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<div id="projectname">Hardware Locality (hwloc)
 <span id="projectnumber">2.4.1</span>
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<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_5cb306d949c7931a3b6c77517393dd34.html">hwloc</a></li> </ul>
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<div class="title">linux-libnuma.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright © 2009 CNRS</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * Copyright © 2009-2017 Inria. All rights reserved.</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * Copyright © 2009-2010, 2012 Université Bordeaux</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * See COPYING in top-level directory.</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>  </div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#ifndef HWLOC_LINUX_LIBNUMA_H</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#define HWLOC_LINUX_LIBNUMA_H</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  </div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include "hwloc.h"</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  </div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <numa.h></span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  </div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  </div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="keyword">extern</span> <span class="stringliteral">"C"</span> {</div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  </div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  </div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="keyword">static</span> __hwloc_inline <span class="keywordtype">int</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="a00221.html#gae577962390f84b0b12f503314ab0f972"> 55</a></span> <a class="code" href="a00221.html#gae577962390f84b0b12f503314ab0f972">hwloc_cpuset_to_linux_libnuma_ulongs</a>(<a class="code" href="a00192.html#ga9d1e76ee15a7dee158b786c30b6a6e38">hwloc_topology_t</a> topology, <a class="code" href="a00189.html#ga1f784433e9b606261f62d1134f6a3b25">hwloc_const_cpuset_t</a> cpuset,</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> *mask, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> *maxnode)</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> {</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordtype">int</span> depth = <a class="code" href="a00193.html#ga8bec782e21be313750da70cf7428b374">hwloc_get_type_depth</a>(topology, <a class="code" href="a00190.html#ggacd37bb612667dc437d66bfb175a8dc55a9d917a3e5497950c6d8948b8e183db5a">HWLOC_OBJ_NUMANODE</a>);</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> outmaxnode = -1;</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <a class="code" href="a00244.html">hwloc_obj_t</a> node = NULL;</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  </div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="comment">/* round-up to the next ulong and clear all bytes */</span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  *maxnode = (*maxnode + 8*<span class="keyword">sizeof</span>(*mask) - 1) & ~(8*<span class="keyword">sizeof</span>(*mask) - 1);</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  memset(mask, 0, *maxnode/8);</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  </div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">while</span> ((node = <a class="code" href="a00202.html#gaba4b6d86eba1169ced4b0e941d2bb5f0">hwloc_get_next_obj_covering_cpuset_by_depth</a>(topology, cpuset, depth, node)) != NULL) {</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">if</span> (node-><a class="code" href="a00244.html#a61a7a80a68eaccbaaa28269e678c81a9">os_index</a> >= *maxnode)</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  mask[node-><a class="code" href="a00244.html#a61a7a80a68eaccbaaa28269e678c81a9">os_index</a>/<span class="keyword">sizeof</span>(*mask)/8] |= 1UL << (node-><a class="code" href="a00244.html#a61a7a80a68eaccbaaa28269e678c81a9">os_index</a> % (<span class="keyword">sizeof</span>(*mask)*8));</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">if</span> (outmaxnode == (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>) -1 || outmaxnode < node-><a class="code" href="a00244.html#a61a7a80a68eaccbaaa28269e678c81a9">os_index</a>)</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  outmaxnode = node-><a class="code" href="a00244.html#a61a7a80a68eaccbaaa28269e678c81a9">os_index</a>;</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  }</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  </div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  *maxnode = outmaxnode+1;</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> }</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  </div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="keyword">static</span> __hwloc_inline <span class="keywordtype">int</span></div>
