public void ItCompletesTheTaskWhenSetIsCalled()
{
var asyncARE = new AsyncAutoResetEvent();
var task = asyncARE.WaitAsync();
asyncARE.Set();
task.Wait(TimeSpan.FromSeconds(1));
Assert.IsTrue(task.IsCompleted);
}
public void ItReturnsNewUncompletedTaskAfterExecution()
{
var asyncARE = new AsyncAutoResetEvent();
var task = asyncARE.WaitAsync();
task.ContinueWith(_ => { });
asyncARE.Set();
var newTask = asyncARE.WaitAsync();
Assert.IsTrue(newTask != task && !newTask.IsCompleted);
}
/// <summary>
/// Create an instance of a subscription to detect plc data changes
/// </summary>
/// <param name="mapper">The reference to the plcDatamapper.</param>
/// <param name="vars">The variables we should watch.</param>
/// <param name="defaultInterval">setup the default interval, if none was given by the <see cref="PlcWatchReference"/></param>
public Subscription(PlcDataMapper mapper, ChangeDetectionStrategy changeDetectionStrategy = ChangeDetectionStrategy.Polling, IEnumerable <PlcWatchReference> vars = null, int defaultInterval = 1000)
{
_mapper = mapper ?? ExceptionThrowHelper.ThrowArgumentNullException <PlcDataMapper>(nameof(mapper));
_changeDetectionStrategy = changeDetectionStrategy;
_defaultInterval = defaultInterval;
_lock = new ReaderWriterLockSlim();
UpdateWatchCycle(vars);
if (changeDetectionStrategy == ChangeDetectionStrategy.Event)
{
_changeEvent = new AsyncAutoResetEvent <IEnumerable <DataPack> >();
}
if (vars != null)
{
AddItems(vars);
}
}
public async Task InvokeWithProgressParameterAsArray()
{
AsyncAutoResetEvent signal = new AsyncAutoResetEvent();
int sum = 0;
ProgressWithCompletion <int> progress = new ProgressWithCompletion <int>(report =>
{
sum += report;
signal.Set();
});
int n = 3;
Task <int> invokeTask = this.clientRpc.InvokeAsync <int>("test", new object[] { n, progress });
JToken request = await this.ReceiveAsync();
JToken progressID = request["params"][1];
// Send responses as $/progress
int sum2 = 0;
for (int i = 1; i <= n; i++)
{
string content = "{ \"jsonrpc\": \"2.0\", \"method\": \"$/progress\", \"params\": { \"token\": " + progressID + ", \"value\": " + i + " } }";
JObject json = JObject.Parse(content);
this.Send(json);
sum2 += i;
await signal.WaitAsync().WithCancellation(this.TimeoutToken);
Assert.Equal(sum2, sum);
}
this.Send(new
{
jsonrpc = "2.0",
id = request["id"],
result = sum,
});
int result = await invokeTask;
Assert.Equal(sum2, result);
}
public virtual async Task WillExpireRemoteItems()
{
using (var firstCache = GetCacheClient() as HybridCacheClient) {
Assert.NotNull(firstCache);
var firstResetEvent = new AsyncAutoResetEvent(false);
Action <object, ItemExpiredEventArgs> expiredHandler = (sender, args) => {
_logger.Trace("First local cache expired: {0}", args.Key);
firstResetEvent.Set();
};
using (firstCache.LocalCache.ItemExpired.AddSyncHandler(expiredHandler)) {
using (var secondCache = GetCacheClient() as HybridCacheClient) {
Assert.NotNull(secondCache);
var secondResetEvent = new AsyncAutoResetEvent(false);
Action <object, ItemExpiredEventArgs> expiredHandler2 = (sender, args) => {
_logger.Trace("Second local cache expired: {0}", args.Key);
secondResetEvent.Set();
};
using (secondCache.LocalCache.ItemExpired.AddSyncHandler(expiredHandler2)) {
string cacheKey = "will-expire-remote";
_logger.Trace("First Set");
Assert.True(await firstCache.AddAsync(cacheKey, new SimpleModel {
Data1 = "test"
}, TimeSpan.FromMilliseconds(250)));
_logger.Trace("Done First Set");
Assert.Equal(1, firstCache.LocalCache.Count);
_logger.Trace("Second Get");
Assert.True((await secondCache.GetAsync <SimpleModel>(cacheKey)).HasValue);
_logger.Trace("Done Second Get");
