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7<title>WaitSio</title>
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9  <body>
10<h1><CODE>CDEVHIO::WaitSio</CODE> Member Function</h1>
11<h2>Syntax</h2>
12    <div class="section">
13      <pre class="definition">#include &lt;kmc/hio/CDevHIO.h&gt;
14
15int WaitSio(
16     int ch,
17     int attr
18);
19</pre>
20    </div>
21<h2>Arguments</h2>
22    <div class="section">
23      <table class="arguments">
24        <thead>
25          <tr>
26            <td width="15" />
27<th>Name</th>
28<td>Description</td>
29          </tr>
30        </thead>
31        <tr>
32<td>in</td>
33<th>ch</th>
34<td>Channel number to wait for (from <CODE>0</CODE> to <CODE>DEVHIO_SIO_MAX_CHANNEL-1</CODE>).</td>
35        </tr>
36        <tr>
37<td>in</td>
38<th>attr</th>
39<td>Specifying <CODE>DEVHIO_SIO_ATTR_NONE</CODE> causes the function to block until the communication partner calls <CODE>connect</CODE>.<br />Specifying <CODE>DEVHIO_SIO_ATTR_NOWAIT</CODE> causes the operation to return immediately without blocking.</td>
40        </tr> </table>
41    </div>
42<h2>Return Values</h2>
43<div class="section">Negative value: Error.<br />0: Not connected.<br />1: Connected (communication possible). </div>
44<h2>Description</h2>
45    <div class="section">
46<p>Waits until the target device for serial communication calls <CODE>connect</CODE>.</p><!-- write here --></div>
47<h2>Revision History</h2>
48    <div class="section">
49      <dl class="history">
50        <dt>2010/11/10</dt>
51<dd>Initial version.<br />
52        </dd>
53      </dl>
54    </div>
55  <hr><p>CONFIDENTIAL</p></body>
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