<div class="line"><a name="l00089"></a><span class="lineno"><a class="line" href="a00221.html#ga585ccf818d2f217f4e53f9c6506c3128"> 89</a></span> <a class="code" href="a00221.html#ga585ccf818d2f217f4e53f9c6506c3128">hwloc_nodeset_to_linux_libnuma_ulongs</a>(<a class="code" href="a00192.html#ga9d1e76ee15a7dee158b786c30b6a6e38">hwloc_topology_t</a> topology, <a class="code" href="a00189.html#ga2f5276235841ad66a79bedad16a5a10c">hwloc_const_nodeset_t</a> nodeset,</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> *mask, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> *maxnode)</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> {</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordtype">int</span> depth = <a class="code" href="a00193.html#ga8bec782e21be313750da70cf7428b374">hwloc_get_type_depth</a>(topology, <a class="code" href="a00190.html#ggacd37bb612667dc437d66bfb175a8dc55a9d917a3e5497950c6d8948b8e183db5a">HWLOC_OBJ_NUMANODE</a>);</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> outmaxnode = -1;</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <a class="code" href="a00244.html">hwloc_obj_t</a> node = NULL;</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  </div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="comment">/* round-up to the next ulong and clear all bytes */</span></div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  *maxnode = (*maxnode + 8*<span class="keyword">sizeof</span>(*mask) - 1) & ~(8*<span class="keyword">sizeof</span>(*mask) - 1);</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  memset(mask, 0, *maxnode/8);</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  </div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">while</span> ((node = <a class="code" href="a00193.html#gac140a9b939d9fa0b30c4a910efcb0656">hwloc_get_next_obj_by_depth</a>(topology, depth, node)) != NULL) {</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">if</span> (node-><a class="code" href="a00244.html#a61a7a80a68eaccbaaa28269e678c81a9">os_index</a> >= *maxnode)</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">if</span> (!<a class="code" href="a00211.html#ga11340dd487f110bb84f0a6e4ae90bd06">hwloc_bitmap_isset</a>(nodeset, node-><a class="code" href="a00244.html#a61a7a80a68eaccbaaa28269e678c81a9">os_index</a>))</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  mask[node-><a class="code" href="a00244.html#a61a7a80a68eaccbaaa28269e678c81a9">os_index</a>/<span class="keyword">sizeof</span>(*mask)/8] |= 1UL << (node-><a class="code" href="a00244.html#a61a7a80a68eaccbaaa28269e678c81a9">os_index</a> % (<span class="keyword">sizeof</span>(*mask)*8));</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">if</span> (outmaxnode == (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>) -1 || outmaxnode < node-><a class="code" href="a00244.html#a61a7a80a68eaccbaaa28269e678c81a9">os_index</a>)</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  outmaxnode = node-><a class="code" href="a00244.html#a61a7a80a68eaccbaaa28269e678c81a9">os_index</a>;</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  }</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  </div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  *maxnode = outmaxnode+1;</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> }</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  </div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="keyword">static</span> __hwloc_inline <span class="keywordtype">int</span></div>
