---
title: DriverOSService
framework: kernel
role: symbol
role_heading: Structure
path: kernel/driverosservice
---

# DriverOSService

## Declaration

```occ
typedef struct DriverOSService {
    ...
} DriverOSService;
```

## Topics

### Instance Properties

- [nServices](kernel/driverosservice/1401389-nservices.md)
- [service](kernel/driverosservice/1401534-service.md)

## See Also

### Utilities

- [IOServiceOrdering](kernel/1532621-ioserviceordering.md)
- [IOFixedDivide](kernel/1575297-iofixeddivide.md)
- [IOFixedMultiply](kernel/1575302-iofixedmultiply.md)
- [IOAlignmentToSize](kernel/1575292-ioalignmenttosize.md)
- [IOSizeToAlignment](kernel/1575319-iosizetoalignment.md)
- [OSSynchronizeIO](kernel/1576454-ossynchronizeio.md)
- [DriverDescription](kernel/driverdescription.md)
- [DriverOSRuntime](kernel/driverosruntime.md)
- [DriverServiceInfo](kernel/driverserviceinfo.md)
- [DriverType](kernel/drivertype.md)