Carsten Przyluczky K4stor
kristopherjohnson
/ DispatchGroupDemo.swift
Last active
May 28, 2021 14:40
Simple demo of dispatch_group_async/dispatch_group_notify/dispatch_group_wait in Swift
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| import Foundation | |
| let notified = dispatch_semaphore_create(0) | |
| let group = dispatch_group_create() | |
| let queue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0) | |
| for n in 0..<20 { | |
| dispatch_group_async(group, queue) { | |
| let timeInterval = Double(arc4random_uniform(1000)) * 0.01 |