<div class="line"><a name="l00124"></a><span class="lineno"><a class="line" href="a00221.html#ga0e9d051e068940f722f6fdc61814149d"> 124</a></span> <a class="code" href="a00221.html#ga0e9d051e068940f722f6fdc61814149d">hwloc_cpuset_from_linux_libnuma_ulongs</a>(<a class="code" href="a00192.html#ga9d1e76ee15a7dee158b786c30b6a6e38">hwloc_topology_t</a> topology, <a class="code" href="a00189.html#ga4bbf39b68b6f568fb92739e7c0ea7801">hwloc_cpuset_t</a> cpuset,</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> *mask, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> maxnode)</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> {</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordtype">int</span> depth = <a class="code" href="a00193.html#ga8bec782e21be313750da70cf7428b374">hwloc_get_type_depth</a>(topology, <a class="code" href="a00190.html#ggacd37bb612667dc437d66bfb175a8dc55a9d917a3e5497950c6d8948b8e183db5a">HWLOC_OBJ_NUMANODE</a>);</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <a class="code" href="a00244.html">hwloc_obj_t</a> node = NULL;</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <a class="code" href="a00211.html#gaa97c5217613c8cae9862287170ea2132">hwloc_bitmap_zero</a>(cpuset);</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">while</span> ((node = <a class="code" href="a00193.html#gac140a9b939d9fa0b30c4a910efcb0656">hwloc_get_next_obj_by_depth</a>(topology, depth, node)) != NULL)</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">if</span> (node-><a class="code" href="a00244.html#a61a7a80a68eaccbaaa28269e678c81a9">os_index</a> < maxnode</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  && (mask[node-><a class="code" href="a00244.html#a61a7a80a68eaccbaaa28269e678c81a9">os_index</a>/<span class="keyword">sizeof</span>(*mask)/8] & (1UL << (node-><a class="code" href="a00244.html#a61a7a80a68eaccbaaa28269e678c81a9">os_index</a> % (<span class="keyword">sizeof</span>(*mask)*8)))))</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <a class="code" href="a00211.html#ga120b8aefb9ce7ef349929656359b1859">hwloc_bitmap_or</a>(cpuset, cpuset, node-><a class="code" href="a00244.html#a67925e0f2c47f50408fbdb9bddd0790f">cpuset</a>);</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> }</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  </div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="keyword">static</span> __hwloc_inline <span class="keywordtype">int</span></div>
<div class="line"><a name="l00147"></a><span class="lineno"><a class="line" href="a00221.html#gad8491c672eb2594cc5e7b0a026867192"> 147</a></span> <a class="code" href="a00221.html#gad8491c672eb2594cc5e7b0a026867192">hwloc_nodeset_from_linux_libnuma_ulongs</a>(<a class="code" href="a00192.html#ga9d1e76ee15a7dee158b786c30b6a6e38">hwloc_topology_t</a> topology, <a class="code" href="a00189.html#ga37e35730fa7e775b5bb0afe893d6d508">hwloc_nodeset_t</a> nodeset,</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> *mask, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> maxnode)</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> {</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordtype">int</span> depth = <a class="code" href="a00193.html#ga8bec782e21be313750da70cf7428b374">hwloc_get_type_depth</a>(topology, <a class="code" href="a00190.html#ggacd37bb612667dc437d66bfb175a8dc55a9d917a3e5497950c6d8948b8e183db5a">HWLOC_OBJ_NUMANODE</a>);</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <a class="code" href="a00244.html">hwloc_obj_t</a> node = NULL;</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <a class="code" href="a00211.html#gaa97c5217613c8cae9862287170ea2132">hwloc_bitmap_zero</a>(nodeset);</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">while</span> ((node = <a class="code" href="a00193.html#gac140a9b939d9fa0b30c4a910efcb0656">hwloc_get_next_obj_by_depth</a>(topology, depth, node)) != NULL)</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">if</span> (node-><a class="code" href="a00244.html#a61a7a80a68eaccbaaa28269e678c81a9">os_index</a> < maxnode</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  && (mask[node-><a class="code" href="a00244.html#a61a7a80a68eaccbaaa28269e678c81a9">os_index</a>/<span class="keyword">sizeof</span>(*mask)/8] & (1UL << (node-><a class="code" href="a00244.html#a61a7a80a68eaccbaaa28269e678c81a9">os_index</a> % (<span class="keyword">sizeof</span>(*mask)*8)))))</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <a class="code" href="a00211.html#ga062dbff93baeff3b425a7260c5463646">hwloc_bitmap_set</a>(nodeset, node-><a