Dispatch Queue (3.6)

By Grand Central Dispatch

Released on April 19, 2019

Thumbnail

Dispatch queue, example queue

Dispatch queue, example queue

Dispatch queue, example queue

Dispatch queue, example queue

Care must be taken to avoid a dispatched block

On a queue synchronously placing another block

On the same queue, on the same queue

On the same queue, on the same queue

On the same queue, on the same queue

On the same queue, as this is guaranteed to deadlock

As this is guaranteed to deadlock

Guaranteed to deadlock

Guaranteed to deadlock

Such code might do the following

Dispatch queue

Dispatch queue

Dispatch queue

Dispatch queue

Dispatch queue

Dispatch queue

Dispatch queue

Dispatch queue