public static void Enqueue(this LinkedList <AsyncLock.SyncTask> queue, AsyncLock.SyncTask item)
{
if (item.Node != null)
{
throw new ArgumentException("Already assigned to some queue.", "item");
}
Contract.EndContractBlock();
item.Node = queue.AddLast(item);
}
public static bool RemoveO1(this LinkedList <AsyncLock.SyncTask> queue, AsyncLock.SyncTask item)
{
if (item.Node == null || !Object.ReferenceEquals(item.Node.List, queue) || item.Node.Value != item)
{
return(false);
}
queue.Remove(item.Node);
item.Node = null;
return(true);
}