AddTaskContinuationComplex()

bool System.Threading.Tasks.Task< TResult >.AddTaskContinuationComplex ( object tc, bool addBeforeOthers )

inlineprivateinherited

Definition at line 2960 of file Task.cs.

    {
        object continuationObject = m_continuationObject;
        if (continuationObject != s_taskCompletionSentinel && !(continuationObject is List<object>))
        {
            Interlocked.CompareExchange(ref m_continuationObject, new List<object> { continuationObject }, continuationObject);
        }
        if (m_continuationObject is List<object> list)
        {
            lock (list)
            {
                if (m_continuationObject != s_taskCompletionSentinel)
                {
                    if (list.Count == list.Capacity)
                    {
                        list.RemoveAll((object l) => l == null);
                    }
                    if (addBeforeOthers)
                    {
                        list.Insert(0, tc);
                    }
                    else
                    {
                        list.Add(tc);
                    }
                    return true;
                }
            }
        }
        return false;
    }

References System.Collections.Generic.Dictionary< TKey, TValue >.Add(), System.Threading.Interlocked.CompareExchange(), System.list, System.Threading.Tasks.Task< TResult >.m_continuationObject, and System.Threading.Tasks.Task< TResult >.s_taskCompletionSentinel.

Referenced by System.Threading.Tasks.Task< TResult >.AddTaskContinuation().