[fix]: call runtime.Gosched() to allow waitgroup.Wait to run when on hammerTime

Author: daizongxyz

endless.go

@@ -10,6 +10,7 @@ import (
  "os"
  "os/exec"
  "os/signal"
+ "runtime"
  "strings"
  "sync"
  "syscall"
@@ -403,6 +404,7 @@ func (srv *endlessServer) hammerTime(d time.Duration) {
  break
 		}
  srv.wg.Done()
+ runtime.Gosched()
 	}
 }