<!--
{
  "availability" : [
    "DriverKit: 19.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "USBDriverKit",
  "identifier" : "/documentation/USBDriverKit/IOUSBAbortOptions",
  "metadataVersion" : "0.1.0",
  "role" : "Enumeration",
  "symbol" : {
    "kind" : "Enumeration",
    "modules" : [
      "USBDriverKit"
    ],
    "preciseIdentifier" : "c:@E@IOUSBAbortOptions"
  },
  "title" : "IOUSBAbortOptions"
}
-->

# IOUSBAbortOptions

Options to use when aborting an I/O request.

```
enum IOUSBAbortOptions : unsigned int;
```

## Topics

### Getting the Options

[`kIOUSBAbortAsynchronous`](/documentation/USBDriverKit/IOUSBAbortOptions/kIOUSBAbortAsynchronous)

Enqueue the abort request and return immediately.

[`kIOUSBAbortSynchronous`](/documentation/USBDriverKit/IOUSBAbortOptions/kIOUSBAbortSynchronous)

Enqueue the abort request and wait for it to finish.



---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)