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  "documentType" : "symbol",
  "framework" : "DriverKit",
  "identifier" : "/documentation/DriverKit/OSObject",
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# OSObject

The base class for DriverKit objects

```
class OSObject;
```

## Topics

### Managing the Object Lifecycle

[`virtual bool init();`](/documentation/DriverKit/OSObject/init)

[`virtual void retain() const;`](/documentation/DriverKit/OSObject/retain)

Retains the OSObject instance

[`virtual void release() const;`](/documentation/DriverKit/OSObject/release)

Releases the OSObject instance

[`virtual void free();`](/documentation/DriverKit/OSObject/free)

[`typedef OSObject * OSObjectPtr;`](/documentation/DriverKit/OSObjectPtr)

[`typedef uint64_t OSObjectRef;`](/documentation/DriverKit/OSObjectRef)

### Managing an Object’s Dispatch Queue

[`virtual kern_return_t SetDispatchQueue(const IODispatchQueueName name, IODispatchQueue *queue);`](/documentation/DriverKit/OSObject/SetDispatchQueue)

[`virtual kern_return_t CopyDispatchQueue(const IODispatchQueueName name, IODispatchQueue **queue);`](/documentation/DriverKit/OSObject/CopyDispatchQueue)

## Relationships

### Inherited By

[`IOEventLink`](/documentation/DriverKit/IOEventLink)

[`IOService`](/documentation/DriverKit/IOService)

[`IOReporter`](/documentation/DriverKit/IOReporter)

[`IOMemoryMap`](/documentation/DriverKit/IOMemoryMap)

[`OSContainer`](/documentation/DriverKit/OSContainer)

[`OSMappedFile`](/documentation/DriverKit/OSMappedFile)

[`OSBundle`](/documentation/DriverKit/OSBundle)

[`OSAction`](/documentation/DriverKit/OSAction)

[`IOCommandPool`](/documentation/DriverKit/IOCommandPool)

[`IODMACommand`](/documentation/DriverKit/IODMACommand)

[`IOExtensiblePaniclog`](/documentation/DriverKit/IOExtensiblePaniclog)

[`IODispatchSource`](/documentation/DriverKit/IODispatchSource)

[`IOReportLegend`](/documentation/DriverKit/IOReportLegend)

[`IOCommand`](/documentation/DriverKit/IOCommand)

[`IODispatchQueue`](/documentation/DriverKit/IODispatchQueue)

[`IOMemoryDescriptor`](/documentation/DriverKit/IOMemoryDescriptor)

[`IOWorkGroup`](/documentation/DriverKit/IOWorkGroup)

### Inherits From

[`OSMetaClassBase`](/documentation/DriverKit/OSMetaClassBase)

---

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