diff --git a/internal/pkg/impl/sync.go b/internal/pkg/impl/sync.go
new file mode 100644
index 0000000..65f5c35
--- /dev/null
+++ b/internal/pkg/impl/sync.go
@@ -0,0 +1,35 @@
+/*
+ Copyright 2017 the original author or authors.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+package impl
+
+import "sync"
+
+var syncChan chan bool
+var isDirty bool
+
+var runOnce sync.Once
+
+func getSyncChannel() chan bool {
+	runOnce.Do(func() {
+		syncChan = make(chan bool, 1)
+		syncChan <- true
+	})
+
+	return syncChan
+}
+func done(myChan chan bool, done bool) {
+	myChan <- done
+}