public Task ContinueWhenAll(Task[] tasks, Action <Task[]> continuationAction, CancellationToken cancellationToken,
TaskContinuationOptions continuationOptions, TaskScheduler scheduler)
{
CheckContinueArguments(tasks, continuationAction, continuationOptions, scheduler);
var cont = Task.WhenAllCore(tasks).ContinueWith(TaskActionInvoker.Create(continuationAction, tasks), cancellationToken, continuationOptions, scheduler);
return(cont);
}
public Task <TResult> ContinueWhenAll <TResult>(Task[] tasks, Func <Task[], TResult> continuationFunction,
CancellationToken cancellationToken,
TaskContinuationOptions continuationOptions, TaskScheduler scheduler)
{
CheckContinueArguments(tasks, continuationFunction, continuationOptions, scheduler);
var cont = Task.WhenAllCore(tasks).ContinueWith <TResult>(TaskActionInvoker.Create(continuationFunction, tasks), cancellationToken, continuationOptions, scheduler);
return(cont);
}
public Task ContinueWhenAll(Task[] tasks, Action <Task[]> continuationAction, CancellationToken cancellationToken,
TaskContinuationOptions continuationOptions, TaskScheduler scheduler)
{
var t = new Task(l => {
var data = (Tuple <Task[], CancellationToken>)l;
Task.WaitAll(data.Item1, data.Item2);
}, Tuple.Create(tasks, cancellationToken));
var cont = t.ContinueWith(TaskActionInvoker.Create(continuationAction, tasks), cancellationToken, continuationOptions, scheduler);
t.Start(scheduler);
return(cont);
}
public Task <TResult> ContinueWhenAny <TResult> (Task[] tasks,
Func <Task, TResult> continuationFunction,
CancellationToken cancellationToken,
TaskContinuationOptions continuationOptions,
TaskScheduler scheduler)
{
var t = new Task <int> (l => {
var data = (Tuple <Task[], CancellationToken>)l;
return(Task.WaitAny(data.Item1, data.Item2));
}, Tuple.Create(tasks, cancellationToken));
var cont = t.ContinueWith <TResult> (TaskActionInvoker.Create(continuationFunction, tasks), cancellationToken, continuationOptions, scheduler);
t.Start(scheduler);
return(cont);
}
internal static void HandleOnCompleted(Task task, Action continuation, bool continueOnSourceContext, bool manageContext)
{
if (continueOnSourceContext && SynchronizationContext.Current != null && SynchronizationContext.Current.GetType() != typeof(SynchronizationContext))
{
task.ContinueWith(new SynchronizationContextContinuation(continuation, SynchronizationContext.Current));
}
else
{
IContinuation cont;
Task cont_task;
if (continueOnSourceContext && !TaskScheduler.IsDefault)
{
cont_task = new Task(TaskActionInvoker.Create(continuation), null, CancellationToken.None, TaskCreationOptions.None, null);
cont_task.SetupScheduler(TaskScheduler.Current);
cont = new SchedulerAwaitContinuation(cont_task);
}
else
{
cont_task = null;
cont = new AwaiterActionContinuation(continuation);
}
//
// This is awaiter continuation. For finished tasks we get false result and need to
// queue the continuation otherwise the task would block
//
if (task.ContinueWith(cont, false))
{
return;
}
if (cont_task == null)
{
cont_task = new Task(TaskActionInvoker.Create(continuation), null, CancellationToken.None, TaskCreationOptions.None, null);
cont_task.SetupScheduler(TaskScheduler.Current);
}
cont_task.Schedule(true);
}
}
public Task ContinueWhenAny(Task[] tasks, Action <Task> continuationAction, CancellationToken cancellationToken, TaskContinuationOptions continuationOptions, TaskScheduler scheduler)
{
if (tasks == null)
{
throw new ArgumentNullException("tasks");
}
if (tasks.Length == 0)
{
throw new ArgumentException("The tasks argument contains no tasks", "tasks");
}
foreach (var ta in tasks)
{
if (ta == null)
{
throw new ArgumentException("The tasks argument constains a null value", "tasks");
}
}
if (continuationAction == null)
{
throw new ArgumentNullException("continuationAction");
}
var t = new Task <int> (l =>
{
var data = (Tuple <Task[], CancellationToken>)l;
return(Task.WaitAny(data.Item1, data.Item2));
}, Tuple.Create(tasks, cancellationToken));
var cont = t.ContinueWith(TaskActionInvoker.Create(continuationAction, tasks), cancellationToken, continuationOptions, scheduler);
t.Start(scheduler);
return(cont);
}