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14<h1>OSGetThreadSpecific/OSSetThreadSpecific</h1>
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16
17<h2>C Specification</h2>
18
19<dl>
20<dd><pre>#include &lt;revolution/os.h&gt;
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22#define OS_THREAD_SPECIFIC_MAX 2
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24void* OSGetThreadSpecific ( s32 index );
25void  OSSetThreadSpecific ( s32 index, void* ptr );</pre>
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28<h2>Arguments</h2>
29<TABLE border="1" cellpadding="3" cellspacing="0.1">
30  <tr>
31<TD width="120" bgcolor="#ffffe8"><code><b><i><STRONG><EM><CODE>index</CODE></EM></STRONG></i></b></code></TD>
32<TD width="520">Index to the thread-specific data (zero or one).</TD>
33    </tr>
34  <tr>
35<TD width="120" bgcolor="#ffffe8"><code><b><i><code><EM><STRONG>ptr</STRONG></EM></code></i></b></code></TD>
36<TD width="520">Thread-specific data to set (<code>OSSetThreadSpecific</code>).</TD>
37    </tr>
38</TABLE>
39<h2>Return Values</h2>
40<P>The <code>OSGetThreadSpecific</code> function returns the thread-specific data at <code><em><strong>index</strong></em></code>. The <code>OSSetThreadSpecific</code> function does not have return values.</P>
41<h2>Description</h2>
42<P>Gets/sets data specific to the thread that calls this function. Up to a maximum of <code>OS_THREAD_SPECIFIC_MAX</code> <CODE>void</CODE> type pointers can be separately stored for each thread in the <code>OSThread</code> structure. When threads are created, thread-specific data is zeroed out.</P>
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44<h2>See Also</h2>
45
46<p><a href="../toc.html#Thread" target="contents">Thread Functions</a>, <a href="../toc.html#ThreadSynchronization" target="contents">Thread Synchronization Functions</a>, <a href="OSCreateThread.html"><code>OSCreateThread</code></a>,&nbsp; <a href="OSGetThreadPriority.html"><code>OSGetThreadPriority</code></a></p>
47<H2>Revision History</H2>
48<P>03/01/2006 Initial version.</P>
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