Introduce a ctr wide constant

HuKeping · HuKeping · commit 165815fdbffd · 2016-04-26T06:01:25.000-04:00
Signed-off-by: Hu Keping &lt;hukeping@huawei.com&gt;
diff --git a/ctr/const.go b/ctr/const.go
@@ -0,0 +1,10 @@
+package main
+
+// ctr wide constants
+const (
+	// ExitStatusOK indicates successful completion
+	ExitStatusOK = 0
+
+	// ExitStatusMissingArg indicates failure due to missing argument(s)
+	ExitStatusMissingArg = 1
+)
