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<a href="#func-members">Functions</a> </div>
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<div class="title">Thread private data support</div> </div>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:ga1453eca6136fd77e5de88ea0e78cc7a4"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__THREADPRIVATE.html#ga1453eca6136fd77e5de88ea0e78cc7a4">__kmpc_copyprivate</a> (<a class="el" href="group__BASIC__TYPES.html#ga690fda6b92f039a72db263c6b4394ddb">ident_t</a> *loc, kmp_int32 gtid, size_t cpy_size, void *cpy_data, void(*cpy_func)(void *, void *), kmp_int32 didit)</td></tr>
<tr class="separator:ga1453eca6136fd77e5de88ea0e78cc7a4"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga120efa08eb51f45664477d30eff31916"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__THREADPRIVATE.html#ga120efa08eb51f45664477d30eff31916">__kmpc_threadprivate_register</a> (<a class="el" href="group__BASIC__TYPES.html#ga690fda6b92f039a72db263c6b4394ddb">ident_t</a> *loc, void *data, <a class="el" href="group__THREADPRIVATE.html#ga624e29556c7b9512007041f810162178">kmpc_ctor</a> ctor, <a class="el" href="group__THREADPRIVATE.html#ga9131424262dfaf915ed32d64d027395a">kmpc_cctor</a> cctor, <a class="el" href="group__THREADPRIVATE.html#ga0022db4aaaa57c523d2dded159b839c6">kmpc_dtor</a> dtor)</td></tr>
<tr class="separator:ga120efa08eb51f45664477d30eff31916"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gab4aa3dff2b1b55b1abb002ef69c7efe7"><td class="memItemLeft" align="right" valign="top">void * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__THREADPRIVATE.html#gab4aa3dff2b1b55b1abb002ef69c7efe7">__kmpc_threadprivate_cached</a> (<a class="el" href="group__BASIC__TYPES.html#ga690fda6b92f039a72db263c6b4394ddb">ident_t</a> *loc, kmp_int32 global_tid, void *data, size_t size, void ***cache)</td></tr>
<tr class="separator:gab4aa3dff2b1b55b1abb002ef69c7efe7"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gaec6e88892a1b0b62287df5173a7f0336"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__THREADPRIVATE.html#gaec6e88892a1b0b62287df5173a7f0336">__kmpc_threadprivate_register_vec</a> (<a class="el" href="group__BASIC__TYPES.html#ga690fda6b92f039a72db263c6b4394ddb">ident_t</a> *loc, void *data, <a class="el" href="group__THREADPRIVATE.html#ga703757075efc7332bd6536f5aa736eb1">kmpc_ctor_vec</a> ctor, <a class="el" href="group__THREADPRIVATE.html#gad3eacfc14b46b4149241b7e7396d4116">kmpc_cctor_vec</a> cctor, <a class="el" href="group__THREADPRIVATE.html#gade0f0039759394de2bffbb966deb9855">kmpc_dtor_vec</a> dtor, size_t vector_length)</td></tr>
<tr class="separator:gaec6e88892a1b0b62287df5173a7f0336"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga624e29556c7b9512007041f810162178"><td class="memItemLeft" align="right" valign="top">typedef void *(* </td><td class="memItemRight" valign="bottom"><a class="el" href="group__THREADPRIVATE.html#ga624e29556c7b9512007041f810162178">kmpc_ctor</a>) (void *)</td></tr>
<tr class="separator:ga624e29556c7b9512007041f810162178"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga0022db4aaaa57c523d2dded159b839c6"><td class="memItemLeft" align="right" valign="top">typedef void(* </td><td class="memItemRight" valign="bottom"><a class="el" href="group__THREADPRIVATE.html#ga0022db4aaaa57c523d2dded159b839c6">kmpc_dtor</a>) (void *)</td></tr>
<tr class="separator:ga0022db4aaaa57c523d2dded159b839c6"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga9131424262dfaf915ed32d64d027395a"><td class="memItemLeft" align="right" valign="top">typedef void *(* </td><td class="memItemRight" valign="bottom"><a class="el" href="group__THREADPRIVATE.html#ga9131424262dfaf915ed32d64d027395a">kmpc_cctor</a>) (void *, void *)</td></tr>
<tr class="separator:ga9131424262dfaf915ed32d64d027395a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga703757075efc7332bd6536f5aa736eb1"><td class="memItemLeft" align="right" valign="top">typedef void *(* </td><td class="memItemRight" valign="bottom"><a class="el" href="group__THREADPRIVATE.html#ga703757075efc7332bd6536f5aa736eb1">kmpc_ctor_vec</a>) (void *, size_t)</td></tr>
