---
title: IOServiceOrdering
framework: kernel
role: symbol
role_heading: Function
path: kernel/1532621-ioserviceordering
---

# IOServiceOrdering

## Declaration

```occ
SInt32 IOServiceOrdering(const OSMetaClassBase *inObj1, const OSMetaClassBase *inObj2, void *ref);
```

## See Also

### Utilities

- [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)
- [DriverOSService](kernel/driverosservice.md)
- [DriverServiceInfo](kernel/driverserviceinfo.md)
- [DriverType](kernel/drivertype.md)