---
title: timerEventSource
framework: kernel
role: pseudoSymbol
path: kernel/iotimereventsource/1809672-timereventsource
---

# timerEventSource

Allocates and returns an initialized timer instance.

## Declaration

```occ
static IOTimerEventSource * timerEventSource(
 OSObject *owner,
 Action action = 0); 
```

## Parameters

- `owner`:
- `action`:

## See Also

### Miscellaneous

- [cancelTimeout](kernel/iotimereventsource/1809565-canceltimeout.md)
- [disable](kernel/iotimereventsource/1809571-disable.md)
- [enable](kernel/iotimereventsource/1809577-enable.md)
- [free](kernel/iotimereventsource/1809588-free.md)
- [init](kernel/iotimereventsource/1809597-init.md)
- [setTimeout(AbsoluteTime)](kernel/iotimereventsource/1809607-settimeout.md)
- [setTimeout(UInt32, UInt32)](kernel/iotimereventsource/1809617-settimeout.md)
- [setTimeoutFunc](kernel/iotimereventsource/1809624-settimeoutfunc.md)
- [setTimeoutMS](kernel/iotimereventsource/1809629-settimeoutms.md)
- [setTimeoutTicks](kernel/iotimereventsource/1809639-settimeoutticks.md)
- [setTimeoutUS](kernel/iotimereventsource/1809649-settimeoutus.md)
- [timeout](kernel/iotimereventsource/1809663-timeout.md)
- [wakeAtTime(AbsoluteTime)](kernel/iotimereventsource/1809684-wakeattime.md)
- [wakeAtTime(UInt32, UInt32)](kernel/iotimereventsource/1809694-wakeattime.md)
- [wakeAtTimeMS](kernel/iotimereventsource/1809708-wakeattimems.md)
- [wakeAtTimeTicks](kernel/iotimereventsource/1809720-wakeattimeticks.md)
- [wakeAtTimeUS](kernel/iotimereventsource/1809737-wakeattimeus.md)