Assert.Equal(1, secondCache.LocalCache.Count);
_logger.Trace("Waiting for item expired handlers...");
var sw = Stopwatch.StartNew();
await firstResetEvent.WaitAsync(TimeSpan.FromSeconds(2));
await secondResetEvent.WaitAsync(TimeSpan.FromSeconds(2));
sw.Stop();
_logger.Trace("Time {0}", sw.Elapsed);
}
}
}
}
}
public async Task <bool> StartMoving(string dir)
{
AsyncAutoResetEvent doneEvent = new AsyncAutoResetEvent();
bool success = false;
SendCommand($":M{dir}#", (a) =>
{
MountState.IsSlewing = true;
++_moveState;
success = a.Success;
doneEvent.Set();
});
await doneEvent.WaitAsync();
return(success);
}
public async Task When_subscribe_to_stream_and_append_messages_then_should_receive_message()
{
using (var fixture = GetFixture())
{
using (var store = await fixture.GetStreamStore())
{
var streamId1 = "stream-1";
var streamId2 = "stream-2";
var received = new AsyncAutoResetEvent();
string streamIdReceived = null;
using (store.SubscribeToStream(
streamId1,
StreamVersion.None,
(_, message, ct) =>
{
streamIdReceived = message.StreamId;
received.Set();
return(Task.CompletedTask);
}))
{
await AppendMessages(store, streamId1, 1);
await AppendMessages(store, streamId2, 1);
await received.WaitAsync().WithTimeout();
streamIdReceived.ShouldBe(streamId1);
await AppendMessages(store, streamId1, 1);
await AppendMessages(store, streamId2, 1);
await received.WaitAsync().WithTimeout();
streamIdReceived.ShouldBe(streamId1);
await AppendMessages(store, streamId1, 1);
await AppendMessages(store, streamId2, 1);
await received.WaitAsync().WithTimeout();
streamIdReceived.ShouldBe(streamId1);
}
}
}
}
public async Task CompleteGetAsync(string key, QueryResult <KVPair> result)
{
if (_getCalls.TryGetValue(key, out var completionSource))
{
_getCalls.Remove(key);
completionSource.SetResult(result);
await completionSource.Task;
}
else
{
var serviceCallResetEvent = new AsyncAutoResetEvent(false);
_waitingGetCalls[key] = serviceCallResetEvent;
if (!(await serviceCallResetEvent.WaitAsync(500)))
{
throw new InvalidOperationException($"Timed out waiting for a request for key '{key}' to be initiated");
}
}
}
public async Task CompleteServiceAsync(string serviceName, QueryResult <CatalogService[]> result)
{
if (_serviceCalls.TryGetValue(serviceName, out var completionSource))
{
_serviceCalls.Remove(serviceName);
completionSource.SetResult(result);
await completionSource.Task;
}
else
{
var serviceCallResetEvent = new AsyncAutoResetEvent(false);
_waitingServiceCalls[serviceName] = serviceCallResetEvent;
if (!(await serviceCallResetEvent.WaitAsync(500)))
{
throw new InvalidOperationException($"Timed out waiting for a request for service requst '{serviceName}' to be initiated");
}
}
}
public async Task <string> SetSiteLatitude(float latitude)
{
AsyncAutoResetEvent doneEvent = new AsyncAutoResetEvent();
bool success = false;
char sgn = latitude < 0 ? '-' : '+';
int latInt = (int)Math.Abs(latitude);
int latMin = (int)((Math.Abs(latitude) - latInt) * 60.0f);
SendCommand($":St{sgn}{latInt:00}*{latMin:00}#,n", (result) =>
{
success = result.Success;
doneEvent.Set();
});
await doneEvent.WaitAsync();
return(success ? "1" : "0");
}
public async Task WriteMessage(Stream data, byte[] header = null, int count = 1)
{
AsyncAutoResetEvent sendCompleted = new AsyncAutoResetEvent(false);
using (FixedHeader(header))
{
for (int i = 0; i < count; i++)
{
SendMessage(data, () => sendCompleted.Set());
}
}
Assert.True(await sendCompleted.WaitOne(DefaultTimeout),
$"Sending client message did not return after {DefaultTimeout}ms.");
// sendCompleted.WaitOne(DefaultTimeout)
// .Should().BeTrue($"client message should have returned after {DefaultTimeout}ms.");
