# HandleableSignal
<span class="source-link">[[Source]](src/signals/handleable_signal.md#L-0-100)</span>

A signal number that has been validated as handleable on this platform.
Required by `SignalHandler`; obtain one from `MakeHandleableSignal`.


```pony
type HandleableSignal is
  Constrained[U32 val, HandleableSignalValidator val] val
```

#### Type Alias For

* [Constrained](constrained_types-Constrained.md)\[[U32](builtin-U32.md) val, [HandleableSignalValidator](signals-HandleableSignalValidator.md) val\] val

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