), 8 deletions(-)

(limited to 'src')

diff --git a/src/sync.rs b/src/sync.rs
index e0a8767..8c20071 100644
--- a/src/sync.rs
+++ b/src/sync.rs
@@ -124,24 +124,30 @@ impl<T> interface::Mutex for SpinLock<T> {
             // Loop until acquired the lock
             match self
                 .lock
-                .compare_exchange(false, true, Ordering::Acquire, Ordering::Acquire)
+                .compare_exchange(false, true, Ordering::Acquire, Ordering::Relaxed)
             {
                 Ok(false) => {
                     break;
                 }
-                Ok(true) => {
-                }
-                Err(true) => {
-                    break;
-                }
-                Err(false) => {}
+		_ => {}
             }
         }
         let data = unsafe { &mut *self.data.get() };
 
         let res = f(data);
         // Release the lock after finished with the underlying data
-        self.lock.store(false, Ordering::Release);
+        loop {
+            // Loop until acquired the lock
+            match self
+                .lock
+                .compare_exchange(true, false, Ordering::Release, Ordering::Relaxed)
+            {
+                Ok(false) => {
+                    break;
+                }
+		_ => {}
+            }
+        }
         res
     }
 }
-- 
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