TrySetFromTask()

bool System.Threading.Tasks.UnwrapPromise< TResult >.TrySetFromTask ( Task task, bool lookForOce )

inlineprivate

Definition at line 91 of file UnwrapPromise.cs.

    {
        if (TplEventSource.Log.IsEnabled())
        {
            TplEventSource.Log.TraceOperationRelation(base.Id, CausalityRelation.Join);
        }
        bool result = false;
        switch (task.Status)
        {
        case TaskStatus.Canceled:
            result = TrySetCanceled(task.CancellationToken, task.GetCancellationExceptionDispatchInfo());
            break;
        case TaskStatus.Faulted:
        {
            List<ExceptionDispatchInfo> exceptionDispatchInfos = task.GetExceptionDispatchInfos();
            ExceptionDispatchInfo exceptionDispatchInfo;
            result = ((!lookForOce || exceptionDispatchInfos.Count <= 0 || (exceptionDispatchInfo = exceptionDispatchInfos[0]) == null || !(exceptionDispatchInfo.SourceException is OperationCanceledException ex)) ? TrySetException(exceptionDispatchInfos) : TrySetCanceled(ex.CancellationToken, exceptionDispatchInfo));
            break;
        }
        case TaskStatus.RanToCompletion:
            if (TplEventSource.Log.IsEnabled())
            {
                TplEventSource.Log.TraceOperationEnd(base.Id, AsyncCausalityStatus.Completed);
            }
            if (Task.s_asyncDebuggingEnabled)
            {
                Task.RemoveFromActiveTasks(this);
            }
            result = TrySetResult((task is Task<TResult> task2) ? task2.Result : default(TResult));
            break;
        }
        return result;
    }

References System.Threading.Tasks.TplEventSource.Log, System.Threading.Tasks.Task< TResult >.RemoveFromActiveTasks(), System.Threading.Tasks.Task< TResult >.s_asyncDebuggingEnabled, System.task, System.Threading.Tasks.Task< TResult >.TrySetCanceled(), System.Threading.Tasks.Task< TResult >.TrySetException(), and System.Threading.Tasks.Task< TResult >.TrySetResult().

Referenced by System.Threading.Tasks.UnwrapPromise< TResult >.InvokeCore(), System.Threading.Tasks.UnwrapPromise< TResult >.ProcessCompletedOuterTask(), and System.Threading.Tasks.UnwrapPromise< TResult >.ProcessInnerTask().