class=font-tt>blocking</span></span> to indicate that it
may block on an input/output operation. The generated code will then
allow other Caml threads to execute concurrently with the operation.</p>
<h3 id="sec31" class="subsection">3.10 Interfaces</h3>
<p>IDL interfaces that do not have the <span class=syntax-token>object</span> attribute are
essentially ignored. That is, the declarations contained in the
interface are processed as if they occurred at the top-level of the
IDL file. The <span class=syntax