internal static void OnCompletedInternal(Task task, Action continuation, bool continueOnCapturedContext)
{
if (continuation == null)
{
throw new ArgumentNullException("continuation");
}
SynchronizationContext sc = continueOnCapturedContext ? SynchronizationContext.Current : null;
if (sc != null && sc.GetType() != typeof(SynchronizationContext))
{
task.ContinueWith(delegate(Task param0)
{
try
{
sc.Post(delegate(object state)
{
((Action)state)();
}, continuation);
}
catch (Exception exception)
{
AsyncMethodBuilderCore.ThrowAsync(exception, null);
}
}, CancellationToken.None, TaskContinuationOptions.ExecuteSynchronously, TaskScheduler.Default);
return;
}
TaskScheduler taskScheduler = continueOnCapturedContext ? TaskScheduler.Current : TaskScheduler.Default;
if (task.IsCompleted)
{
Task.Factory.StartNew(delegate(object s)
{
((Action)s)();
}, continuation, CancellationToken.None, TaskCreationOptions.None, taskScheduler);
return;
}
if (taskScheduler != TaskScheduler.Default)
{
task.ContinueWith(delegate(Task _)
{
TaskAwaiter.RunNoException(continuation);
}, CancellationToken.None, TaskContinuationOptions.ExecuteSynchronously, taskScheduler);
return;
}
task.ContinueWith(delegate(Task param0)
{
if (TaskAwaiter.IsValidLocationForInlining)
{
TaskAwaiter.RunNoException(continuation);
return;
}
Task.Factory.StartNew(delegate(object s)
{
TaskAwaiter.RunNoException((Action)s);
}, continuation, CancellationToken.None, TaskCreationOptions.None, TaskScheduler.Default);
}, CancellationToken.None, TaskContinuationOptions.ExecuteSynchronously, TaskScheduler.Default);
}