AdjustSdk.Pcl.PackageHandler.SendFirstInternal C# (CSharp) Method

        private void SendFirstInternal()
        {
            if (PackageQueue.Count == 0) return;

            if (IsPaused)
            {
                Logger.Debug("Package handler is paused");
                return;
            }

            // no need to lock InternalWaitHandle between WaitOne(0) call and Reset()
            // because all Internal methods of PackageHandler can be only executed by 1 thread at a time

            if (InternalWaitHandle.WaitOne(0)) // check if the door is open without waiting (waiting 0 seconds)
            {
                InternalWaitHandle.Reset(); // close the door (non-signals the wait handle)
                RequestHandler.SendPackage(PackageQueue.First());
            }
            else
            {
                Logger.Verbose("Package handler is already sending");
            }
        }