---
title: eventChain
framework: kernel
role: pseudoSymbol
path: kernel/ioworkloop/eventchain
---

# eventChain

## Declaration

```occ
IOEventSource *eventChain;
```

## Overview

Overview Pointer to first event source in linked list.

## See Also

### Instance Variables

- [workToDoLock](kernel/ioworkloop/worktodolock.md)
- [workToDo](kernel/ioworkloop/worktodo.md)
- [workThread](kernel/ioworkloop/workthread.md)
- [reserved](kernel/ioworkloop/reserved.md)
- [loopRestart](kernel/ioworkloop/looprestart.md)
- [gateLock](kernel/ioworkloop/gatelock.md)
- [controlG](kernel/ioworkloop/controlg.md)