}

	cancel()
}

func BenchmarkSendFile(b *testing.B) {
	if runtime.GOOS == "windows" {
		// TODO(panjf2000): Windows has not yet implemented FileConn,
		//		remove this when it's implemented in https://go.dev/issues/9503.
		b.Skipf("skipping on %s", runtime.GOOS)
	}

	b.Run("file-to-tcp", func(b *testing.B) { benchmarkSendFile(b, "tcp") })