# `GSFont lockReadGlyphs`

*Instance Method*

Acquires shared read access to the glyph collection.

## Declaration

```swift
func lockReadGlyphs()
```

```objc
- (void) lockReadGlyphs;
```

```python
lockReadGlyphs()
```

## Discussion

Balance this with [`GSFont unlockReadGlyphs`](/Core/GlyphsCore/GSFont/unlockReadGlyphs).

## See Also

### Glyph Locking

- [`GSFont unlockReadGlyphs`](/Core/GlyphsCore/GSFont/unlockReadGlyphs) — Releases shared read access to the glyph collection.
- [`GSFont lockWriteGlyphs`](/Core/GlyphsCore/GSFont/lockWriteGlyphs) — Acquires exclusive write access to the glyph collection.
- [`GSFont unlockWriteGlyphs`](/Core/GlyphsCore/GSFont/unlockWriteGlyphs) — Releases exclusive write access to the glyph collection.