test

seqlock/seq_test.go

@@ -15,7 +15,6 @@ package node
 
 import (
 	"runtime"
-	"sync"
 	"sync/atomic"
 	"testing"
 	"time"
@@ -27,24 +26,19 @@ type Node[K comparable, V any] struct {
 	lock  atomic.Uint32
 }
 
-var q sync.Mutex
+var l atomic.Uint32
 
 func (n *Node[K, V]) Value() V {
 	for {
 		seq := n.lock.Load()
-		q.TryLock()
 		if seq&1 != 0 {
 			runtime.Gosched()
 			continue
 		}
 
-		t := q.TryLock()
 		value := n.value
-		if t {
-			q.Unlock()
-		}
 
-		q.TryLock()
+		l.CompareAndSwap(0, 0)
 		if seq == n.lock.Load() {
 			return value
 		}