# `GSLayer lockReadHints`

*Instance Method*

Acquires the read lock for hints.

## Declaration

```swift
func lockReadHints()
```

```objc
- (void) lockReadHints;
```

```python
lockReadHints()
```

## See Also

### Hint Locks

- [`GSLayer unlockReadHints`](/Core/GlyphsCore/GSLayer/unlockReadHints) — Releases the read lock for hints.
- [`GSLayer lockWriteHints`](/Core/GlyphsCore/GSLayer/lockWriteHints) — Acquires the write lock for hints.
- [`GSLayer unlockWriteHints`](/Core/GlyphsCore/GSLayer/unlockWriteHints) — Releases the write lock for hints.