// return Task.CompletedTask;
}
public DummyGpioPin(
string name,
GpioDirection?direction,
bool?activeLow,
bool?initialValue,
TimeSpan?assertionTime,
TimeSpan?deassertionTime,
TimeSpan?debounceTime)
{
this.Name = name;
this.direction = direction ?? GpioDirection.Input;
this.value = initialValue ?? false;
this.AssertionTime = assertionTime ?? defaultAssertionTime;
this.DeassertionTime = deassertionTime ?? defaultDeassertionTime;
this.DebounceTime = debounceTime ?? defaultDebounceTime;
this.pinChangeEvent = new AsyncAutoResetEvent();
this.isDisposed = false;
}
public async Task <TOut> Send <TIn, TOut>(string path, TIn data, CancellationToken cancel) where TOut : new()
{
using (var strm = new MemoryStream())
{
PayloadHelper.WriteData(strm, new PayloadPacketHeader
{
PacketId = GetPacketId(),
Path = path,
});
PayloadHelper.WriteData(strm, data);
var eve = new AsyncAutoResetEvent(false);
var result = default(Result <TOut>);
var dispose = Register <TOut>(path).FirstAsync(_ => true).Subscribe(_ =>
{
result = _;
eve.Set();
});
try
{
strm.Position = 0;
await SendData(PayloadHelper.DefaultNetworkId, PayloadHelper.DefaultSuccessMessageType, strm, cancel);
await eve.WaitAsync(cancel);
if (result.IsError)
{
throw new PayloadClientException(path, result.Error);
}
Debug.Assert(result.Value != null);
return(result.Value);
}
catch (Exception e)
{
_logger.Error(e, $"Error to get interface implementations:{e.Message}");
throw;
}
finally
{
dispose.Dispose();
}
}
}
public async Task <bool> SetTracking(bool enabled)
{
bool success = false;
AsyncAutoResetEvent doneEvent = new AsyncAutoResetEvent();
var b = enabled ? 1 : 0;
SendCommand($":MT{b}#,n", (setResult) =>
{
if (setResult.Success)
{
MountState.IsTracking = enabled;
}
doneEvent.Set();
});
await doneEvent.WaitAsync();
return(success);
}
public async Task <float> GetSiteLatitude()
{
AsyncAutoResetEvent doneEvent = new AsyncAutoResetEvent();
double latitude = 0;
bool success = false;
SendCommand(":Gt#,#", (lat) =>
{
if (lat.Success && TryParseDec(lat.Data, out latitude))
{
success = true;
}
doneEvent.Set();
});
await doneEvent.WaitAsync();
return(success ? (float)latitude : 0);
}
public void SetInlinesContinuationsUnderSwitch()
{
this.evt = new AsyncAutoResetEvent(allowInliningAwaiters: true);
Thread settingThread = Thread.CurrentThread;
bool setReturned = false;
var inlinedContinuation = this.evt.WaitAsync()
.ContinueWith(delegate
{
// Arrange to synchronously block the continuation until Set() has returned,
// which would deadlock if Set does not return until inlined continuations complete.
Assert.False(setReturned);
Assert.Same(settingThread, Thread.CurrentThread);
},
TaskContinuationOptions.ExecuteSynchronously);
this.evt.Set();
setReturned = true;
Assert.True(inlinedContinuation.IsCompleted);
}
private async Task <IList <TestResult> > ExecuteTests(IEnumerable <TestCase> testCases, CancellationToken token)
{
var waitHandle = new AsyncAutoResetEvent();
var handler = new RunEventHandler(waitHandle);
handler.TestResultAvailable += HandlerOnTestResultAvailable;
var registration = token.Register(vsTestConnector.ConsoleWrapper.CancelTestRun);
vsTestConnector.ConsoleWrapper.RunTests(testCases, string.Format(MSTestConstants.DefaultRunSettings, Directory.GetCurrentDirectory()), handler);
await waitHandle.WaitAsync(token);
handler.TestResultAvailable -= HandlerOnTestResultAvailable;
registration.Dispose();
token.ThrowIfCancellationRequested();
return(handler.TestResults);
}
// Input is -180 (W) to +180 (E)
// This needs to be mapped to 360..0
public async Task <string> SetSiteLongitude(float longitude)
{
AsyncAutoResetEvent doneEvent = new AsyncAutoResetEvent();
