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<a href="apr__dso_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/* Licensed to the Apache Software Foundation (ASF) under one or more</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * contributor license agreements. See the NOTICE file distributed with</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * this work for additional information regarding copyright ownership.</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * The ASF licenses this file to You under the Apache License, Version 2.0</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * (the "License"); you may not use this file except in compliance with</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * the License. You may obtain a copy of the License at</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> *</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> *</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * Unless required by applicable law or agreed to in writing, software</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * distributed under the License is distributed on an "AS IS" BASIS,</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * See the License for the specific language governing permissions and</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * limitations under the License.</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> */</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">#ifndef APR_DSO_DOT_H</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#define APR_DSO_DOT_H</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"></span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">/**</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> * @file apr_dso.h</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * @brief APR Dynamic Object Handling Routines</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> */</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "<a class="code" href="apr_8h.html">apr.h</a>"</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "<a class="code" href="apr__pools_8h.html">apr_pools.h</a>"</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "<a class="code" href="apr__errno_8h.html">apr_errno.h</a>"</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">extern</span> <span class="stringliteral">"C"</span> {</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"></span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment">/**</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"> * @defgroup apr_dso Dynamic Object Handling</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"> * @ingroup APR </span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"> * @{</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment"> */</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#if APR_HAS_DSO || defined(DOXYGEN)</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment"></span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment">/**</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment"> * Structure for referencing dynamic objects</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment"> */</span></div><div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="group__apr__dso.html#ga85e7e28490d026aeed78bd78e9933472"> 44</a></span> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="group__apr__dso.html#ga85e7e28490d026aeed78bd78e9933472">apr_dso_handle_t</a> <a class="code" href="group__apr__dso.html#ga85e7e28490d026aeed78bd78e9933472">apr_dso_handle_t</a>;</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment"></span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment">/**</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment"> * Structure for referencing symbols from dynamic objects</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment"> */</span></div><div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="group__apr__dso.html#gaf1aa0a039e8003586cfdfbc4ac57e775"> 49</a></span> <span class="keyword">typedef</span> <span class="keywordtype">void</span> * <a class="code" href="group__apr__dso.html#gaf1aa0a039e8003586cfdfbc4ac57e775">apr_dso_handle_sym_t</a>;</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment"></span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment">/**</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment"> * Load a DSO library.</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"> * @param res_handle Location to store new handle for the DSO.</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment"> * @param path Path to the DSO library</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment"> * @param ctx Pool to use.</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment"> * @bug We aught to provide an alternative to RTLD_GLOBAL, which</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment"> * is the only supported method of loading DSOs today.</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment"> */</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <a class="code" href="group__apr__platform.html#gad7b91b811a172bfa802603c2fb688f98">APR_DECLARE</a>(<a class="code" href="group__apr__errno.html#gaf76ee4543247e9fb3f3546203e590a6c">apr_status_t</a>) <a class="code" href="group__apr__dso.html#gaedc8609c2bb76e5c43f2df2281a9d8b6">apr_dso_load</a>(<a class="code" href="group__apr__dso.html#ga85e7e28490d026aeed78bd78e9933472">apr_dso_handle_t</a> **res_handle, </div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *path, <a class="code" href="group__apr__pools.html#gaf137f28edcf9a086cd6bc36c20d7cdfb">apr_pool_t</a> *ctx);</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment"></span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment">/**</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="comment"> * Close a DSO library.</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="comment"> * @param handle handle to close.</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="comment"> */</span></div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <a class="code" href="group__apr__platform.html#gad7b91b811a172bfa802603c2fb688f98">APR_DECLARE</a>(<a class="code" href="group__apr__errno.html#gaf76ee4543247e9fb3f3546203e590a6c">apr_status_t</a>) <a class="code" href="group__apr__dso.html#ga4c7b1b4e98a5d23c56182ece047fbb7b">apr_dso_unload</a>(<a class="code" href="group__apr__dso.html#ga85e7e28490d026aeed78bd78e9933472">apr_dso_handle_t</a> *handle);</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="comment"></span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="comment">/**</span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="comment"> * Load a symbol from a DSO handle.