class="code" href="a00244.html#a61a7a80a68eaccbaaa28269e678c81a9">os_index</a>);</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> }</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  </div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="keyword">static</span> __hwloc_inline <span class="keyword">struct </span>bitmask *</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <a class="code" href="a00222.html#gad8769b4544c0aeef154fc8223144e343">hwloc_cpuset_to_linux_libnuma_bitmask</a>(<a class="code" href="a00192.html#ga9d1e76ee15a7dee158b786c30b6a6e38">hwloc_topology_t</a> topology, <a class="code" href="a00189.html#ga1f784433e9b606261f62d1134f6a3b25">hwloc_const_cpuset_t</a> cpuset) __hwloc_attribute_malloc;</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="keyword">static</span> __hwloc_inline <span class="keyword">struct </span>bitmask *</div>
<div class="line"><a name="l00192"></a><span class="lineno"><a class="line" href="a00222.html#gad8769b4544c0aeef154fc8223144e343"> 192</a></span> <a class="code" href="a00222.html#gad8769b4544c0aeef154fc8223144e343">hwloc_cpuset_to_linux_libnuma_bitmask</a>(<a class="code" href="a00192.html#ga9d1e76ee15a7dee158b786c30b6a6e38">hwloc_topology_t</a> topology, <a class="code" href="a00189.html#ga1f784433e9b606261f62d1134f6a3b25">hwloc_const_cpuset_t</a> cpuset)</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> {</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordtype">int</span> depth = <a class="code" href="a00193.html#ga8bec782e21be313750da70cf7428b374">hwloc_get_type_depth</a>(topology, <a class="code" href="a00190.html#ggacd37bb612667dc437d66bfb175a8dc55a9d917a3e5497950c6d8948b8e183db5a">HWLOC_OBJ_NUMANODE</a>);</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <a class="code" href="a00244.html">hwloc_obj_t</a> node = NULL;</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keyword">struct </span>bitmask *bitmask = numa_allocate_cpumask();</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordflow">if</span> (!bitmask)</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordflow">while</span> ((node = <a class="code" href="a00202.html#gaba4b6d86eba1169ced4b0e941d2bb5f0">hwloc_get_next_obj_covering_cpuset_by_depth</a>(topology, cpuset, depth, node)) != NULL)</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordflow">if</span> (node-><a class="code" href="a00244.html#accd40e29f71f19e88db62ea3df02adc8">attr</a>-><a class="code" href="a00248.html#ad066b9612802ffa01e132dc3a8e6cc86">numanode</a>.<a class="code" href="a00252.html#a6703cbf2afbf63c9d60c5ff4dc0c73aa">local_memory</a>)</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  numa_bitmask_setbit(bitmask, node-><a class="code" href="a00244.html#a61a7a80a68eaccbaaa28269e678c81a9">os_index</a>);</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordflow">return</span> bitmask;</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span> }</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  </div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <span class="keyword">static</span> __hwloc_inline <span class="keyword">struct </span>bitmask *</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span> <a class="code" href="a00222.html#gadfaa14c1bec76965ac2e05f0c3f3473b">hwloc_nodeset_to_linux_libnuma_bitmask</a>(<a class="code" href="a00192.html#ga9d1e76ee15a7dee158b786c30b6a6e38">hwloc_topology_t</a> topology, <a class="code" href="a00189.html#ga2f5276235841ad66a79bedad16a5a10c">hwloc_const_nodeset_t</a> nodeset) __hwloc_attribute_malloc;</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> <span class="keyword">static</span> __hwloc_inline <span class="keyword">struct </span>bitmask *</div>
<div class="line"><a name="l00217"></a><span class="lineno"><a class="line" href="a00222.html#gadfaa14c1bec76965ac2e05f0c3f3473b"> 217</a></span> <a class="code" href="a00222.html#gadfaa14c1bec76965ac2e05f0c3f3473b">hwloc_nodeset_to_linux_libnuma_bitmask</a>(<a class="code" href="a00192.html#ga9d1e76ee15a7dee158b786c30b6a6e38">hwloc_topology_t</a> topology, <a class="code" href="a00189.html#ga2f5276235841ad66a79bedad16a5a10c">hwloc_const_nodeset_t</a> nodeset)</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span> {</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keywordtype">int</span> depth = <a class="code" href="a00193.html#ga8bec782e21be313750da70cf7428b374">hwloc_get_type_depth</a>(topology, <a