---
title: signal
framework: dispatch
role: symbol
role_heading: Type Property
path: dispatch/dispatchsource/processevent/signal
---

# signal

The process received a UNIX signal.

## Declaration

```swift
static let signal: DispatchSource.ProcessEvent
```

## See Also

### Process Event Flags

- [all](dispatch/dispatchsource/processevent/all.md)
- [exec](dispatch/dispatchsource/processevent/exec.md)
- [exit](dispatch/dispatchsource/processevent/exit.md)
- [fork](dispatch/dispatchsource/processevent/fork.md)