<tr class="separator:ga703757075efc7332bd6536f5aa736eb1"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gade0f0039759394de2bffbb966deb9855"><td class="memItemLeft" align="right" valign="top">typedef void(* </td><td class="memItemRight" valign="bottom"><a class="el" href="group__THREADPRIVATE.html#gade0f0039759394de2bffbb966deb9855">kmpc_dtor_vec</a>) (void *, size_t)</td></tr>
<tr class="separator:gade0f0039759394de2bffbb966deb9855"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gad3eacfc14b46b4149241b7e7396d4116"><td class="memItemLeft" align="right" valign="top">typedef void *(* </td><td class="memItemRight" valign="bottom"><a class="el" href="group__THREADPRIVATE.html#gad3eacfc14b46b4149241b7e7396d4116">kmpc_cctor_vec</a>) (void *, void *, size_t)</td></tr>
<tr class="separator:gad3eacfc14b46b4149241b7e7396d4116"><td class="memSeparator" colspan="2"> </td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>These functions support copyin/out and thread private data. </p>
<h2 class="groupheader">Typedef Documentation</h2>
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<td class="memname">typedef void*(* kmpc_cctor) (void *, void *)</td>
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<p>Pointer to an alternate constructor. The first argument is the <code>this</code> pointer. </p>
<p>Definition at line <a class="el" href="kmp_8h_source.html#l01312">1312</a> of file <a class="el" href="kmp_8h_source.html">kmp.h</a>.</p>
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<td class="memname">typedef void*(* kmpc_cctor_vec) (void *, void *, size_t)</td>
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<p>Array constructor. First argument is the <code>this</code> pointer Third argument the number of array elements. </p>
<p>Definition at line <a class="el" href="kmp_8h_source.html#l01334">1334</a> of file <a class="el" href="kmp_8h_source.html">kmp.h</a>.</p>
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<td class="memname">typedef void*(* kmpc_ctor) (void *)</td>
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<p>Pointer to the constructor function. The first argument is the <code>this</code> pointer </p>
<p>Definition at line <a class="el" href="kmp_8h_source.html#l01301">1301</a> of file <a class="el" href="kmp_8h_source.html">kmp.h</a>.</p>
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<td class="memname">typedef void*(* kmpc_ctor_vec) (void *, size_t)</td>
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<p>Array constructor. First argument is the <code>this</code> pointer Second argument the number of array elements. </p>
<p>Definition at line <a class="el" href="kmp_8h_source.html#l01322">1322</a> of file <a class="el" href="kmp_8h_source.html">kmp.h</a>.</p>
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<td class="memname">typedef void(* kmpc_dtor) (void *)</td>
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<p>Pointer to the destructor function. The first argument is the <code>this</code> pointer </p>
<p>Definition at line <a class="el" href="kmp_8h_source.html#l01307">1307</a> of file <a class="el" href="kmp_8h_source.html">kmp.h</a>.</p>
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<td class="memname">typedef void(* kmpc_dtor_vec) (void *, size_t)</td>
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<p>Pointer to the array destructor function. The first argument is the <code>this</code> pointer Second argument the number of array elements. </p>
<p>Definition at line <a class="el" href="kmp_8h_source.html#l01328">1328</a> of file <a class="el" href="kmp_8h_source.html">kmp.h</a>.</p>
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<h2 class="groupheader">Function Documentation</h2>
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<td class="memname">void __kmpc_copyprivate </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__BASIC__TYPES.html#ga690fda6b92f039a72db263c6b4394ddb">ident_t</a> * </td>
<td class="paramname"><em>loc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">kmp_int32 </td>
<td class="paramname"><em>gtid</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"><em>cpy_size</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">void * </td>
<td class="paramname"><em>cpy_data</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">void(*)(void *, void *) </td>
<td class="paramname"><em>cpy_func</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">kmp_int32 </td>
