//
// Cancels the specified add attempt.
//
internal override void CancelAddAttempt(WaitNode wn, WaitNode ignored)
{
if (wn.next != wn)
{
qlock.Enter();
waitQueue.Remove(wn);
qlock.Exit();
}
}
/// <summary>
/// Unblock, but do not resume, the specified <see cref="DesTask"/>.
/// </summary>
/// <remarks>
/// <para>
/// This method is used to remove <paramref name="desTask"/> from the
/// <see cref="DesTask"/> instance's wait list without resuming the
/// execution of <paramref name="desTask"/>. The most common use for
/// invoking <see cref="Unblock"/> is to stop a <see cref="DesTask"/>
/// from waiting after it has been resumed by another means (e.g. a
/// different simulation object has resumed <paramref name="desTask"/>).
/// </para>
/// <para>
/// Again, it's very important to realize that <see cref="Unblock"/>
/// does <b>not</b> activate <paramref name="desTask"/>.
/// </para>
/// <para>
/// This method does nothing if <paramref name="desTask"/> equals
/// <c>this</c> or is <see langword="null"/>.
/// </para>
/// </remarks>
/// <param name="desTask">
/// The <see cref="DesTask"/> which will stop blocking on this
/// <see cref="DesTask"/> instance.
/// </param>
public virtual void Unblock(DesTask desTask)
{
if (desTask != null && desTask != this && BlockCount > 0)
{
WaitQueue.Remove(desTask);
desTask.UpdateBlockingLinks(this, false);
}
}
/// <summary>
/// Unblock, but do not resume, the specified <see cref="Task"/>.
/// </summary>
/// <remarks>
/// <para>
/// This method is used to remove <paramref name="task"/> from the
/// <see cref="Task"/> instance's wait list without resuming the
/// execution of <paramref name="task"/>. The most common use for
/// invoking <see cref="Unblock"/> is to stop a <see cref="Task"/>
/// from waiting after it has been resumed by another means (e.g. a
/// different simulation object has resumed <paramref name="task"/>).
/// </para>
/// <para>
/// Again, it's very important to realize that <see cref="Unblock"/>
/// does <b>not</b> activate <paramref name="task"/>.
/// </para>
/// <para>
/// This method does nothing if <paramref name="task"/> equals
/// <c>this</c> or is <see langword="null"/>.
/// </para>
/// </remarks>
/// <param name="task">
/// The <see cref="Task"/> which will stop blocking on this
/// <see cref="Task"/> instance.
/// </param>
public virtual void Unblock(Task task)
{
if (task != null && task != this && BlockCount > 0)
{
WaitQueue.Remove(task);
task.UpdateBlockingLinks(this, false);
}
}