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<div id="projectname">Hardware Locality (hwloc)
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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="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 © 2012 Blue Brain Project, EPFL. All rights reserved.</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * Copyright © 2012-2013 Inria. All rights reserved.</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * See COPYING in top-level directory.</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> */</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> </div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#ifndef HWLOC_GL_H</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#define HWLOC_GL_H</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <hwloc.h></span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <stdio.h></span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <string.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="l00053"></a><span class="lineno"> 53</span> <span class="keyword">static</span> __hwloc_inline <a class="code" href="a00216.html">hwloc_obj_t</a></div><div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="a00195.html#ga4d66a77e4fe4051d6e5b772c1b8fcec5"> 54</a></span> <a class="code" href="a00195.html#ga4d66a77e4fe4051d6e5b772c1b8fcec5">hwloc_gl_get_display_osdev_by_port_device</a>(<a class="code" href="a00165.html#ga9d1e76ee15a7dee158b786c30b6a6e38">hwloc_topology_t</a> topology,</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordtype">unsigned</span> port, <span class="keywordtype">unsigned</span> device)</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> {</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordtype">unsigned</span> x = (unsigned) -1, y = (<span class="keywordtype">unsigned</span>) -1;</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <a class="code" href="a00216.html">hwloc_obj_t</a> osdev = NULL;</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordflow">while</span> ((osdev = <a class="code" href="a00185.html#ga8b4584c8949e2c5f1c97ba7fe92b8145">hwloc_get_next_osdev</a>(topology, osdev)) != NULL) {</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordflow">if</span> (<a class="code" href="a00163.html#gga64f5d539df299c97ae80ce53fc4b56c0aa3a09798ef2836abb236dc3a645ffc90">HWLOC_OBJ_OSDEV_GPU</a> == osdev-><a class="code" href="a00216.html#accd40e29f71f19e88db62ea3df02adc8">attr</a>-><a class="code" href="a00220.html#a22904c25fe44b323bab5c9bc52660fca">osdev</a>.<a class="code" href="a00252.html#a31e019e27e54ac6138d04be639bb96f9">type</a></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  && osdev-><a class="code" href="a00216.html#abb709ec38f2970677e4e57d1d30be96d">name</a></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  && sscanf(osdev-><a class="code" href="a00216.html#abb709ec38f2970677e4e57d1d30be96d">name</a>, <span class="stringliteral">":%u.%u"</span>, &x, &y) == 2</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  && port == x && device == y)</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">return</span> osdev;</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>  errno = EINVAL;</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">return</span> NULL;</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> }</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="keyword">static</span> __hwloc_inline <a class="code" href="a00216.html">hwloc_obj_t</a></div><div class="line"><a name="l00085"></a><span class="lineno"><a class="line" href="a00195.html#ga2d36ef441d1dfddf49cfb5c01bd58d8e"> 85</a></span> <a class="code" href="a00195.html#ga2d36ef441d1dfddf49cfb5c01bd58d8e">hwloc_gl_get_display_osdev_by_name</a>(<a class="code" href="a00165.html#ga9d1e76ee15a7dee158b786c30b6a6e38">hwloc_topology_t</a> topology,</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *name)</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> {</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <a class="code" href="a00216.html">hwloc_obj_t</a> osdev = NULL;</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">while</span> ((osdev = <a class="code" href="a00185.html#ga8b4584c8949e2c5f1c97ba7fe92b8145">hwloc_get_next_osdev</a>(topology, osdev)) != NULL) {</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">if</span> (<a class="code" href="a00163.html#gga64f5d539df299c97ae80ce53fc4b56c0aa3a09798ef2836abb236dc3a645ffc90">HWLOC_OBJ_OSDEV_GPU</a> == osdev-><a class="code" href="a00216.html#accd40e29f71f19e88db62ea3df02adc8">attr</a>-><a class="code" href="a00220.html#a22904c25fe44b323bab5c9bc52660fca">osdev</a>.<a class="code" href="a00252.html#a31e019e27e54ac6138d04be639bb96f9">type</a></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  && osdev-><a class="code" href="a00216.html#abb709ec38f2970677e4e57d1d30be96d">name</a></div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  && !strcmp(name, osdev-><a class="code" href="a00216.html#abb709ec38f2970677e4e57d1d30be96d">name</a>))</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordflow">return</span> osdev;</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  }</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  errno = EINVAL;</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">return</span> NULL;</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> }</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="keyword">static</span> __hwloc_inline <span class="keywordtype">int</span></div><div class="line"><a name="l00111"></a><span class="lineno"><a class="line" href="a00195.html#ga936665ab5f0d29a081c4b78d11f4ad07"> 111</a></span> <a class="code" href="a00195.html#ga936665ab5f0d29a081c4b78d11f4ad07">hwloc_gl_get_display_by_osdev</a>(<a