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# IOExtensiblePaniclog

```
class IOExtensiblePaniclog;
```

## Topics

### Instance Methods

[`virtual kern_return_t AppendData(OSData *data);`](/documentation/DriverKit/IOExtensiblePaniclog/AppendData)

[`virtual kern_return_t ClaimBuffer(uint64_t *addr, uint64_t *len);`](/documentation/DriverKit/IOExtensiblePaniclog/ClaimBuffer)

[`virtual kern_return_t CopyMemoryDescriptor(IOBufferMemoryDescriptor **mem);`](/documentation/DriverKit/IOExtensiblePaniclog/CopyMemoryDescriptor)

[`virtual kern_return_t InsertData(OSData *data);`](/documentation/DriverKit/IOExtensiblePaniclog/InsertData)

[`virtual kern_return_t SetActive();`](/documentation/DriverKit/IOExtensiblePaniclog/SetActive)

[`virtual kern_return_t SetInactive();`](/documentation/DriverKit/IOExtensiblePaniclog/SetInactive)

[`virtual kern_return_t SetUsedLen(uint32_t used_len);`](/documentation/DriverKit/IOExtensiblePaniclog/SetUsedLen)

[`virtual kern_return_t YieldBuffer(uint32_t used_len);`](/documentation/DriverKit/IOExtensiblePaniclog/YieldBuffer)

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

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

### Type Methods

[`static kern_return_t Create(OSData *uuid, OSString *data_id, uint32_t max_len, uint32_t options, IOExtensiblePaniclog **out);`](/documentation/DriverKit/IOExtensiblePaniclog/Create)

## Relationships

### Inherits From

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

---

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