s to lock the mutex associated with <code>cond</code> before signalling for predictable scheduling behaviour.</p>
</blockquote>
<h1 id="al_signal_cond"><a href="#TOC">al_signal_cond</a></h1>
<pre><code>void al_signal_cond(ALLEGRO_COND *cond)
</code></pre>
<p>Unblock at least one thread waiting on a condition variable.</p>
<p>Generally you should use <a href="threads.html#al_broadcast_cond">al_broadcast_cond</a> but <a href="threads.html#al_signal_cond">al_signal_cond</a> may be more efficient when it's appl