/// <summary>
/// When the current dependent node is a synchronous task, this method is called before the thread is blocked to wait it to complete.
/// This adds the current task to the dependingSynchronousTaskTracking list of the task itself (which will propergate through its dependencies.)
/// After the task is finished, <see cref="OnSynchronousTaskEndToBlockWaiting"/> is called to revert this change.
/// This method is expected to be used with the JTF lock.
/// </summary>
/// <param name="taskItem">The current joinableTask or collection.</param>
/// <param name="taskHasPendingRequests">Return the JoinableTask which has already had pending requests to be handled.</param>
/// <param name="pendingRequestsCount">The number of pending requests.</param>
internal static void OnSynchronousTaskStartToBlockWaiting(JoinableTask taskItem, out JoinableTask?taskHasPendingRequests, out int pendingRequestsCount)
{
Requires.NotNull(taskItem, nameof(taskItem));
Assumes.True(Monitor.IsEntered(taskItem.Factory.Context.SyncContextLock));
JoinableTaskDependentData.OnSynchronousTaskStartToBlockWaiting(taskItem, out taskHasPendingRequests, out pendingRequestsCount);
}