class="code" href="a00190.html#ggacd37bb612667dc437d66bfb175a8dc55a9d917a3e5497950c6d8948b8e183db5a">HWLOC_OBJ_NUMANODE</a>);</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <a class="code" href="a00244.html">hwloc_obj_t</a> node = NULL;</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keyword">struct </span>bitmask *bitmask = numa_allocate_cpumask();</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordflow">if</span> (!bitmask)</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordflow">while</span> ((node = <a class="code" href="a00193.html#gac140a9b939d9fa0b30c4a910efcb0656">hwloc_get_next_obj_by_depth</a>(topology, depth, node)) != NULL)</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keywordflow">if</span> (<a class="code" href="a00211.html#ga11340dd487f110bb84f0a6e4ae90bd06">hwloc_bitmap_isset</a>(nodeset, node-><a class="code" href="a00244.html#a61a7a80a68eaccbaaa28269e678c81a9">os_index</a>) && node-><a class="code" href="a00244.html#accd40e29f71f19e88db62ea3df02adc8">attr</a>-><a class="code" href="a00248.html#ad066b9612802ffa01e132dc3a8e6cc86">numanode</a>.<a class="code" href="a00252.html#a6703cbf2afbf63c9d60c5ff4dc0c73aa">local_memory</a>)</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  numa_bitmask_setbit(bitmask, node-><a class="code" href="a00244.html#a61a7a80a68eaccbaaa28269e678c81a9">os_index</a>);</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keywordflow">return</span> bitmask;</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> }</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  </div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span> <span class="keyword">static</span> __hwloc_inline <span class="keywordtype">int</span></div>
<div class="line"><a name="l00236"></a><span class="lineno"><a class="line" href="a00222.html#ga37c8421110b1842414809019098794ef"> 236</a></span> <a class="code" href="a00222.html#ga37c8421110b1842414809019098794ef">hwloc_cpuset_from_linux_libnuma_bitmask</a>(<a class="code" href="a00192.html#ga9d1e76ee15a7dee158b786c30b6a6e38">hwloc_topology_t</a> topology, <a class="code" href="a00189.html#ga4bbf39b68b6f568fb92739e7c0ea7801">hwloc_cpuset_t</a> cpuset,</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keyword">const</span> <span class="keyword">struct</span> bitmask *bitmask)</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span> {</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keywordtype">int</span> depth = <a class="code" href="a00193.html#ga8bec782e21be313750da70cf7428b374">hwloc_get_type_depth</a>(topology, <a class="code" href="a00190.html#ggacd37bb612667dc437d66bfb175a8dc55a9d917a3e5497950c6d8948b8e183db5a">HWLOC_OBJ_NUMANODE</a>);</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <a class="code" href="a00244.html">hwloc_obj_t</a> node = NULL;</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <a class="code" href="a00211.html#gaa97c5217613c8cae9862287170ea2132">hwloc_bitmap_zero</a>(cpuset);</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordflow">while</span> ((node = <a class="code" href="a00193.html#gac140a9b939d9fa0b30c4a910efcb0656">hwloc_get_next_obj_by_depth</a>(topology, depth, node)) != NULL)</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordflow">if</span> (numa_bitmask_isbitset(bitmask, node-><a class="code" href="a00244.html#a61a7a80a68eaccbaaa28269e678c81a9">os_index</a>))</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <a class="code" href="a00211.html#ga120b8aefb9ce7ef349929656359b1859">hwloc_bitmap_or</a>(cpuset, cpuset, node-><a class="code" href="a00244.html#a67925e0f2c47f50408fbdb9bddd0790f">cpuset</a>);</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span> }</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  </div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <span class="keyword">static</span> __hwloc_inline <span class="keywordtype">int</span></div>
