This is an automated cherry-pick of pingcap#51371

Signed-off-by: ti-chi-bot <[email protected]>

br/cmd/br/main.go

@@ -2,39 +2,17 @@ package main
 
 import (
 	"context"
-	"fmt"
 	"os"
-	"os/signal"
-	"syscall"
 
 	"github.com/pingcap/log"
+	"github.com/pingcap/tidb/br/pkg/utils"
 	"github.com/spf13/cobra"
 	"go.uber.org/zap"
 )
 
 func main() {
 	gCtx := context.Background()
-	ctx, cancel := context.WithCancel(gCtx)
-	defer cancel()
-
-	sc := make(chan os.Signal, 1)
-	signal.Notify(sc,
-		syscall.SIGHUP,
-		syscall.SIGINT,
-		syscall.SIGTERM,
-		syscall.SIGQUIT)
-
-	go func() {
-		sig := <-sc
-		fmt.Printf("\nGot signal [%v] to exit.\n", sig)
-		log.Warn("received signal to exit", zap.Stringer("signal", sig))
-		cancel()
-		fmt.Fprintln(os.Stderr, "gracefully shuting down, press ^C again to force exit")
-		<-sc
-		// Even user use SIGTERM to exit, there isn't any checkpoint for resuming,
-		// hence returning fail exit code.
-		os.Exit(1)
-	}()
+	ctx, cancel := utils.StartExitSingleListener(gCtx)
 
 	rootCmd := &cobra.Command{
 		Use:              "br",