---
title: AsyncIO
framework: kernel
role: symbol
role_heading: Instance Method
path: kernel/iousbhostpipe/3294687-asyncio
---

# AsyncIO

## Declaration

```occ
kern_return_t AsyncIO(IOMemoryDescriptor *dataBuffer, uint32_t dataBufferLength, OSAction *completion, uint32_t completionTimeoutMs, OSDispatchMethod supermethod);
```