From 401315f33750c7fa0374c00bcba8f26f8b67fe7b Mon Sep 17 00:00:00 2001
From: Konstantin Lebedev <9497591+kmlebedev@users.noreply.github.com>
Date: Wed, 12 Oct 2022 19:18:40 +0500
Subject: [PATCH] master fix interruption through ctrl+c (#3834)

---
 weed/command/master.go             | 2 +-
 weed/util/grace/signal_handling.go | 8 ++++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/weed/command/master.go b/weed/command/master.go
index a74389b1f..39dbf42ed 100644
--- a/weed/command/master.go
+++ b/weed/command/master.go
@@ -255,7 +255,7 @@ func startMaster(masterOption MasterOptions, masterWhiteList []string) {
 	}
 
 	grace.OnInterrupt(ms.Shutdown)
-	grace.OnInterrupt(grpcS.GracefulStop)
+	grace.OnInterrupt(grpcS.Stop)
 	grace.OnReload(func() {
 		if ms.Topo.HashicorpRaft != nil && ms.Topo.HashicorpRaft.State() == hashicorpRaft.Leader {
 			ms.Topo.HashicorpRaft.LeadershipTransfer()
diff --git a/weed/util/grace/signal_handling.go b/weed/util/grace/signal_handling.go
index 14b998796..0fc0f43e1 100644
--- a/weed/util/grace/signal_handling.go
+++ b/weed/util/grace/signal_handling.go
@@ -4,8 +4,11 @@
 package grace
 
 import (
+	"github.com/seaweedfs/seaweedfs/weed/glog"
 	"os"
 	"os/signal"
+	"reflect"
+	"runtime"
 	"sync"
 	"syscall"
 )
@@ -16,6 +19,10 @@ var interruptHookLock sync.RWMutex
 var reloadHooks = make([]func(), 0)
 var reloadHookLock sync.RWMutex
 
+func GetFunctionName(i interface{}) string {
+	return runtime.FuncForPC(reflect.ValueOf(i).Pointer()).Name()
+}
+
 func init() {
 	signalChan = make(chan os.Signal, 1)
 	signal.Notify(signalChan,
@@ -38,6 +45,7 @@ func init() {
 			} else {
 				interruptHookLock.RLock()
 				for _, hook := range interruptHooks {
+					glog.V(4).Infof("exec interrupt hook func name:%s", GetFunctionName(hook))
 					hook()
 				}
 				interruptHookLock.RUnlock()