utils: update atomic2.Int64

pkg/utils/sync2/atomic2/atomic64.go

@@ -5,32 +5,30 @@ package atomic2
 
 import "sync/atomic"
 
-type Int64 struct {
-	v int64
-}
+type Int64 int64
 
 func (a *Int64) Int64() int64 {
-	return atomic.LoadInt64(&a.v)
+	return atomic.LoadInt64((*int64)(a))
 }
 
 func (a *Int64) AsInt() int {
 	return int(a.Int64())
 }
 
 func (a *Int64) Set(v int64) {
-	atomic.StoreInt64(&a.v, v)
+	atomic.StoreInt64((*int64)(a), v)
 }
 
 func (a *Int64) CompareAndSwap(o, n int64) bool {
-	return atomic.CompareAndSwapInt64(&a.v, o, n)
+	return atomic.CompareAndSwapInt64((*int64)(a), o, n)
 }
 
 func (a *Int64) Swap(v int64) int64 {
-	return atomic.SwapInt64(&a.v, v)
+	return atomic.SwapInt64((*int64)(a), v)
 }
 
 func (a *Int64) Add(v int64) int64 {
-	return atomic.AddInt64(&a.v, v)
+	return atomic.AddInt64((*int64)(a), v)
 }
 
 func (a *Int64) Sub(v int64) int64 {