}
	var buf [32]byte
	r := runtime.Read(-1, unsafe.Pointer(&buf[0]), int32(len(buf)))
	if got, want := r, -int32(syscall.EBADF); got != want {
		t.Errorf("read()=%d, want %d", got, want)
	}
	w := runtime.Write(^uintptr(0), unsafe.Pointer(&buf[0]), int32(len(buf)))
	if got, want := w, -int32(syscall.EBADF); got != want {
		t.Errorf("write()=%d, want %d", got, want)
	}
	c := runtime.Close(-1)
	if c != -1 {

	EADDRINUSE      = syscall.Errno(0x43)
	EADDRNOTAVAIL   = syscall.Errno(0x44)
	EAFNOSUPPORT    = syscall.Errno(0x42)
	EAGAIN          = syscall.Errno(0xb)
	EALREADY        = syscall.Errno(0x38)
	EBADF           = syscall.Errno(0x9)
	EBADMSG         = syscall.Errno(0x78)
	EBUSY           = syscall.Errno(0x10)
	ECANCELED       = syscall.Errno(0x75)
	ECHILD          = syscall.Errno(0xa)

	EADV            = syscall.Errno(0x44)
	EAFNOSUPPORT    = syscall.Errno(0x7c)
	EAGAIN          = syscall.Errno(0xb)
	EALREADY        = syscall.Errno(0x95)
	EBADE           = syscall.Errno(0x32)
	EBADF           = syscall.Errno(0x9)
	EBADFD          = syscall.Errno(0x51)
	EBADMSG         = syscall.Errno(0x4d)
	EBADR           = syscall.Errno(0x33)
	EBADRQC         = syscall.Errno(0x36)

var filesMu sync.Mutex
var files = map[int]*jsFile{
	0: {},
	1: {},
	2: {},
}

func fdToFile(fd int) (*jsFile, error) {
	filesMu.Lock()
	f, ok := files[fd]
	filesMu.Unlock()
	if !ok {
		return nil, EBADF
	}
	return f, nil
}

func Open(path string, openmode int, perm uint32) (int, error) {
	if err := checkPath(path); err != nil {
		return 0, err
	}

	flags := 0
	if openmode&O_WRONLY != 0 {

	EADDRINUSE      = syscall.Errno(0x43)
	EADDRNOTAVAIL   = syscall.Errno(0x44)
	EAFNOSUPPORT    = syscall.Errno(0x42)
	EAGAIN          = syscall.Errno(0xb)
	EALREADY        = syscall.Errno(0x38)
	EBADF           = syscall.Errno(0x9)
	EBADMSG         = syscall.Errno(0x78)
	EBUSY           = syscall.Errno(0x10)
	ECANCELED       = syscall.Errno(0x75)
	ECHILD          = syscall.Errno(0xa)

	EAGAIN          = syscall.Errno(0x23)
	EALREADY        = syscall.Errno(0x25)
	EAUTH           = syscall.Errno(0x50)
	EBADARCH        = syscall.Errno(0x56)
	EBADEXEC        = syscall.Errno(0x55)
	EBADF           = syscall.Errno(0x9)
	EBADMACHO       = syscall.Errno(0x58)
	EBADMSG         = syscall.Errno(0x5e)
	EBADRPC         = syscall.Errno(0x48)
	EBUSY           = syscall.Errno(0x10)

	EADDRNOTAVAIL   = syscall.Errno(0x31)
	EAFNOSUPPORT    = syscall.Errno(0x2f)
	EAGAIN          = syscall.Errno(0x23)
	EALREADY        = syscall.Errno(0x25)
	EAUTH           = syscall.Errno(0x50)
	EBADF           = syscall.Errno(0x9)
	EBADMSG         = syscall.Errno(0x5c)
	EBADRPC         = syscall.Errno(0x48)
	EBUSY           = syscall.Errno(0x10)
	ECANCELED       = syscall.Errno(0x58)

	EADDRNOTAVAIL   = syscall.Errno(0x31)
	EAFNOSUPPORT    = syscall.Errno(0x2f)
	EAGAIN          = syscall.Errno(0x23)
	EALREADY        = syscall.Errno(0x25)
	EAUTH           = syscall.Errno(0x50)
	EBADF           = syscall.Errno(0x9)
	EBADMSG         = syscall.Errno(0x58)
	EBADRPC         = syscall.Errno(0x48)
	EBUSY           = syscall.Errno(0x10)
	ECANCELED       = syscall.Errno(0x57)

	EAFNOSUPPORT    = syscall.Errno(0x2f)
	EAGAIN          = syscall.Errno(0x23)
	EALREADY        = syscall.Errno(0x25)
	EASYNC          = syscall.Errno(0x63)
	EAUTH           = syscall.Errno(0x50)
	EBADF           = syscall.Errno(0x9)
	EBADMSG         = syscall.Errno(0x59)
	EBADRPC         = syscall.Errno(0x48)
	EBUSY           = syscall.Errno(0x10)
	ECANCELED       = syscall.Errno(0x55)

	EADDRNOTAVAIL   = syscall.Errno(0x31)
	EAFNOSUPPORT    = syscall.Errno(0x2f)
	EAGAIN          = syscall.Errno(0x23)
	EALREADY        = syscall.Errno(0x25)
	EAUTH           = syscall.Errno(0x50)
	EBADF           = syscall.Errno(0x9)
	EBADMSG         = syscall.Errno(0x5c)
	EBADRPC         = syscall.Errno(0x48)
	EBUSY           = syscall.Errno(0x10)
	ECANCELED       = syscall.Errno(0x58)