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# dispatch_io_interval_flags_t

The desired delivery behavior for interval events.

```
typedef unsigned long dispatch_io_interval_flags_t;
```

## Topics

### Channel Configuration Options

[`DISPATCH_IO_STRICT_INTERVAL`](/documentation/Dispatch/DISPATCH_IO_STRICT_INTERVAL)

Enqueue handlers for a channel at strict intervals regardless of how much data has been read or written.


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