fmt it and remove the init var

grace/grace.go

@@ -53,18 +53,17 @@ import (
 )
 
 const (
-// PreSignal is the position to add filter before signal
+	// PreSignal is the position to add filter before signal
 	PreSignal = iota
-// PostSignal is the position to add filter after signal
+	// PostSignal is the position to add filter after signal
 	PostSignal
-
-// StateInit represent the application inited
+	// StateInit represent the application inited
 	StateInit
-// StateRunning represent the application is running
+	// StateRunning represent the application is running
 	StateRunning
-// StateShuttingDown represent the application is shutting down
+	// StateShuttingDown represent the application is shutting down
 	StateShuttingDown
-// StateTerminate represent the application is killed
+	// StateTerminate represent the application is killed
 	StateTerminate
 )
 
@@ -75,24 +74,20 @@ var (
 	socketPtrOffsetMap   map[string]uint
 	runningServersForked bool
 
-// DefaultReadTimeOut is the HTTP read timeout
+	// DefaultReadTimeOut is the HTTP read timeout
 	DefaultReadTimeOut time.Duration
-// DefaultWriteTimeOut is the HTTP Write timeout
+	// DefaultWriteTimeOut is the HTTP Write timeout
 	DefaultWriteTimeOut time.Duration
-// DefaultMaxHeaderBytes is the Max HTTP Herder size, default is 0, no limit
+	// DefaultMaxHeaderBytes is the Max HTTP Herder size, default is 0, no limit
 	DefaultMaxHeaderBytes int
-// DefaultTimeout is the shutdown server's timeout. default is 60s
-	DefaultTimeout time.Duration
+	// DefaultTimeout is the shutdown server's timeout. default is 60s
+	DefaultTimeout = 60 * time.Second
 
-	isChild bool
+	isChild     bool
 	socketOrder string
-	once sync.Once
+	once        sync.Once
 )
 
-func init() {
-	DefaultMaxHeaderBytes = 0
-	DefaultTimeout = 60 * time.Second
-}
 func onceInit() {
 	regLock = &sync.Mutex{}
 	flag.BoolVar(&isChild, "graceful", false, "listen on open fd (after forking)")