class="code" href="a00165.html#ga9d1e76ee15a7dee158b786c30b6a6e38">hwloc_topology_t</a> topology __hwloc_attribute_unused,</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <a class="code" href="a00216.html">hwloc_obj_t</a> osdev,</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordtype">unsigned</span> *port, <span class="keywordtype">unsigned</span> *device)</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> {</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordtype">unsigned</span> x = -1, y = -1;</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">if</span> (<a class="code" href="a00163.html#gga64f5d539df299c97ae80ce53fc4b56c0aa3a09798ef2836abb236dc3a645ffc90">HWLOC_OBJ_OSDEV_GPU</a> == osdev-><a class="code" href="a00216.html#accd40e29f71f19e88db62ea3df02adc8">attr</a>-><a class="code" href="a00220.html#a22904c25fe44b323bab5c9bc52660fca">osdev</a>.<a class="code" href="a00252.html#a31e019e27e54ac6138d04be639bb96f9">type</a></div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  && sscanf(osdev-><a class="code" href="a00216.html#abb709ec38f2970677e4e57d1d30be96d">name</a>, <span class="stringliteral">":%u.%u"</span>, &x, &y) == 2) {</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  *port = x;</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  *device = y;</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  }</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  errno = EINVAL;</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> }</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> } <span class="comment">/* extern "C" */</span></div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="preprocessor">#endif </span><span class="comment">/* HWLOC_GL_H */</span><span class="preprocessor"></span></div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span> </div><div class="ttc" id="a00185_html_ga8b4584c8949e2c5f1c97ba7fe92b8145"><div class="ttname"><a href="a00185.html#ga8b4584c8949e2c5f1c97ba7fe92b8145">hwloc_get_next_osdev</a></div><div class="ttdeci">static hwloc_obj_t hwloc_get_next_osdev(hwloc_topology_t topology, hwloc_obj_t prev)</div><div class="ttdoc">Get the next OS device in the system. </div><div class="ttdef"><b>Definition:</b> helper.h:1252</div></div>
<div class="ttc" id="a00216_html_abb709ec38f2970677e4e57d1d30be96d"><div class="ttname"><a href="a00216.html#abb709ec38f2970677e4e57d1d30be96d">hwloc_obj::name</a></div><div class="ttdeci">char * name</div><div class="ttdoc">Object-specific name if any. Mostly used for identifying OS devices and Misc objects where a name str...</div><div class="ttdef"><b>Definition:</b> hwloc.h:353</div></div>
<div class="ttc" id="a00216_html_accd40e29f71f19e88db62ea3df02adc8"><div class="ttname"><a href="a00216.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:360</div></div>
<div class="ttc" id="a00195_html_ga4d66a77e4fe4051d6e5b772c1b8fcec5"><div class="ttname"><a href="a00195.html#ga4d66a77e4fe4051d6e5b772c1b8fcec5">hwloc_gl_get_display_osdev_by_port_device</a></div><div class="ttdeci">static hwloc_obj_t hwloc_gl_get_display_osdev_by_port_device(hwloc_topology_t topology, unsigned port, unsigned device)</div><div class="ttdoc">Get the hwloc OS device object corresponding to the OpenGL display given by port and device index...</div><div class="ttdef"><b>Definition:</b> gl.h:54</div></div>
<div class="ttc" id="a00252_html_a31e019e27e54ac6138d04be639bb96f9"><div class="ttname"><a href="a00252.html#a31e019e27e54ac6138d04be639bb96f9">hwloc_obj_attr_u::hwloc_osdev_attr_s::type</a></div><div class="ttdeci">hwloc_obj_osdev_type_t type</div><div class="ttdef"><b>Definition:</b> hwloc.h:543</div></div>
<div class="ttc" id="a00220_html_a22904c25fe44b323bab5c9bc52660fca"><div class="ttname"><a href="a00220.html#a22904c25fe44b323bab5c9bc52660fca">hwloc_obj_attr_u::osdev</a></div><div class="ttdeci">struct hwloc_obj_attr_u::hwloc_osdev_attr_s osdev</div></div>
<div class="ttc" id="a00195_html_ga936665ab5f0d29a081c4b78d11f4ad07"><div class="ttname"><a href="a00195.html#ga936665ab5f0d29a081c4b78d11f4ad07">hwloc_gl_get_display_by_osdev</a></div><div class="ttdeci">static int hwloc_gl_get_display_by_osdev(hwloc_topology_t topology, hwloc_obj_t osdev, unsigned *port, unsigned *device)</div><div class="ttdoc">Get the OpenGL display port and device corresponding to the given hwloc OS object. </div><div class="ttdef"><b>Definition:</b> gl.h:111</div></div>
<div class="ttc" id="a00165_html_ga9d1e76ee15a7dee158b786c30b6a6e38"><div class="ttname"><a href="a00165.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:609</div></div>
<div class="ttc" id="a00195_html_ga2d36ef441d1dfddf49cfb5c01bd58d8e"><div class="ttname"><a href="a00195.html#ga2d36ef441d1dfddf49cfb5c01bd58d8e">hwloc_gl_get_display_osdev_by_name</a></div><div class="ttdeci">static hwloc_obj_t hwloc_gl_get_display_osdev_by_name(hwloc_topology_t topology, const char *name)</div><div class="ttdoc">Get the hwloc OS device object corresponding to the OpenGL display given by name. ...</div><div class="ttdef"><b>Definition:</b> gl.h:85</div></div>
<div class="ttc" id="a00216_html"><div class="ttname"><a href="a00216.html">hwloc_obj</a></div><div class="ttdoc">Structure of a topology object. </div><div class="ttdef"><b>Definition:</b> hwloc.h:345</div></div>
<div class="ttc" id="a00163_html_gga64f5d539df299c97ae80ce53fc4b56c0aa3a09798ef2836abb236dc3a645ffc90"><div class="ttname"><a href="a00163.html#gga64f5d539df299c97ae80ce53fc4b56c0aa3a09798ef2836abb236dc3a645ffc90">HWLOC_OBJ_OSDEV_GPU</a></div><div class="ttdoc">Operating system GPU device. For instance ":0.0" for a GL display, "card0" for a Linux DRM device...</div><div class="ttdef"><b>Definition:</b> hwloc.h:274</div></div>
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