return err
}

func Getcwd(buf []byte) (n int, err error) {
	defer recoverErr(&err)
	cwd := jsProcess.Call("cwd").String()
	n = copy(buf, cwd)
	return
}

func Chdir(path string) (err error) {
	if err := checkPath(path); err != nil {
		return err
	}
	defer recoverErr(&err)
	jsProcess.Call("chdir", path)
	return
}

func Fchdir(fd int) error {

}

func Geteuid() int {
	return jsProcess.Call("geteuid").Int()
}

func Getegid() int {
	return jsProcess.Call("getegid").Int()
}

func Getgroups() (groups []int, err error) {
	defer recoverErr(&err)
	array := jsProcess.Call("getgroups")
	groups = make([]int, array.Length())
	for i := range groups {
		groups[i] = array.Index(i).Int()
	}
	return groups, nil
}

func Getpid() int {