func Mkdir(dirPath string, mode os.FileMode) (err error) {
	defer updateOSMetrics(osMetricMkdir, dirPath)(err)
	return os.Mkdir(dirPath, mode)
}

// MkdirAll captures time taken to call os.MkdirAll
func MkdirAll(dirPath string, mode os.FileMode, baseDir string) (err error) {
	defer updateOSMetrics(osMetricMkdirAll, dirPath)(err)
	return osMkdirAll(dirPath, mode, baseDir)
}

		t.Fatalf("expected = %s, got: %s", errFileNotFound, err)
	}

	// Only valid for linux.
	if runtime.GOOS == "linux" {
		permDir := path.Join(os.TempDir(), "perm-dir")
		if err := os.MkdirAll(permDir, os.FileMode(0o200)); err != nil {
			t.Fatal(err)
		}
		defer os.RemoveAll(permDir)

		// Check if permission denied.
		if _, err := readDir(permDir); err == nil {

// along with any necessary parents, and returns nil,
// or else returns an error.
// The permission bits perm (before umask) are used for all
// directories that MkdirAll creates.
// If path is already a directory, MkdirAll does nothing
// and returns nil.
func osMkdirAll(dirPath string, perm os.FileMode, baseDir string) error {
	if baseDir != "" {
		if strings.HasPrefix(baseDir, dirPath) {
			return nil
		}

						if name == "null" {
							name = v0
						}

						f := filemap[file][name]
						if f != "" {
							fn = f + ".data"
							err = os.MkdirAll(filepath.Dir(fn), os.ModePerm)
							if err != nil {
								fmt.Println("MkdirAll:", filepath.Dir(fn), err)
							}
							err = os.WriteFile(fn+".json", []byte(filemap[file][name+".json"]), os.ModePerm)
							combineFiles[name] = append(combineFiles[name], fn)

		entries:    make(map[string]int64, limit),
	}
}

// Open - Creates the directory if not present.
func (store *QueueStore[_]) Open() error {
	store.Lock()
	defer store.Unlock()

	if err := os.MkdirAll(store.directory, os.FileMode(0o770)); err != nil {
		return err
	}

	files, err := store.list()
	if err != nil {
		return err
	}

	for _, file := range files {
		if file.IsDir() {
			continue
		}

	if err := installSimulator(appdir); err != nil {
		return err
	}

	return runSimulator(appdir, bundleID, os.Args[2:])
}

func assembleApp(appdir, bin string) error {
	if err := os.MkdirAll(appdir, 0755); err != nil {
		return err
	}

	if err := cp(filepath.Join(appdir, "gotest"), bin); err != nil {
		return err
	}

	pkgpath, err := copyLocalData(appdir)
	if err != nil {

				t.Error("got histogram", e.ObjSizes, "want", w.oSizes)
			}
		})
	}
}

func createUsageTestFiles(t *testing.T, base, bucket string, files []usageTestFile) {
	for _, f := range files {
		err := os.MkdirAll(filepath.Dir(filepath.Join(base, bucket, f.name)), os.ModePerm)
		if err != nil {
			t.Fatal(err)
		}
		err = os.WriteFile(filepath.Join(base, bucket, f.name), make([]byte, f.size), os.ModePerm)
		if err != nil {

)

func access(name string) error {
	_, err := os.Lstat(name)
	return err
}

func osMkdirAll(dirPath string, perm os.FileMode, _ string) error {
	// baseDir is not honored in windows platform
	return os.MkdirAll(dirPath, perm)
}

// readDirFn applies the fn() function on each entries at dirPath, doesn't recurse into
// the directory itself, if the dirPath doesn't exist this function doesn't return
// an error.

	}

	w.f = f

	return nil
}

// NewDir creates a new concurrency safe Writer which performs log rotation.
func NewDir(opts Options) (io.WriteCloser, error) {
	if err := os.MkdirAll(opts.Directory, os.ModePerm); err != nil {
		return nil, fmt.Errorf("directory %v does not exist and could not be created: %w", opts.Directory, err)
	}

	if opts.FileNameFunc == nil {

pkg os, method (*Root) Chtimes(string, time.Time, time.Time) error #67002
pkg os, method (*Root) Lchown(string, int, int) error #67002
pkg os, method (*Root) Link(string, string) error #67002
pkg os, method (*Root) MkdirAll(string, fs.FileMode) error #67002
pkg os, method (*Root) ReadFile(string) ([]uint8, error) #73126
pkg os, method (*Root) Readlink(string) (string, error) #67002
pkg os, method (*Root) RemoveAll(string) error #67002