.cmxs</code>.</p>
</div>
</div>
<h2 id="1_Accesscontrol">Access control</h2>
<pre><span id="VALset_allowed_units"><span class="keyword">val</span> set_allowed_units</span> : <code class="type">string list -&gt; unit</code></pre><div class="info ">
<div class="info-desc">
<p>Set the list of compilation units that may be referenced from units that
    are dynamically loaded in the future to be exactly the given value.</p>

<p>Initially all compilation units composing the program currently running
    are avai