<td class="paramname"><em>didit</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">loc</td><td>source location information </td></tr>
<tr><td class="paramname">gtid</td><td>global thread number </td></tr>
<tr><td class="paramname">cpy_size</td><td>size of the cpy_data buffer </td></tr>
<tr><td class="paramname">cpy_data</td><td>pointer to data to be copied </td></tr>
<tr><td class="paramname">cpy_func</td><td>helper function to call for copying data </td></tr>
<tr><td class="paramname">didit</td><td>flag variable: 1=single thread; 0=not single thread</td></tr>
</table>
</dd>
</dl>
<p>__kmpc_copyprivate implements the interface for the private data broadcast needed for the copyprivate clause associated with a single region in an OpenMP<sup>*</sup> program (both C and Fortran). All threads participating in the parallel region call this routine. One of the threads (called the single thread) should have the <code>didit</code> variable set to 1 and all other threads should have that variable set to 0. All threads pass a pointer to a data buffer (cpy_data) that they have built.</p>
<p>The OpenMP specification forbids the use of nowait on the single region when a copyprivate clause is present. However, <a class="el" href="group__THREADPRIVATE.html#ga1453eca6136fd77e5de88ea0e78cc7a4">__kmpc_copyprivate</a> implements a barrier internally to avoid race conditions, so the code generation for the single region should avoid generating a barrier after the call to <a class="el" href="group__THREADPRIVATE.html#ga1453eca6136fd77e5de88ea0e78cc7a4">__kmpc_copyprivate</a>.</p>
<p>The <code>gtid</code> parameter is the global thread id for the current thread. The <code>loc</code> parameter is a pointer to source location information.</p>
<p>Internal implementation: The single thread will first copy its descriptor address (cpy_data) to a team-private location, then the other threads will each call the function pointed to by the parameter cpy_func, which carries out the copy by copying the data using the cpy_data buffer.</p>
<p>The cpy_func routine used for the copy and the contents of the data area defined by cpy_data and cpy_size may be built in any fashion that will allow the copy to be done. For instance, the cpy_data buffer can hold the actual data to be copied or it may hold a list of pointers to the data. The cpy_func routine must interpret the cpy_data buffer appropriately.</p>
<p>The interface to cpy_func is as follows: </p><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> void cpy_func( void *destination, void *source )</div>
</div><!-- fragment --><p> where void *destination is the cpy_data pointer for the thread being copied to and void *source is the cpy_data pointer for the thread being copied from. </p>
<p>Definition at line <a class="el" href="kmp__csupport_8c_source.html#l01645">1645</a> of file <a class="el" href="kmp__csupport_8c_source.html">kmp_csupport.c</a>.</p>
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<td class="memname">void* __kmpc_threadprivate_cached </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__BASIC__TYPES.html#ga690fda6b92f039a72db263c6b4394ddb">ident_t</a> * </td>
<td class="paramname"><em>loc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">kmp_int32 </td>
<td class="paramname"><em>global_tid</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">void * </td>
<td class="paramname"><em>data</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"><em>size</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">void *** </td>
<td class="paramname"><em>cache</em> </td>
</tr>
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<td></td>
<td>)</td>
<td></td><td></td>
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<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">loc</td><td>source location information </td></tr>
<tr><td class="paramname">global_tid</td><td>global thread number </td></tr>
<tr><td class="paramname">data</td><td>pointer to data to privatize </td></tr>
<tr><td class="paramname">size</td><td>size of data to privatize </td></tr>
<tr><td class="paramname">cache</td><td>pointer to cache </td></tr>
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</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>pointer to private storage</dd></dl>
