func handleSignal(app tunnel.Service) {
c := make(chan os.Signal, 1)
signal.Notify(c, syscall.SIGHUP)
for sig := range c {
switch sig {
case syscall.SIGHUP:
app.Status()
tunnel.Log("total goroutines:%d", runtime.NumGoroutine())
default:
tunnel.Log("catch signal:%v, exit", sig)
os.Exit(1)
}
}
}
