阶段性提交

pkg/serverconfigs/shared/locker.go

@@ -0,0 +1,21 @@
+package shared
+
+import (
+	"sync"
+)
+
+var Locker = new(FileLocker)
+
+// global file modify locker
+type FileLocker struct {
+	locker sync.Mutex
+}
+
+// lock
+func (this *FileLocker) Lock() {
+	this.locker.Lock()
+}
+
+func (this *FileLocker) Unlock() {
+	this.locker.Unlock()
+}