<div class="line"><a name="l00254"></a><span class="lineno"><a class="line" href="a00222.html#gaaca6bff3086aad5bdbd2f4c5f0ad14cc"> 254</a></span> <a class="code" href="a00222.html#gaaca6bff3086aad5bdbd2f4c5f0ad14cc">hwloc_nodeset_from_linux_libnuma_bitmask</a>(<a class="code" href="a00192.html#ga9d1e76ee15a7dee158b786c30b6a6e38">hwloc_topology_t</a> topology, <a class="code" href="a00189.html#ga37e35730fa7e775b5bb0afe893d6d508">hwloc_nodeset_t</a> nodeset,</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="keyword">const</span> <span class="keyword">struct</span> bitmask *bitmask)</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span> {</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keywordtype">int</span> depth = <a class="code" href="a00193.html#ga8bec782e21be313750da70cf7428b374">hwloc_get_type_depth</a>(topology, <a class="code" href="a00190.html#ggacd37bb612667dc437d66bfb175a8dc55a9d917a3e5497950c6d8948b8e183db5a">HWLOC_OBJ_NUMANODE</a>);</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <a class="code" href="a00244.html">hwloc_obj_t</a> node = NULL;</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <a class="code" href="a00211.html#gaa97c5217613c8cae9862287170ea2132">hwloc_bitmap_zero</a>(nodeset);</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="keywordflow">while</span> ((node = <a class="code" href="a00193.html#gac140a9b939d9fa0b30c4a910efcb0656">hwloc_get_next_obj_by_depth</a>(topology, depth, node)) != NULL)</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keywordflow">if</span> (numa_bitmask_isbitset(bitmask, node-><a class="code" href="a00244.html#a61a7a80a68eaccbaaa28269e678c81a9">os_index</a>))</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <a class="code" href="a00211.html#ga062dbff93baeff3b425a7260c5463646">hwloc_bitmap_set</a>(nodeset, node-><a class="code" href="a00244.html#a61a7a80a68eaccbaaa28269e678c81a9">os_index</a>);</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> }</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  </div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span> <span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span> } <span class="comment">/* extern "C" */</span></div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  </div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  </div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span> <span class="preprocessor">#endif </span><span class="comment">/* HWLOC_LINUX_NUMA_H */</span><span class="preprocessor"></span></div>
<div class="ttc" id="aa00189_html_ga1f784433e9b606261f62d1134f6a3b25"><div class="ttname"><a href="a00189.html#ga1f784433e9b606261f62d1134f6a3b25">hwloc_const_cpuset_t</a></div><div class="ttdeci">hwloc_const_bitmap_t hwloc_const_cpuset_t</div><div class="ttdoc">A non-modifiable hwloc_cpuset_t.</div><div class="ttdef"><b>Definition:</b> hwloc.h:142</div></div>
<div class="ttc" id="aa00189_html_ga2f5276235841ad66a79bedad16a5a10c"><div class="ttname"><a href="a00189.html#ga2f5276235841ad66a79bedad16a5a10c">hwloc_const_nodeset_t</a></div><div class="ttdeci">hwloc_const_bitmap_t hwloc_const_nodeset_t</div><div class="ttdoc">A non-modifiable hwloc_nodeset_t.</div><div class="ttdef"><b>Definition:</b> hwloc.h:160</div></div>
<div class="ttc" id="aa00189_html_ga37e35730fa7e775b5bb0afe893d6d508"><div class="ttname"><a href="a00189.html#ga37e35730fa7e775b5bb0afe893d6d508">hwloc_nodeset_t</a></div><div class="ttdeci">hwloc_bitmap_t hwloc_nodeset_t</div><div class="ttdoc">A node set is a bitmap whose bits are set according to NUMA memory node physical OS indexes.</div><div class="ttdef"><b>Definition:</b> hwloc.h:157</div></div>
<div class="ttc" id="aa00189_html_ga4bbf39b68b6f568fb92739e7c0ea7801"><div class="ttname"><a href="a00189.html#ga4bbf39b68b6f568fb92739e7c0ea7801">hwloc_cpuset_t</a></div><div class="ttdeci">hwloc_bitmap_t hwloc_cpuset_t</div><div class="ttdoc">A CPU set is a bitmap whose bits are set according to CPU physical OS indexes.</div><div class="ttdef"><b>Definition:</b> hwloc.h:140</div></div>
<div class="ttc" id="aa00190_html_ggacd37bb612667dc437d66bfb175a8dc55a9d917a3e5497950c6d8948b8e183db5a"><div class="ttname"><a href="a00190.html#ggacd37bb612667dc437d66bfb175a8dc55a9d917a3e5497950c6d8948b8e183db5a">HWLOC_OBJ_NUMANODE</a></div><div class="ttdeci">@ HWLOC_OBJ_NUMANODE</div><div class="ttdoc">NUMA node. An object that contains memory that is directly and byte-accessible to the host processors...</div><div class="ttdef"><b>Definition:</b> hwloc.h:236</div></div>
<div class="ttc" id="aa00192_html_ga9d1e76ee15a7dee158b786c30b6a6e38"><div class="ttname"><a href="a00192.html#ga9d1e76ee15a7dee158b786c30b6a6e38">hwloc_topology_t</a></div><div class="ttdeci">struct hwloc_topology * hwloc_topology_t</div><div class="ttdoc">Topology context.</div><div class="ttdef"><b>Definition:</b> hwloc.h:691</div></div>
