What happens with job on "applicationDidEnterBackground" about swiftqueue HOT 2 CLOSED

func applicationDidEnterBackground(_ application: UIApplication) {
    taskId = application.beginBackgroundTask(withName: "StopJobs", expirationHandler: {
        application.endBackgroundTask(self.taskId)
    })

    if taskId != UIBackgroundTaskInvalid {
        DispatchQueue.global(qos: .background).async {
            os_log("Temporarily pause ALL swiftqueue jobs while we drain NETWORK operationQueue")
            queueManager.pause()
            self.drainNetworkOperations()

            os_log("Set to background state - triggers Post/fetch job cancellation")
            OperationQueue.main.addOperation {
                store.dispatch(SetBackgroundState(appInBackground: true))
            }
            os_log("Restart swiftqueue jobs. Post/fetch jobs are still cancelled now.")
            queueManager.start()
            os_log("Drain MAIN operationQueue, to ensure all work items are finished.")
            self.drainActiveJobMainOperations()

            os_log("Drain JobQueues.")
            queueManager.waitUntilAllOperationsAreFinished()

            application.endBackgroundTask(self.taskId)
        }

    }

}