---
title: ServiceAsync
framework: kernel
role: pseudoSymbol
path: kernel/iobasicoutputqueue/serviceasync
---

# ServiceAsync

The option bits recognized by service().

## Declaration

```occ
enum {
   kServiceAsync = 0x1
};
```

## Topics

### Constants

- [kServiceAsync](kernel/iobasicoutputqueue/serviceasync/kserviceasync.md)