/// <summary>
/// Makes available the permit for the given thread, if it
/// was not already available. If the thread was blocked on
/// {@code park} then it will unblock. Otherwise, its next call
/// to {@code park} is guaranteed not to block. This operation
/// is not guaranteed to have any effect at all if the given
/// thread has not been started.
/// </summary>
/// <param name="thread"> the thread to unpark, or {@code null}, in which case
/// this operation has no effect </param>
public static void Unpark(Thread thread)
{
if (thread != null)
{
UNSAFE.unpark(thread);
}
}
