}

func runtime_args() []string // in package runtime

// Getuid returns the numeric user id of the caller.
//
// On Windows, it returns -1.
func Getuid() int { return syscall.Getuid() }

// Geteuid returns the numeric effective user id of the caller.
//
// On Windows, it returns -1.
func Geteuid() int { return syscall.Geteuid() }

// Getgid returns the numeric group id of the caller.
//
// On Windows, it returns -1.

package runtime

// secureMode is only ever mutated in schedinit, so we don't need to worry about
// synchronization primitives.
var secureMode bool

func initSecureMode() {
	secureMode = !(getuid() == geteuid() && getgid() == getegid())
}

func isSecureMode() bool {
	return secureMode

func getgid() int32 {
	r, errno := syscall0(&libc_getgid)
	if errno != 0 {
		print("getgid failed ", errno)
		throw("getgid")
	}
	return int32(r)
}

//go:nosplit
func getegid() int32 {
	r, errno := syscall0(&libc_getegid)
	if errno != 0 {
		print("getegid failed ", errno)
		throw("getegid")
	}
	return int32(r)

	Threads    int    `json:"threads"`
	Goroutines int    `json:"goroutines"`
}

func getProcInfo() *procInfo {
	pi := procInfo{
		Egid:       os.Getegid(),
		Euid:       os.Geteuid(),
		GID:        os.Getgid(),
		Pid:        os.Getpid(),
		Ppid:       os.Getppid(),
		UID:        os.Getuid(),
		TempDir:    os.TempDir(),
		Goroutines: runtime.NumGoroutine(),
	}

	pi.Groups, _ = os.Getgroups()
	pi.Wd, _ = os.Hostname()

}

const ImplementsGetwd = true

func Getwd() (wd string, err error) {
	var buf [PathMax]byte
	n, err := Getcwd(buf[0:])
	if err != nil {
		return "", err
	}
	return string(buf[:n]), nil
}

func Getuid() int {
	return jsProcess.Call("getuid").Int()
}

func Getgid() int {
	return jsProcess.Call("getgid").Int()
}

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

}

func currentUID() string {
	if id := os.Getuid(); id >= 0 {
		return strconv.Itoa(id)
	}
	// Note: Windows returns -1, but this file isn't used on
	// Windows anyway, so this empty return path shouldn't be
	// used.
	return ""
}

func currentGID() string {
	if id := os.Getgid(); id >= 0 {
		return strconv.Itoa(id)
	}
	return ""

			}
			switch err {
			case syscall.EPERM, syscall.EINVAL:
			default:
				t.Fatalf("WriteMsgUnix failed with %v, want EPERM or EINVAL", err)
			}
		}

		ucred.Pid = int32(os.Getpid())
		ucred.Uid = uint32(os.Getuid())
		ucred.Gid = uint32(os.Getgid())
		oob := syscall.UnixCredentials(&ucred)

		// On SOCK_STREAM, this is internally going to send a dummy byte
		n, oobn, err := cli.(*net.UnixConn).WriteMsgUnix(nil, oob, nil)

}

func TestCloneNEWUSERAndRemap(t *testing.T) {
	for _, setgroups := range []bool{false, true} {
		setgroups := setgroups
		t.Run(fmt.Sprintf("setgroups=%v", setgroups), func(t *testing.T) {
			uid := os.Getuid()
			gid := os.Getgid()

			cmd := whoamiNEWUSER(t, uid, gid, setgroups)
			out, err := cmd.CombinedOutput()
			t.Logf("%v: %v", cmd, err)

			if uid != 0 && setgroups {

	defer f.Close()
	dir, err := f.Stat()
	if err != nil {
		t.Fatalf("stat %s: %s", f.Name(), err)
	}

	// Can't change uid unless root, but can try
	// changing the group id. First try our current group.
	gid := Getgid()
	t.Log("gid:", gid)
	if err = Chown(f.Name(), -1, gid); err != nil {
		t.Fatalf("chown %s -1 %d: %s", f.Name(), gid, err)
	}
	sys := dir.Sys().(*syscall.Stat_t)
	checkUidGid(t, f.Name(), int(sys.Uid), gid)

//sys	Fstatfs(fd int, buf *Statfs_t) (err error)
//sys	Ftruncate(fd int, length int64) (err error)
//sysnb	Getegid() (egid int)
//sysnb	Geteuid() (euid int)
//sysnb	Getgid() (gid int)
//sysnb	Getrlimit(resource int, rlim *Rlimit) (err error)
//sysnb	Getuid() (uid int)
//sys	Lchown(path string, uid int, gid int) (err error)
//sys	Listen(s int, n int) (err error)