bool success = false;
longitude = 180 - longitude;
int lonInt = (int)longitude;
int lonMin = (int)((longitude - lonInt) * 60.0f);
SendCommand($":Sg{lonInt:000}*{lonMin:00}#,n", (result) =>
{
success = result.Success;
doneEvent.Set();
});
await doneEvent.WaitAsync();
return(success ? "1" : "0");
}
public Swarm(
PrivateKey privateKey,
TimeSpan dialTimeout,
IPAddress ipAddress = null,
int?listenPort = null,
DateTimeOffset?createdAt = null)
{
Running = false;
_privateKey = privateKey
?? throw new ArgumentNullException(nameof(privateKey));
_dialTimeout = dialTimeout;
_peers = new Dictionary <Peer, DateTimeOffset>();
_removedPeers = new Dictionary <Peer, DateTimeOffset>();
LastSeenTimestamps = new Dictionary <Peer, DateTimeOffset>();
DateTimeOffset now = createdAt.GetValueOrDefault(
DateTimeOffset.UtcNow);
LastDistributed = now;
LastReceived = now;
DeltaDistributed = new AsyncAutoResetEvent();
DeltaReceived = new AsyncAutoResetEvent();
TxReceived = new AsyncAutoResetEvent();
BlockReceived = new AsyncAutoResetEvent();
_dealers = new ConcurrentDictionary <Address, DealerSocket>();
_router = new RouterSocket();
_distributeMutex = new AsyncLock();
_receiveMutex = new AsyncLock();
_blockSyncMutex = new AsyncLock();
_runningMutex = new AsyncLock();
_ipAddress = ipAddress ?? GetLocalIPAddress();
_listenPort = listenPort;
string loggerId = _privateKey.PublicKey.ToAddress().ToHex();
_logger = Log.ForContext <Swarm>()
.ForContext("SwarmId", loggerId);
}
public async Task <bool> WaitForCounterAsync(string statName, Func <Task> work, long count = 1, CancellationToken cancellationToken = default(CancellationToken))
{
if (count <= 0)
{
return(true);
}
long currentCount = count;
var resetEvent = new AsyncAutoResetEvent(false);
DateTime start = SystemClock.UtcNow;
using (Counted.AddHandler((s, e) => {
currentCount -= e.Value;
resetEvent.Set();
return(Task.CompletedTask);
})) {
_logger.Trace("Wait: count={count}", currentCount);
if (work != null)
{
await work().AnyContext();
}
if (currentCount <= 0)
{
return(true);
}
do
{
try {
await resetEvent.WaitAsync(cancellationToken).AnyContext();
} catch (OperationCanceledException) { }
_logger.Trace("Got signal: count={currentCount} expected={count}", currentCount, count);
} while (cancellationToken.IsCancellationRequested == false && currentCount > 0);
}
_logger.Trace("Done waiting: count={currentCount} expected={count} success={success} time={time}", currentCount, count, currentCount <= 0, SystemClock.UtcNow.Subtract(start));
return(currentCount <= 0);
}
public async Task StartAsync_processes_handle_proxy_delegates(int concurrency, int delegatesNumber)
{
var channel = Channel.CreateUnbounded <HandleProxy>();
var configuration = new BackgroundHandleProxyProcessorConfiguration(concurrency);
var logger = Mock.Of <ILogger <BackgroundHandleProxyProcessor> >();
var processor = new BackgroundHandleProxyProcessor(channel.Reader, configuration, logger);
_ = processor.StartAsync(CancellationToken.None);
AsyncAutoResetEvent resetEvent = new AsyncAutoResetEvent(false);
Task WriteAsyncDelegate(int index) => channel.Writer.WriteAsync(cancellationToken =>
{
logger.LogInformation($"item: {index}");
if (index == delegatesNumber - 1)
{
resetEvent.Set();
}
return(Task.CompletedTask);
}).AsTask();
Task[] writeTasks = Enumerable.Range(0, delegatesNumber).Select(WriteAsyncDelegate).ToArray();
await Task.WhenAll(writeTasks);
await resetEvent.WaitAsync();
Mock.Get(logger)
.Verify(
l => l.Log(
It.Is <LogLevel>(l => l == LogLevel.Information),
It.IsAny <EventId>(),
It.IsAny <It.IsAnyType>(),
It.Is <Exception>(e => e == null),
It.IsAny <Func <It.IsAnyType, Exception, string> >()),
