devdocs/c/thread%2Ftss_get.html


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    <h1 id="firstHeading" class="firstHeading">tss_get</h1>            <table class="t-dcl-begin"> <tr class="t-dsc-header"> <th> Defined in header <code>&lt;threads.h&gt;</code> </th> <th> </th> <th> </th> </tr> <tr class="t-dcl t-since-c11"> <td> <pre data-language="c">void *tss_get( tss_t tss_key );</pre>
</td> <td class="t-dcl-nopad"> </td> <td> <span class="t-mark-rev t-since-c11">(since C11)</span> </td> </tr>  </table> <p>Returns the value held in thread-specific storage for the current thread identified by <code>tss_key</code>. Different threads may get different values identified by the same key.</p>
<p>On thread startup (see <code><a href="thrd_create" title="c/thread/thrd create">thrd_create</a></code>), the values associated with all TSS keys are NULL. Different value may be placed in the thread-specific storage with <code><a href="tss_set" title="c/thread/tss set">tss_set</a></code>.</p>
<h3 id="Parameters"> Parameters</h3> <table class="t-par-begin"> <tr class="t-par"> <td> tss_key </td> <td> - </td> <td> thread-specific storage key, obtained from <code><a href="tss_create" title="c/thread/tss create">tss_create</a></code> and not deleted by <code><a href="tss_delete" title="c/thread/tss delete">tss_delete</a></code> </td>
</tr>
</table> <h3 id="Return_value"> Return value</h3> <p>The value on success, <code><a href="../types/null" title="c/types/NULL">NULL</a></code> on failure.</p>
<h3 id="Notes"> Notes</h3> <p>The POSIX equivalent for this function is <a rel="nofollow" class="external text" href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_getspecific.html"><code>pthread_getspecific</code></a>.</p>
<h3 id="Example"> Example</h3>  <h3 id="References"> References</h3>  <ul>
<li> C17 standard (ISO/IEC 9899:2018): </li>
<ul><li> 7.26.6.3 The tss_get function (p: 282) </li></ul>
<li> C11 standard (ISO/IEC 9899:2011): </li>
<ul><li> 7.26.6.3 The tss_get function (p: 386) </li></ul>
</ul>       <h3 id="See_also"> See also</h3> <table class="t-dsc-begin"> <tr class="t-dsc"> <td> <div><a href="tss_set" title="c/thread/tss set"> <span class="t-lines"><span>tss_set</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-c11">(C11)</span></span></span></div> </td> <td> write to thread-specific storage <br> <span class="t-mark">(function)</span>  </td>
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