<div class="ttc" id="aa00193_html_ga8bec782e21be313750da70cf7428b374"><div class="ttname"><a href="a00193.html#ga8bec782e21be313750da70cf7428b374">hwloc_get_type_depth</a></div><div class="ttdeci">int hwloc_get_type_depth(hwloc_topology_t topology, hwloc_obj_type_t type)</div><div class="ttdoc">Returns the depth of objects of type type.</div></div>
<div class="ttc" id="aa00193_html_gac140a9b939d9fa0b30c4a910efcb0656"><div class="ttname"><a href="a00193.html#gac140a9b939d9fa0b30c4a910efcb0656">hwloc_get_next_obj_by_depth</a></div><div class="ttdeci">static hwloc_obj_t hwloc_get_next_obj_by_depth(hwloc_topology_t topology, int depth, hwloc_obj_t prev)</div><div class="ttdoc">Returns the next object at depth depth.</div></div>
<div class="ttc" id="aa00202_html_gaba4b6d86eba1169ced4b0e941d2bb5f0"><div class="ttname"><a href="a00202.html#gaba4b6d86eba1169ced4b0e941d2bb5f0">hwloc_get_next_obj_covering_cpuset_by_depth</a></div><div class="ttdeci">static hwloc_obj_t hwloc_get_next_obj_covering_cpuset_by_depth(hwloc_topology_t topology, hwloc_const_cpuset_t set, int depth, hwloc_obj_t prev)</div><div class="ttdoc">Iterate through same-depth objects covering at least CPU set set.</div><div class="ttdef"><b>Definition:</b> helper.h:321</div></div>
<div class="ttc" id="aa00211_html_ga062dbff93baeff3b425a7260c5463646"><div class="ttname"><a href="a00211.html#ga062dbff93baeff3b425a7260c5463646">hwloc_bitmap_set</a></div><div class="ttdeci">int hwloc_bitmap_set(hwloc_bitmap_t bitmap, unsigned id)</div><div class="ttdoc">Add index id in bitmap bitmap.</div></div>
<div class="ttc" id="aa00211_html_ga11340dd487f110bb84f0a6e4ae90bd06"><div class="ttname"><a href="a00211.html#ga11340dd487f110bb84f0a6e4ae90bd06">hwloc_bitmap_isset</a></div><div class="ttdeci">int hwloc_bitmap_isset(hwloc_const_bitmap_t bitmap, unsigned id)</div><div class="ttdoc">Test whether index id is part of bitmap bitmap.</div></div>
<div class="ttc" id="aa00211_html_ga120b8aefb9ce7ef349929656359b1859"><div class="ttname"><a href="a00211.html#ga120b8aefb9ce7ef349929656359b1859">hwloc_bitmap_or</a></div><div class="ttdeci">int hwloc_bitmap_or(hwloc_bitmap_t res, hwloc_const_bitmap_t bitmap1, hwloc_const_bitmap_t bitmap2)</div><div class="ttdoc">Or bitmaps bitmap1 and bitmap2 and store the result in bitmap res.</div></div>
<div class="ttc" id="aa00211_html_gaa97c5217613c8cae9862287170ea2132"><div class="ttname"><a href="a00211.html#gaa97c5217613c8cae9862287170ea2132">hwloc_bitmap_zero</a></div><div class="ttdeci">void hwloc_bitmap_zero(hwloc_bitmap_t bitmap)</div><div class="ttdoc">Empty the bitmap bitmap.</div></div>
<div class="ttc" id="aa00221_html_ga0e9d051e068940f722f6fdc61814149d"><div class="ttname"><a href="a00221.html#ga0e9d051e068940f722f6fdc61814149d">hwloc_cpuset_from_linux_libnuma_ulongs</a></div><div class="ttdeci">static int hwloc_cpuset_from_linux_libnuma_ulongs(hwloc_topology_t topology, hwloc_cpuset_t cpuset, const unsigned long *mask, unsigned long maxnode)</div><div class="ttdoc">Convert the array of unsigned long mask into hwloc CPU set.</div><div class="ttdef"><b>Definition:</b> linux-libnuma.h:124</div></div>
<div class="ttc" id="aa00221_html_ga585ccf818d2f217f4e53f9c6506c3128"><div class="ttname"><a href="a00221.html#ga585ccf818d2f217f4e53f9c6506c3128">hwloc_nodeset_to_linux_libnuma_ulongs</a></div><div class="ttdeci">static int hwloc_nodeset_to_linux_libnuma_ulongs(hwloc_topology_t topology, hwloc_const_nodeset_t nodeset, unsigned long *mask, unsigned long *maxnode)</div><div class="ttdoc">Convert hwloc NUMA node set nodeset into the array of unsigned long mask.</div><div class="ttdef"><b>Definition:</b> linux-libnuma.h:89</div></div>
<div class="ttc" id="aa00221_html_gad8491c672eb2594cc5e7b0a026867192"><div class="ttname"><a href="a00221.html#gad8491c672eb2594cc5e7b0a026867192">hwloc_nodeset_from_linux_libnuma_ulongs</a></div><div class="ttdeci">static int hwloc_nodeset_from_linux_libnuma_ulongs(hwloc_topology_t topology, hwloc_nodeset_t nodeset, const unsigned long *mask, unsigned long maxnode)</div><div class="ttdoc">Convert the array of unsigned long mask into hwloc NUMA node set.</div><div class="ttdef"><b>Definition:</b> linux-libnuma.h:147</div></div>
