}
	}
}

var (
	sendUncaughtSighup = flag.Int("send_uncaught_sighup", 0, "send uncaught SIGHUP during TestStop")
	dieFromSighup      = flag.Bool("die_from_sighup", false, "wait to die from uncaught SIGHUP")
)

// Test that Stop cancels the channel's registrations.
func TestStop(t *testing.T) {
	sigs := []syscall.Signal{
		syscall.SIGWINCH,