Times.Exactly(delegatesNumber));
}
public async Task WaitCancel()
{
var Event = new AsyncAutoResetEvent();
using var TokenSource = new CancellationTokenSource();
var Task = Event.Wait(TokenSource.Token);
TokenSource.Cancel();
try
{
await Task;
Assert.Fail("Did not cancel");
}
catch (OperationCanceledException)
{
}
}
public async Task <bool> StopMoving(string dir)
{
AsyncAutoResetEvent doneEvent = new AsyncAutoResetEvent();
bool success = false;
SendCommand($":Q{dir}#", (a) =>
{
--_moveState;
if (_moveState <= 0)
{
_moveState = 0;
MountState.IsSlewing = false;
}
success = a.Success;
doneEvent.Set();
});
await doneEvent.WaitAsync();
return(success);
}
public static async Task <bool> WaitAsync(this AsyncAutoResetEvent mEvent, TimeSpan timeout, CancellationToken token = default)
{
var timeOut = new CancellationTokenSource(timeout);
var comp = CancellationTokenSource.CreateLinkedTokenSource(timeOut.Token, token);
try
{
await mEvent.WaitAsync(comp.Token).ConfigureAwait(false);
return(true);
}
catch (OperationCanceledException e)
{
if (token.IsCancellationRequested)
{
throw; //Forward OperationCanceledException from external Token
}
return(false); //Here the OperationCanceledException was raised by Timeout
}
}
public OrchestrationSession(
string storageAccountName,
string taskHubName,
OrchestrationInstance orchestrationInstance,
IReadOnlyList <MessageData> initialMessageBatch,
OrchestrationRuntimeState runtimeState,
string eTag,
TimeSpan idleTimeout,
Guid traceActivityId)
: base(storageAccountName, taskHubName, orchestrationInstance, traceActivityId)
{
this.idleTimeout = idleTimeout;
this.CurrentMessageBatch = initialMessageBatch ?? throw new ArgumentNullException(nameof(initialMessageBatch));
this.RuntimeState = runtimeState ?? throw new ArgumentNullException(nameof(runtimeState));
this.ETag = eTag;
this.messagesAvailableEvent = new AsyncAutoResetEvent(signaled: false);
this.sessionReleasedEvent = new AsyncManualResetEvent();
this.nextMessageBatch = new MessageCollection();
}
public async Task <bool> SendCommandAsync(Command command)
{
if (command.Source != CommandSource.Client)
{
throw new ArgumentException("Command source is invalid.", nameof(command));
}
bool result = false;
var ev = new AsyncAutoResetEvent();
_Connection.SendAsync(command.Serialize(), (r) => {
result = r;
ev.Set();
});
OnSendMessage?.Invoke(this, new CommandEventArgs(command));
await ev.WaitAsync();
return(result);
}
public InvocationItem(
Action action,
IServiceActorWrapper target,
string typeOfObjectToWrap,
bool keepContextForAsyncCalls = true,
bool async = false)
{
Action = action;
Target = target;
TypeOfObjectToWrap = typeOfObjectToWrap;
KeepContextForAsyncCalls = keepContextForAsyncCalls;
if (async)
{
_asyncAutoResetEvent = new AsyncAutoResetEvent(false);
}
else
{
_autoResetEvent = new AutoResetEvent(false);
}
}
internal InMemoryMessagePublisherReceiver(int maxBatchSize = 50, ILogger logger = null)
{
if (maxBatchSize <= 0)
{
throw new ArgumentOutOfRangeException(nameof(maxBatchSize), maxBatchSize,
"The maximum batch size has to be positive number.");
}
_logger = logger ?? NullLogger.Instance;
_shutdownTokenSource = new CancellationTokenSource();
_processingTriggerEvent = new AsyncAutoResetEvent(false);
_notProcessingEvent = new AsyncManualResetEvent(true);
_queue = new ConcurrentQueue <Message>();
_deadLetterQueue = new Collection <Message>();
_consumers = new ConcurrentDictionary <Func <IReadOnlyCollection <Message>, CancellationToken, Task>, CancellationToken>();
_backgroundTask = StartBackgroundTaskAsync(maxBatchSize);
}
public async Task DelayedCancelWithTimeout()
{
var a = new AsyncAutoResetEvent();