<div class="ttc" id="aa00221_html_gae577962390f84b0b12f503314ab0f972"><div class="ttname"><a href="a00221.html#gae577962390f84b0b12f503314ab0f972">hwloc_cpuset_to_linux_libnuma_ulongs</a></div><div class="ttdeci">static int hwloc_cpuset_to_linux_libnuma_ulongs(hwloc_topology_t topology, hwloc_const_cpuset_t cpuset, unsigned long *mask, unsigned long *maxnode)</div><div class="ttdoc">Convert hwloc CPU set cpuset into the array of unsigned long mask.</div><div class="ttdef"><b>Definition:</b> linux-libnuma.h:55</div></div>
<div class="ttc" id="aa00222_html_ga37c8421110b1842414809019098794ef"><div class="ttname"><a href="a00222.html#ga37c8421110b1842414809019098794ef">hwloc_cpuset_from_linux_libnuma_bitmask</a></div><div class="ttdeci">static int hwloc_cpuset_from_linux_libnuma_bitmask(hwloc_topology_t topology, hwloc_cpuset_t cpuset, const struct bitmask *bitmask)</div><div class="ttdoc">Convert libnuma bitmask bitmask into hwloc CPU set cpuset.</div><div class="ttdef"><b>Definition:</b> linux-libnuma.h:236</div></div>
<div class="ttc" id="aa00222_html_gaaca6bff3086aad5bdbd2f4c5f0ad14cc"><div class="ttname"><a href="a00222.html#gaaca6bff3086aad5bdbd2f4c5f0ad14cc">hwloc_nodeset_from_linux_libnuma_bitmask</a></div><div class="ttdeci">static int hwloc_nodeset_from_linux_libnuma_bitmask(hwloc_topology_t topology, hwloc_nodeset_t nodeset, const struct bitmask *bitmask)</div><div class="ttdoc">Convert libnuma bitmask bitmask into hwloc NUMA node set nodeset.</div><div class="ttdef"><b>Definition:</b> linux-libnuma.h:254</div></div>
<div class="ttc" id="aa00222_html_gad8769b4544c0aeef154fc8223144e343"><div class="ttname"><a href="a00222.html#gad8769b4544c0aeef154fc8223144e343">hwloc_cpuset_to_linux_libnuma_bitmask</a></div><div class="ttdeci">static struct bitmask * hwloc_cpuset_to_linux_libnuma_bitmask(hwloc_topology_t topology, hwloc_const_cpuset_t cpuset)</div><div class="ttdoc">Convert hwloc CPU set cpuset into the returned libnuma bitmask.</div><div class="ttdef"><b>Definition:</b> linux-libnuma.h:192</div></div>
<div class="ttc" id="aa00222_html_gadfaa14c1bec76965ac2e05f0c3f3473b"><div class="ttname"><a href="a00222.html#gadfaa14c1bec76965ac2e05f0c3f3473b">hwloc_nodeset_to_linux_libnuma_bitmask</a></div><div class="ttdeci">static struct bitmask * hwloc_nodeset_to_linux_libnuma_bitmask(hwloc_topology_t topology, hwloc_const_nodeset_t nodeset)</div><div class="ttdoc">Convert hwloc NUMA node set nodeset into the returned libnuma bitmask.</div><div class="ttdef"><b>Definition:</b> linux-libnuma.h:217</div></div>
<div class="ttc" id="aa00244_html"><div class="ttname"><a href="a00244.html">hwloc_obj</a></div><div class="ttdoc">Structure of a topology object.</div><div class="ttdef"><b>Definition:</b> hwloc.h:395</div></div>
<div class="ttc" id="aa00244_html_a61a7a80a68eaccbaaa28269e678c81a9"><div class="ttname"><a href="a00244.html#a61a7a80a68eaccbaaa28269e678c81a9">hwloc_obj::os_index</a></div><div class="ttdeci">unsigned os_index</div><div class="ttdoc">OS-provided physical index number. It is not guaranteed unique across the entire machine,...</div><div class="ttdef"><b>Definition:</b> hwloc.h:400</div></div>
<div class="ttc" id="aa00244_html_a67925e0f2c47f50408fbdb9bddd0790f"><div class="ttname"><a href="a00244.html#a67925e0f2c47f50408fbdb9bddd0790f">hwloc_obj::cpuset</a></div><div class="ttdeci">hwloc_cpuset_t cpuset</div><div class="ttdoc">CPUs covered by this object.</div><div class="ttdef"><b>Definition:</b> hwloc.h:511</div></div>
<div class="ttc" id="aa00244_html_accd40e29f71f19e88db62ea3df02adc8"><div class="ttname"><a href="a00244.html#accd40e29f71f19e88db62ea3df02adc8">hwloc_obj::attr</a></div><div class="ttdeci">union hwloc_obj_attr_u * attr</div><div class="ttdoc">Object type-specific Attributes, may be NULL if no attribute value was found.</div><div class="ttdef"><b>Definition:</b> hwloc.h:414</div></div>
<div class="ttc" id="aa00248_html_ad066b9612802ffa01e132dc3a8e6cc86"><div class="ttname"><a href="a00248.html#ad066b9612802ffa01e132dc3a8e6cc86">hwloc_obj_attr_u::numanode</a></div><div class="ttdeci">struct hwloc_obj_attr_u::hwloc_numanode_attr_s numanode</div></div>
<div class="ttc" id="aa00252_html_a6703cbf2afbf63c9d60c5ff4dc0c73aa"><div class="ttname"><a href="a00252.html#a6703cbf2afbf63c9d60c5ff4dc0c73aa">hwloc_obj_attr_u::hwloc_numanode_attr_s::local_memory</a></div><div class="ttdeci">hwloc_uint64_t local_memory</div><div class="ttdoc">Local memory (in bytes)</div><div class="ttdef"><b>Definition:</b> hwloc.h:601</div></div>
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