Initializes a buffer map object to manage access to the specified memory.
- iOS 9.0+
- macOS 10.11+
- tvOS 9.0+
- Model I/O
A pointer to the data buffer to be managed by the buffer map.
Model I/O calls this block when the buffer map object is deallocated. Use this block to unmap a shared buffer or perform other cleanup tasks.
The block has no parameters and no return value.
A new buffer map object.