// Some runtime tests send SIGWINCH to the entire process group, so those tests
// must never run in parallel with GDB tests.
//
// See issue 39021 and https://sourceware.org/bugzilla/show_bug.cgi?id=26056.

func checkGdbEnvironment(t *testing.T) {
	testenv.MustHaveGoBuild(t)
	switch runtime.GOOS {
	case "darwin":
		t.Skip("gdb does not work on darwin")
	case "netbsd":