// would deschedule the goroutine instead.
		ts := syscall.NsecToTimespec(d.Nanoseconds())
		for {
			if err := syscall.Nanosleep(&ts, &ts); err != syscall.EINTR {
				return
			}
		}
	}
}

func TestLockOSThread(t *testing.T) {
	if pid != tid {
		t.Fatalf("pid=%d but tid=%d", pid, tid)
	}
}

// Test that error values are negative.
// Use a misaligned pointer to get -EINVAL.
func TestMincoreErrorSign(t *testing.T) {