public void SetCanceled()
{
if (!ApplyOperation(TaskStatus.Canceled, () => { source.Cancel(); source.CancelReal(); }))
{
ThrowInvalidException();
}
}
internal void ContinueWithCore(Task continuation, TaskContinuationOptions kind,
TaskScheduler scheduler, Func <bool> predicate)
{
// Already set the scheduler so that user can call Wait and that sort of stuff
continuation.taskScheduler = scheduler;
continuation.scheduler = ProxifyScheduler(scheduler);
AtomicBoolean launched = new AtomicBoolean();
EventHandler action = delegate {
if (!predicate())
{
return;
}
if (!launched.Value && !launched.Exchange(true))
{
if (!ContinuationStatusCheck(kind))
{
continuation.Cancel();
continuation.CancelReal();
continuation.Dispose();
return;
}
CheckAndSchedule(continuation, kind, scheduler);
}
};
if (IsCompleted)
{
action(this, EventArgs.Empty);
return;
}
completed += action;
// Retry in case completion was achieved but event adding was too late
if (IsCompleted)
{
action(this, EventArgs.Empty);
}
}
