initial import

core/errorx/atomicerror.go

@@ -0,0 +1,21 @@
+package errorx
+
+import "sync"
+
+type AtomicError struct {
+	err  error
+	lock sync.Mutex
+}
+
+func (ae *AtomicError) Set(err error) {
+	ae.lock.Lock()
+	ae.err = err
+	ae.lock.Unlock()
+}
+
+func (ae *AtomicError) Load() error {
+	ae.lock.Lock()
+	err := ae.err
+	ae.lock.Unlock()
+	return err
+}