---
title: CFRunLoopSourceContext1
framework: corefoundation
role: symbol
role_heading: Structure
path: corefoundation/cfrunloopsourcecontext1
---

# CFRunLoopSourceContext1

A structure that contains program-defined data and callbacks with which you can configure a version 1 CFRunLoopSource’s behavior.

## Declaration

```swift
struct CFRunLoopSourceContext1
```

## Topics

### Initializers

- [init()](corefoundation/cfrunloopsourcecontext1/init().md)
- [init(version:info:retain:release:copyDescription:equal:hash:getPort:perform:)](corefoundation/cfrunloopsourcecontext1/init(version:info:retain:release:copydescription:equal:hash:getport:perform:).md)

### Instance Properties

- [copyDescription](corefoundation/cfrunloopsourcecontext1/copydescription.md)
- [equal](corefoundation/cfrunloopsourcecontext1/equal.md)
- [getPort](corefoundation/cfrunloopsourcecontext1/getport.md)
- [hash](corefoundation/cfrunloopsourcecontext1/hash.md)
- [info](corefoundation/cfrunloopsourcecontext1/info.md)
- [perform](corefoundation/cfrunloopsourcecontext1/perform.md)
- [release](corefoundation/cfrunloopsourcecontext1/release.md)
- [retain](corefoundation/cfrunloopsourcecontext1/retain.md)
- [version](corefoundation/cfrunloopsourcecontext1/version.md)

## Relationships

### Conforms To

- [BitwiseCopyable](swift/bitwisecopyable.md)

## See Also

### Data Types

- [CFRunLoopSourceContext](corefoundation/cfrunloopsourcecontext.md)