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<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="cnd_timedwait.html" title="c/thread/cnd timedwait"><span class="t-lines"><span>cnd_timedwait</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="cnd_destroy.html" title="c/thread/cnd destroy"><span class="t-lines"><span>cnd_destroy</span></span></a></div></div></td></tr>
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<tr class="t-nv-h1"><td colspan="5"> Thread-local storage</td></tr>
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<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="TSS_DTOR_ITERATIONS.html" title="c/thread/TSS DTOR ITERATIONS"><span class="t-lines"><span>TSS_DTOR_ITERATIONS</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="tss_create.html" title="c/thread/tss create"><span class="t-lines"><span>tss_create</span></span></a></div></div></td></tr>
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<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="tss_get.html" title="c/thread/tss get"><span class="t-lines"><span>tss_get</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="tss_set.html" title="c/thread/tss set"><span class="t-lines"><span>tss_set</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><strong class="selflink"><span class="t-lines"><span>tss_delete</span></span></strong></div></div></td></tr>
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</table></div><div><span class="editsection noprint plainlinks" title="Edit this template"><a rel="nofollow" class="external text" href="http://en.cppreference.com/mwiki/index.php?title=Template:c/thread/navbar_content&action=edit">[edit]</a></span></div></div></div></div><div class="t-navbar-sep"> </div></div>
<table class="t-dcl-begin"><tbody>
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<td> <div>Defined in header <code><threads.h></code>
</div></td>
<td></td>
<td></td>
</tr>
<tr class="t-dcl t-since-c11">
<td> <div><span class="mw-geshi c source-c"><span class="kw4">void</span> tss_delete<span class="br0">(</span> <a href="../thread.html"><span class="kw1034">tss_t</span></a> tss_id <span class="br0">)</span><span class="sy4">;</span></span></div></td>
<td class="t-dcl-nopad"> </td>
<td> <span class="t-mark-rev t-since-c11">(since C11)</span> </td>
</tr>
<tr class="t-dcl-sep"><td></td><td></td><td></td></tr>
</tbody></table>
<p>Destroys the thread-specific storage identified by <code>tss_id</code>.
</p><p>The destructor, if one was registered by <span class="t-lc"><a href="tss_create.html" title="c/thread/tss create">tss_create</a></span>, is not called (they are only called at thread exit, either by <span class="t-lc"><a href="thrd_exit.html" title="c/thread/thrd exit">thrd_exit</a></span> or by returning from the thread function), it is the responsibility of the programmer to ensure that every thread that is aware of <code>tss_id</code> performed all necessary cleanup, before the call to <code>tss_delete</code> is made.
</p><p>If <code>tss_delete</code> is called while another thread is executing destructors for <code>tss_id</code>, it's unspecified whether this changes the number of invocations to the associated destructor.
</p><p>If <code>tss_delete</code> is called while the calling thread is executing destructors, then the destructor associated with <code>tss_id</code> will not be executed again on this thread.
</p>
<table id="toc" class="toc"><tr><td><div id="toctitle"><h2>Contents</h2></div>
<ul>
<li class="toclevel-1 tocsection-1"><a href="tss_delete.html#Parameters"><span class="tocnumber">1</span> <span class="toctext">Parameters</span></a></li>
<li class="toclevel-1 tocsection-2"><a href="tss_delete.html#Return_value"><span class="tocnumber">2</span> <span class="toctext">Return value</span></a></li>
<li class="toclevel-1 tocsection-3"><a href="tss_delete.html#Notes"><span class="tocnumber">3</span> <span class="toctext">Notes</span></a></li>
<li class="toclevel-1 tocsection-4"><a href="tss_delete.html#Example"><span class="tocnumber">4</span> <span class="toctext">Example</span></a></li>
<li class="toclevel-1 tocsection-5"><a href="tss_delete.html#References"><span class="tocnumber">5</span> <span class="toctext">References</span></a></li>
</ul>
</td></tr></table>
<h3><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=c/thread/tss_delete&action=edit&section=1" title="Edit section: Parameters">edit</a>]</span> <span class="mw-headline" id="Parameters">Parameters</span></h3>
<table class="t-par-begin">
<tr class="t-par">
<td> tss_id
</td>
<td> -
</td>
<td> thread-specific storage key previously returned by <span class="t-lc"><a href="tss_create.html" title="c/thread/tss create">tss_create</a></span> and not yet deleted by <span class="t-lc"><strong class="selflink">tss_delete</strong></span>
</td></tr></table>
<h3><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=c/thread/tss_delete&action=edit&section=2" title="Edit section: Return value">edit</a>]</span> <span class="mw-headline" id="Return_value">Return value</span></h3>
<p>(none)
</p>
<h3><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=c/thread/tss_delete&action=edit&section=3" title="Edit section: Notes">edit</a>]</span> <span class="mw-headline" id="Notes">Notes</span></h3>
<p>The POSIX equivalent of this function is <a rel="nofollow" class="external text" href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_key_delete.html">pthread_key_delete</a>
</p><p>The reason <code>tss_delete</code> never calls destructors is that the destructors (called at thread exit) are normally intended to be executed by the same thread that originally set the value (via <span class="t-lc"><a href="tss_set.html" title="c/thread/tss set">tss_set</a></span>) that the destructor will be dealing with, and may even rely on the values of that or other thread-specific data as seen by that thread. The thread executing <code>tss_delete</code> has no access to other threads' TSS. Even if it were possible to call the destructor for each thread's own value associated with <code>tss_id</code>, <code>tss_delete</code> would have to synchronize with every thread if only to examine whether the value of this TSS in that thread is null (destructors are only called against non-null values).
</p>
<h3><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=c/thread/tss_delete&action=edit&section=4" title="Edit section: Example">edit</a>]</span> <span class="mw-headline" id="Example">Example</span></h3>
<table class="metadata plainlinks ambox mbox-small-left ambox-notice" style=""><tr><td class="mbox-empty-cell"></td><td class="mbox-text" style="">This section is incomplete<br />Reason: no example </td></tr></table>
<h3><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=c/thread/tss_delete&action=edit&section=5" title="Edit section: References">edit</a>]</span> <span class="mw-headline" id="References">References</span></h3>
<div class="t-ref-std-11">
<ul><li> C11 standard (ISO/IEC 9899:2011):
</li></ul>
<dl><dd><ul><li> 7.26.6.2 The tss_delete function (p: 386)
</li></ul>
</dd></dl>
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