using var cts = new CancellationTokenSource(1000);
var sw = Stopwatch.StartNew();
try
{
await a.WaitAsync(10_000, cts.Token);
}
catch (OperationCanceledException)
{
sw.Stop();
Assert.InRange(sw.ElapsedMilliseconds, 1000, 10_000);
return;
}
Assert.True(false);
}
private async void OnTimer(object s, EventArgs e)
{
_timerStatus.Stop();
if (_mountVM.ConnectionState.StartsWith("Connected"))
{
bool restartTimer = true;
var gxDoneEvent = new AsyncAutoResetEvent();
_sendCommand(":GX#,#", (result) =>
{
if (result.Success)
{
var parts = result.Data.Split(',');
if (!_currentStatusFunc(parts))
{
restartTimer = false;
WpfUtilities.RunOnUiThread(() => { this.DialogResult = true; this.Close(); }, Application.Current.Dispatcher);
}
}
else
{
if (!_currentStatusFunc(null))
{
restartTimer = false;
WpfUtilities.RunOnUiThread(() => { this.DialogResult = true; this.Close(); }, Application.Current.Dispatcher);
}
}
gxDoneEvent.Set();
});
await gxDoneEvent.WaitAsync();
if (restartTimer)
{
_timerStatus.Start();
}
}
else
{
WpfUtilities.RunOnUiThread(() => { this.DialogResult = true; this.Close(); }, Application.Current.Dispatcher);
}
}
public static async Task <bool> WaitOneWithAliveEvent(this AsyncAutoResetEvent waitHandle, int timeout,
AsyncAutoResetEvent aliveEvent)
{
if (await waitHandle.WaitOne(timeout))
{
return(true);
}
while (await aliveEvent.WaitOne(timeout))
{
if (await waitHandle.WaitOne(0))
{
return(true);
}
}
if (await waitHandle.WaitOne(timeout))
{
return(true);
}
return(false);
}
/// <summary>
/// Initializes the processing pipeline stage (base class specific part).
/// </summary>
internal override void OnInitializeBase()
{
try
{
// set up asynchronous processing
mAsyncProcessingMessageStack = new LocklessStack <LocalLogMessage>(mMessageQueueSize, false);
mTriggerAsyncProcessingEvent = new AsyncAutoResetEvent(false);
mAsyncProcessingCancellationTokenSource = new CancellationTokenSource();
mTerminateProcessingTask = false;
mAsyncContextThread = new AsyncContextThread();
mAsyncProcessingTask = mAsyncContextThread.Factory.Run(ProcessingTask);
// Perform pipeline stage specific initialization
OnInitialize();
}
catch (Exception)
{
Shutdown();
throw;
}
}
public void ItReturnsTaskWhenWaitAsyncIsCalled()
{
var asyncARE = new AsyncAutoResetEvent();
Assert.IsInstanceOfType(asyncARE.WaitAsync(), typeof(Task));
}
public async Task concurrentWaits()
{
var token = new CancellationToken();
var ev = new AsyncAutoResetEvent();
ev.Set();
ThreadPool.UnsafeQueueUserWorkItem(async (s) =>
{
for (int i = 0; i < 100; i++)
{
Thread.Sleep(2);
var t = ev.WaitAsync(token);
if (t == Task.CompletedTask)
Console.WriteLine("[1] Took it " + i);
else
await t.ContinueWith((t1, s1) =>
{
Console.WriteLine("[1] Took it later " + i);
}, null);
}
Console.WriteLine("[1] done ");
}, null);
ThreadPool.UnsafeQueueUserWorkItem(async (s) =>
{
for (int i = 0; i < 100; i++)
{
Thread.Sleep(2);
var t = ev.WaitAsync(token);
if (t == Task.CompletedTask)
Console.WriteLine("[2] Took it " + i);
else
await t.ContinueWith((t1, s1) =>
{
Console.WriteLine("[2] Took it later " + i);
}, null);
}
Console.WriteLine("[2] done ");
}, null);
ThreadPool.UnsafeQueueUserWorkItem(async (s) =>
{
for (int i = 0; i < 100; i++)
{
Thread.Sleep(2);
var t = ev.WaitAsync(token);
if (t == Task.CompletedTask)
Console.WriteLine("[3] Took it " + i);
else
await t.ContinueWith((t1, s1) =>
{
Console.WriteLine("[3] Took it later " + i);
}, null);
}
Console.WriteLine("[3] done ");
}, null);
ThreadPool.UnsafeQueueUserWorkItem((s) =>
{
for (int i = 0; i < 400; i++)
{
Thread.Sleep(1);
ev.Set();
}
}, null);
Thread.CurrentThread.Join(TimeSpan.FromSeconds(15));
}