<p>Allocate private storage for threadprivate data. </p>
<p>Definition at line <a class="el" href="kmp__threadprivate_8c_source.html#l00630">630</a> of file <a class="el" href="kmp__threadprivate_8c_source.html">kmp_threadprivate.c</a>.</p>
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<td class="memname">void __kmpc_threadprivate_register </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__BASIC__TYPES.html#ga690fda6b92f039a72db263c6b4394ddb">ident_t</a> * </td>
<td class="paramname"><em>loc</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">void * </td>
<td class="paramname"><em>data</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__THREADPRIVATE.html#ga624e29556c7b9512007041f810162178">kmpc_ctor</a> </td>
<td class="paramname"><em>ctor</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__THREADPRIVATE.html#ga9131424262dfaf915ed32d64d027395a">kmpc_cctor</a> </td>
<td class="paramname"><em>cctor</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__THREADPRIVATE.html#ga0022db4aaaa57c523d2dded159b839c6">kmpc_dtor</a> </td>
<td class="paramname"><em>dtor</em> </td>
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<td>)</td>
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<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">loc</td><td>source location information </td></tr>
<tr><td class="paramname">data</td><td>pointer to data being privatized </td></tr>
<tr><td class="paramname">ctor</td><td>pointer to constructor function for data </td></tr>
<tr><td class="paramname">cctor</td><td>pointer to copy constructor function for data </td></tr>
<tr><td class="paramname">dtor</td><td>pointer to destructor function for data</td></tr>
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<p>Register constructors and destructors for thread private data. This function is called when executing in parallel, when we know the thread id. </p>
<p>Definition at line <a class="el" href="kmp__threadprivate_8c_source.html#l00532">532</a> of file <a class="el" href="kmp__threadprivate_8c_source.html">kmp_threadprivate.c</a>.</p>
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<td class="memname">void __kmpc_threadprivate_register_vec </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__BASIC__TYPES.html#ga690fda6b92f039a72db263c6b4394ddb">ident_t</a> * </td>
<td class="paramname"><em>loc</em>, </td>
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<td class="paramtype">void * </td>
<td class="paramname"><em>data</em>, </td>
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<td class="paramtype"><a class="el" href="group__THREADPRIVATE.html#ga703757075efc7332bd6536f5aa736eb1">kmpc_ctor_vec</a> </td>
<td class="paramname"><em>ctor</em>, </td>
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<td class="paramtype"><a class="el" href="group__THREADPRIVATE.html#gad3eacfc14b46b4149241b7e7396d4116">kmpc_cctor_vec</a> </td>
<td class="paramname"><em>cctor</em>, </td>
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<td class="paramtype"><a class="el" href="group__THREADPRIVATE.html#gade0f0039759394de2bffbb966deb9855">kmpc_dtor_vec</a> </td>
<td class="paramname"><em>dtor</em>, </td>
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<td class="paramtype">size_t </td>
<td class="paramname"><em>vector_length</em> </td>
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<td>)</td>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">loc</td><td>source location information </td></tr>
<tr><td class="paramname">data</td><td>pointer to data being privatized </td></tr>
<tr><td class="paramname">ctor</td><td>pointer to constructor function for data </td></tr>
<tr><td class="paramname">cctor</td><td>pointer to copy constructor function for data </td></tr>
<tr><td class="paramname">dtor</td><td>pointer to destructor function for data </td></tr>
<tr><td class="paramname">vector_length</td><td>length of the vector (bytes or elements?) Register vector constructors and destructors for thread private data. </td></tr>
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<p>Definition at line <a class="el" href="kmp__threadprivate_8c_source.html#l00699">699</a> of file <a class="el" href="kmp__threadprivate_8c_source.html">kmp_threadprivate.c</a>.</p>
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