lauramarson

import Foundation

func randomDelay(maxDuration: Double) {
  let randomWait = UInt32.random(in: 0..<UInt32(maxDuration * Double(USEC_PER_SEC)))
  usleep(randomWait)
}

let isolationQueue = DispatchQueue(label: "com.myproject.atm.isolation",
                                   attributes: .concurrent)

lauramarson

//
//  Bank.swift
//
//  Created by Laura Pinheiro Marson on 25/07/23.
//

import Foundation

func randomDelay(maxDuration: Double) {
  let randomWait = UInt32.random(in: 0..<UInt32(maxDuration * Double(USEC_PER_SEC)))

lauramarson

import UIKit
import PlaygroundSupport

PlaygroundPage.current.needsIndefiniteExecution = true

let concurrentQueue = DispatchQueue.global()
var counter = 0

concurrentQueue.async {
    for n in 0..<100 {

lauramarson

import UIKit
import PlaygroundSupport

///Habilite a execução indefinida do playground para evitar que as tasks executadas em background sejam interrompidas quando a main thread for finalizada.
PlaygroundPage.current.needsIndefiniteExecution = true

///Criando uma private queue concorrente
let concurrentQueueA = DispatchQueue(label: "com.myproject.concurrent",
                                     qos: .utility,
                                     attributes: .concurrent)