---
title: FSCompleteIOFlags
framework: fskit
role: symbol
role_heading: Structure
path: fskit/fscompleteioflags
---

# FSCompleteIOFlags

Flags that describe the behavior of an I/O completion operation.

## Declaration

```swift
struct FSCompleteIOFlags
```

## Overview

Overview This type is an option set in Swift. In Objective-C, the cases of this enumeration combine to create a bit field.

## Topics

### Declaring I/O completion behaviors

- [read](fskit/fscompleteioflags/read.md)
- [write](fskit/fscompleteioflags/write.md)
- [async](fskit/fscompleteioflags/async.md)

### Working with raw values

- [init(rawValue:)](fskit/fscompleteioflags/init(rawvalue:).md)

## Relationships

### Conforms To

- [BitwiseCopyable](swift/bitwisecopyable.md)
- [Equatable](swift/equatable.md)
- [ExpressibleByArrayLiteral](swift/expressiblebyarrayliteral.md)
- [OptionSet](swift/optionset.md)
- [RawRepresentable](swift/rawrepresentable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)
- [SetAlgebra](swift/setalgebra.md)

## See Also

### Supporting types

- [FSBlockmapFlags](fskit/fsblockmapflags.md)
- [FSEntityIdentifier](fskit/fsentityidentifier.md)
- [FSExtentPacker](fskit/fsextentpacker.md)
- [FSExtentType](fskit/fsextenttype.md)
- [FSMatchResult](fskit/fsmatchresult.md)
- [FSMetadataRange](fskit/fsmetadatarange.md)
- [FSProbeResult](fskit/fsproberesult.md)