jlennox

        Task AnarcodesWebClientLoop(string[] urls) {
            using (var entryGate = new SemaphoreSlim(10, 10)) {
                var requests = urls.Select(async url => {
                    await entryGate.WaitAsync();

                    var didError = false;
                    string errorMessage = null;
                    try {
                        var req = WebRequest.Create(url);
                        using (var res = (HttpWebResponse)await req.GetResponseAsync())

jlennox

        async Task AnarcodesWebClientLoop(string[] urls) {
            foreach (var url in urls)
            {
                var didError = false;
                string errorMessage = null;
                try {
                var req = WebRequest.Create(url);
                using (var res = (HttpWebResponse)await req.GetResponseAsync())
                {
                    didError = (int)res.StatusCode < 200 || (int)res.StatusCode >= 300);