package main import ( "context" "log" "net/http" "os" "os/signal" "syscall" "time" "github.com/gin-gonic/gin" ) func main() { router := gin.Default() router.GET("/", func(c *gin.Context) { time.Sleep(5 * time.Second) c.String(http.StatusOK, "Welcome Gin Server") }) srv := &http.Server{ Addr: ":8080", Handler: router, } go func() { // service connections if err := srv.ListenAndServe(); err != nil && err != http.ErrServerClosed { log.Fatalf("listen: %s\n", err) } }() // Wait for interrupt signal to gracefully shutdown the server with // a timeout of 5 seconds. quit := make(chan os.Signal) // kill (no param) default send syscanll.SIGTERM // kill -2 is syscall.SIGINT // kill -9 is syscall. SIGKILL but can"t be catch, so don't need add it signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM) <-quit log.Println("Shutdown Server ...") ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second) defer cancel() if err := srv.Shutdown(ctx); err != nil { log.Fatal("Server Shutdown:", err) } // catching ctx.Done(). timeout of 5 seconds. select { case <-ctx.Done(): log.Println("timeout of 5 seconds.") } log.Println("Server exiting") }
标签:http,err,syscall,优雅,kill,func,退出,gin From: https://www.cnblogs.com/wlike/p/16825811.html