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14<h1 align="left">VIWaitForRetrace</h1>
15
16<h2>C Specification</h2>
17
18<dl>
19  <dd><pre><code>#include &lt;revolution/vi.h&gt;</code></pre>
20  </dd>
21  <dd><pre><code>void VIWaitForRetrace(void)</code></pre>
22  </dd>
23</dl>
24
25<h2>Arguments</h2>
26
27<p>None.</p>
28
29<h2>Return Values</h2>
30
31<p>None.</p>
32
33<h2>Description</h2>
34
35<p>This function waits until the next vertical retrace interrupt occurs.&nbsp;If an idle function has been set, this function will be called..</p>
36<p>This function may put the current thread to sleep. For precautions when calling similar functions, refer to <a href="../os/Interrupt/intro.html">Interrupts and Callback Functions</a>.</p>
37
38<h2>See Also</h2>
39<p>
40<code><a href="../os/Thread/OSGetIdleFunction.html">OSGetIdleFunction</a></code>, <a href="../os/Interrupt/intro.html">Interrupts and Callback Functions</a>
41</p>
42<h2>Revision History</h2>
43<p>
442007/09/25 Added information on the sleep status of threads.<br>2006/03/01 Initial version.<br>
45</p>
46<hr><p>CONFIDENTIAL</p></body>
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