The waitUntilAllOperationsAreFinished method is called before completion about swiftqueue

[ra1popov]

I understood what the problem is..
In my case, the current thread was not blocked because my task did not arrive to the queue at the time of the call waitUntilAllOperationsAreFinished method.

The waitUntilAllOperationsAreFinished method description:
Blocks the current thread until all the receiver’s queued and executing operations finish executing.
https://developer.apple.com/documentation/foundation/operationqueue/1407971-waituntilalloperationsarefinishe

We can use NSCondition for lock, but I chose another solution, example here:

    let amount = 255
   
    let latch = CountDownLatch(count: amount)
    
    for i in 0 ..< amount {
        let job = FindDeviceJob(id: i, queue: "queue_\(i / 25)")
        queueManager.add(job: job)
            .subscribe(onCompleted: {
                print("queue created: \(i)")
                latch.countDown()
            }, onError: { error in
                print(error)
            }).disposed(by: disposeBag)
    }
    
    print("wait1")
    latch.await() // we are waiting for all tasks to be added to our queue via the CountDownLatch pattern ( https://github.com/uber/swift-concurrency.git )
    
    print("wait2")
    queueManager.waitUntilAllOperationsAreFinished() // and we are waiting for all tasks to be completed

    print("finish")

result:
queue created: 0..<n
wait1
queue created: 0..<n (a tasks added to our queue after the "wait1" message)
wait2
complete 0..<n
finish

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.