e="disc">
<li class="listitem">
                have already been invoked; or
              </li>
<li class="listitem">
                have been queued for invocation in the near future.
              </li>
</ul></div>
<p>
            These handlers can no longer be cancelled, and therefore are passed an
            error code that indicates the successful completion of the wait operation.
          </p>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td 