/// <summary>Queues a task to the scheduler.</summary>
/// <param name="task">The task to be queued.</param>
protected sealed override void QueueTask(tt.Task task)
{
// Add the task to the list of tasks to be processed. If there aren't enough
// delegates currently queued or running to process tasks, schedule another.
lock (tasks)
{
tasks.AddLast(task);
if (delegatesQueuedOrRunning < maxDegreeOfParallelism)
{
++delegatesQueuedOrRunning;
NotifyThreadPoolOfPendingWork();
}
}
}
protected TaskWrapper( _THREADING.Task t )
{
Debug.Assert( t != null );
_t = t;
}
/// <summary>Attempts to execute the specified task on the current thread.</summary>
/// <param name="task">The task to be executed.</param>
/// <param name="taskWasPreviouslyQueued"></param>
/// <returns>Whether the task could be executed on the current thread.</returns>
protected sealed override bool TryExecuteTaskInline(tt.Task task, bool taskWasPreviouslyQueued)
{
// If this thread isn't already processing a task, we don't support inlining
if (!currentThreadIsProcessingItems) return false;
// If the task was previously queued, remove it from the queue
if (taskWasPreviouslyQueued) TryDequeue(task);
// Try to run the task.
return base.TryExecuteTask(task);
}
/// <summary>Attempts to remove a previously scheduled task from the scheduler.</summary>
/// <param name="task">The task to be removed.</param>
/// <returns>Whether the task could be found and removed.</returns>
protected sealed override bool TryDequeue(tt.Task task)
{
lock (tasks) return tasks.Remove(task);
}