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8<TITLE>CARDCheckExAsync</TITLE>
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11<H1>CARDCheckExAsync</H1>
12<H2>C Specification</H2>
13<DL>
14  <DD>
15<PRE><code>#include &lt;revolution/card.h&gt;
16
17typedef void (*CARDCallback)( s32 chan, s32 result );</code></PRE>
18  <DD>
19<PRE><CODE>s32 CARDCheckExAsync(s32 chan, s32* xferBytes, CARDCallback callback)<code>;</code></CODE></PRE>
20</DL>
21<H2>Arguments</H2>
22<TABLE border="1" cellpadding="3" cellspacing="0.1">
23  <TBODY>
24    <TR>
25<TD width="120" bgcolor="#ffffe8"><EM><STRONG><CODE>chan</CODE></STRONG></EM></TD>
26<TD width="520">EXI channel number.</TD>
27    </TR>
28    <TR>
29<TD width="120" bgcolor="#ffffe8"><EM><STRONG><CODE>callback</CODE></STRONG></EM></TD>
30<TD width="520">Callback function to notify about the result.</TD>
31    </TR>
32    <TR>
33<TD width="120" bgcolor="#ffffe8"><EM><STRONG><CODE><EM><STRONG><CODE>xferBytes</CODE></STRONG></EM></CODE></STRONG></EM></TD>
34<TD width="520">Bytes written to the Memory Card to repair the file system.</TD>
35    </TR>
36  </TBODY>
37</TABLE>
38<H2>Return Values</H2>
39<P>One of the following codes:</P>
40<P><code>CARD_RESULT_FATAL_ERROR<br> CARD_RESULT_NOCARD<br> CARD_RESULT_BUSY<br> CARD_RESULT_BROKEN<br> CARD_RESULT_ENCODING<br> CARD_RESULT_IOERROR<br> CARD_RESULT_READY</code></P>
41<H2>Description</H2>
42<P>Asynchronously checks the Memory Card for file system consistency and repairs it if possible.</P>
43<p>
44This 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>.
45</p>
46<P><b>Note:</b> <code>CARDCheckExAsync</code> can take milliseconds in CPU processing time and must not be called when the interrupt is prohibited.</P>
47<H2>See Also</H2>
48<P><A href="CARDGetResultCode.html"><CODE>CARDGetResultCode</CODE></A></P>
49<H2>Revision History</H2>
50<P>2007/09/25 Added information on the sleep status of threads.<br>2006/03/01 Initial version.</P>
51<hr><p>CONFIDENTIAL</p></body>
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