</span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="comment"> * @param ressym Location to store the loaded symbol</span></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="comment"> * @param handle handle to load the symbol from.</span></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="comment"> * @param symname Name of the symbol to load.</span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="comment"> */</span></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <a class="code" href="group__apr__platform.html#gad7b91b811a172bfa802603c2fb688f98">APR_DECLARE</a>(<a class="code" href="group__apr__errno.html#gaf76ee4543247e9fb3f3546203e590a6c">apr_status_t</a>) <a class="code" href="group__apr__dso.html#gae84cd7041976787d73a9558e3393b97c">apr_dso_sym</a>(apr_dso_handle_sym_t *ressym, </div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <a class="code" href="group__apr__dso.html#ga85e7e28490d026aeed78bd78e9933472">apr_dso_handle_t</a> *handle,</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *symname);</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="comment"></span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="comment">/**</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="comment"> * Report more information when a DSO function fails.</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="comment"> * @param dso The dso handle that has been opened</span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="comment"> * @param buf Location to store the dso error</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="comment"> * @param bufsize The size of the provided buffer</span></div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="comment"> */</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <a class="code" href="group__apr__platform.html#gad7b91b811a172bfa802603c2fb688f98">APR_DECLARE</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *) <a class="code" href="group__apr__dso.html#gafa34fc75e1e9b8856385d3b18cfac05c">apr_dso_error</a>(<a class="code" href="group__apr__dso.html#ga85e7e28490d026aeed78bd78e9933472">apr_dso_handle_t</a> *dso, <span class="keywordtype">char</span> *buf, apr_size_t bufsize);</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="preprocessor">#endif </span><span class="comment">/* APR_HAS_DSO */</span><span class="preprocessor"></span></div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="comment"></span></div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="comment">/** @} */</span></div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="preprocessor">#ifdef __cplusplus</span></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="preprocessor">#endif</span></div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="group__apr__dso_html_gaedc8609c2bb76e5c43f2df2281a9d8b6"><div class="ttname"><a href="group__apr__dso.html#gaedc8609c2bb76e5c43f2df2281a9d8b6">apr_dso_load</a></div><div class="ttdeci">apr_status_t apr_dso_load(apr_dso_handle_t **res_handle, const char *path, apr_pool_t *ctx)</div></div>
<div class="ttc" id="group__apr__dso_html_gafa34fc75e1e9b8856385d3b18cfac05c"><div class="ttname"><a href="group__apr__dso.html#gafa34fc75e1e9b8856385d3b18cfac05c">apr_dso_error</a></div><div class="ttdeci">const char * apr_dso_error(apr_dso_handle_t *dso, char *buf, apr_size_t bufsize)</div></div>
<div class="ttc" id="group__apr__dso_html_ga85e7e28490d026aeed78bd78e9933472"><div class="ttname"><a href="group__apr__dso.html#ga85e7e28490d026aeed78bd78e9933472">apr_dso_handle_t</a></div><div class="ttdeci">struct apr_dso_handle_t apr_dso_handle_t</div><div class="ttdef"><b>Definition:</b> apr_dso.h:44</div></div>
<div class="ttc" id="group__apr__dso_html_gae84cd7041976787d73a9558e3393b97c"><div class="ttname"><a href="group__apr__dso.html#gae84cd7041976787d73a9558e3393b97c">apr_dso_sym</a></div><div class="ttdeci">apr_status_t apr_dso_sym(apr_dso_handle_sym_t *ressym, apr_dso_handle_t *handle, const char *symname)</div></div>
<div class="ttc" id="group__apr__platform_html_gad7b91b811a172bfa802603c2fb688f98"><div class="ttname"><a href="group__apr__platform.html#gad7b91b811a172bfa802603c2fb688f98">APR_DECLARE</a></div><div class="ttdeci">#define APR_DECLARE(type)</div><div class="ttdef"><b>Definition:</b> apr.h:479</div></div>
<div class="ttc" id="apr__pools_8h_html"><div class="ttname"><a href="apr__pools_8h.html">apr_pools.h</a></div><div class="ttdoc">APR memory allocation. </div></div>
<div class="ttc" id="group__apr__dso_html_ga4c7b1b4e98a5d23c56182ece047fbb7b"><div class="ttname"><a href="group__apr__dso.html#ga4c7b1b4e98a5d23c56182ece047fbb7b">apr_dso_unload</a></div><div class="ttdeci">apr_status_t apr_dso_unload(apr_dso_handle_t *handle)</div></div>
<div class="ttc" id="apr__errno_8h_html"><div class="ttname"><a href="apr__errno_8h.html">apr_errno.h</a></div><div class="ttdoc">APR Error Codes. </div></div>
<div class="ttc" id="apr_8h_html"><div class="ttname"><a href="apr_8h.html">apr.h</a></div><div class="ttdoc">APR Platform Definitions. </div></div>
<div class="ttc" id="group__apr__dso_html_gaf1aa0a039e8003586cfdfbc4ac57e775"><div class="ttname"><a href="group__apr__dso.html#gaf1aa0a039e8003586cfdfbc4ac57e775">apr_dso_handle_sym_t</a></div><div class="ttdeci">void * apr_dso_handle_sym_t</div><div class="ttdef"><b>Definition:</b> apr_dso.h:49</div></div>
<div class="ttc" id="group__apr__pools_html_gaf137f28edcf9a086cd6bc36c20d7cdfb"><div class="ttname"><a href="group__apr__pools.html#gaf137f28edcf9a086cd6bc36c20d7cdfb">apr_pool_t</a></div><div class="ttdeci">struct apr_pool_t apr_pool_t</div><div class="ttdef"><b>Definition:</b> apr_pools.h:60</div></div>
<div class="ttc" id="group__apr__errno_html_gaf76ee4543247e9fb3f3546203e590a6c"><div class="ttname"><a href="group__apr__errno.html#gaf76ee4543247e9fb3f3546203e590a6c">apr_status_t</a></div><div class="ttdeci">int apr_status_t</div><div class="ttdef"><b>Definition:</b> apr_errno.h:44</div></div>
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