<!--
{
  "availability" : [
    "iOS: -",
    "iPadOS: -",
    "macCatalyst: -",
    "macOS: -",
    "tvOS: -",
    "visionOS: -",
    "watchOS: -"
  ],
  "documentType" : "symbol",
  "framework" : "Dispatch",
  "identifier" : "/documentation/Dispatch/dispatch_queue_main_t",
  "metadataVersion" : "0.1.0",
  "role" : "Type Alias",
  "symbol" : {
    "kind" : "Type Alias",
    "modules" : [
      "Dispatch"
    ],
    "preciseIdentifier" : "c:@T@dispatch_queue_main_t"
  },
  "title" : "dispatch_queue_main_t"
}
-->

# dispatch_queue_main_t

A dispatch queue that is bound to the app’s main thread and executes tasks serially on that thread.

```
typealias dispatch_queue_main_t = OS_dispatch_queue_main
```

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)