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<h1>apr_dso.h</h1><a href="apr__dso_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment">00001 <span class="comment">/* Copyright 2000-2004 The Apache Software Foundation</span>
00002 <span class="comment"> *</span>
00003 <span class="comment"> * Licensed under the Apache License, Version 2.0 (the "License");</span>
00004 <span class="comment"> * you may not use this file except in compliance with the License.</span>
00005 <span class="comment"> * You may obtain a copy of the License at</span>
00006 <span class="comment"> *</span>
00007 <span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span>
00008 <span class="comment"> *</span>
00009 <span class="comment"> * Unless required by applicable law or agreed to in writing, software</span>
00010 <span class="comment"> * distributed under the License is distributed on an "AS IS" BASIS,</span>
00011 <span class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
00012 <span class="comment"> * See the License for the specific language governing permissions and</span>
00013 <span class="comment"> * limitations under the License.</span>
00014 <span class="comment"> */</span>
00015
00016 <span class="preprocessor">#ifndef APR_DSO_DOT_H</span>
00017 <span class="preprocessor"></span><span class="preprocessor">#define APR_DSO_DOT_H</span>
00018 <span class="preprocessor"></span><span class="comment"></span>
00019 <span class="comment">/**</span>
00020 <span class="comment"> * @file apr_dso.h</span>
00021 <span class="comment"> * @brief APR Dynamic Object Handling Routines</span>
00022 <span class="comment"> */</span>
00023
00024 <span class="preprocessor">#include "<a class="code" href="apr_8h.html">apr.h</a>"</span>
00025 <span class="preprocessor">#include "<a class="code" href="apr__pools_8h.html">apr_pools.h</a>"</span>
00026 <span class="preprocessor">#include "<a class="code" href="apr__errno_8h.html">apr_errno.h</a>"</span>
00027
00028 <span class="preprocessor">#ifdef __cplusplus</span>
00029 <span class="preprocessor"></span><span class="keyword">extern</span> <span class="stringliteral">"C"</span> {
00030 <span class="preprocessor">#endif</span>
00031 <span class="preprocessor"></span><span class="comment"></span>
00032 <span class="comment">/**</span>
00033 <span class="comment"> * @defgroup apr_dso Dynamic Object Handling</span>
00034 <span class="comment"> * @ingroup APR </span>
00035 <span class="comment"> * @{</span>
00036 <span class="comment"> */</span>
00037
00038 <span class="preprocessor">#if APR_HAS_DSO || defined(DOXYGEN)</span>
00039 <span class="preprocessor"></span><span class="comment"></span>
00040 <span class="comment">/**</span>
00041 <span class="comment"> * Structure for referencing dynamic objects</span>
00042 <span class="comment"> */</span>
<a name="l00043"></a><a class="code" href="group__apr__dso.html#ga0">00043</a> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="group__apr__dso.html#ga0">apr_dso_handle_t</a> <a class="code" href="group__apr__dso.html#ga0">apr_dso_handle_t</a>;
00044 <span class="comment"></span>
00045 <span class="comment">/**</span>
00046 <span class="comment"> * Structure for referencing symbols from dynamic objects</span>
00047 <span class="comment"> */</span>
<a name="l00048"></a><a class="code" href="group__apr__dso.html#ga1">00048</a> <span class="keyword">typedef</span> <span class="keywordtype">void</span> * apr_dso_handle_sym_t;
00049 <span class="comment"></span>
00050 <span class="comment">/**</span>
00051 <span class="comment"> * Load a DSO library.</span>
00052 <span class="comment"> * @param res_handle Location to store new handle for the DSO.</span>
00053 <span class="comment"> * @param path Path to the DSO library</span>
00054 <span class="comment"> * @param ctx Pool to use.</span>
00055 <span class="comment"> * @bug We aught to provide an alternative to RTLD_GLOBAL, which</span>
00056 <span class="comment"> * is the only supported method of loading DSOs today.</span>
00057 <span class="comment"> */</span>
00058 <a class="code" href="group__apr__platform.html#ga123">APR_DECLARE</a>(apr_status_t) apr_dso_load(apr_dso_handle_t **res_handle,
00059 const <span class="keywordtype">char</span> *path, apr_pool_t *ctx);
00060 <span class="comment"></span>
00061 <span class="comment">/**</span>
00062 <span class="comment"> * Close a DSO library.</span>
00063 <span class="comment"> * @param handle handle to close.</span>
00064 <span class="comment"> */</span>
00065 APR_DECLARE(apr_status_t) apr_dso_unload(apr_dso_handle_t *handle);
00066 <span class="comment"></span>
00067 <span class="comment">/**</span>
00068 <span class="comment"> * Load a symbol from a DSO handle.</span>
00069 <span class="comment"> * @param ressym Location to store the loaded symbol</span>
00070 <span class="comment"> * @param handle handle to load the symbol from.</span>
00071 <span class="comment"> * @param symname Name of the symbol to load.</span>
00072 <span class="comment"> */</span>
00073 APR_DECLARE(apr_status_t) apr_dso_sym(apr_dso_handle_sym_t *ressym,
00074 apr_dso_handle_t *handle,
00075 const <span class="keywordtype">char</span> *symname);
00076 <span class="comment"></span>
00077 <span class="comment">/**</span>
00078 <span class="comment"> * Report more information when a DSO function fails.</span>
00079 <span class="comment"> * @param dso The dso handle that has been opened</span>
00080 <span class="comment"> * @param buf Location to store the dso error</span>
00081 <span class="comment"> * @param bufsize The size of the provided buffer</span>
00082 <span class="comment"> */</span>
00083 APR_DECLARE(const <span class="keywordtype">char</span> *) apr_dso_error(apr_dso_handle_t *dso, <span class="keywordtype">char</span> *buf, apr_size_t bufsize);
00084
00085 #endif <span class="comment">/* APR_HAS_DSO */</span>
00086 <span class="comment"></span>
00087 <span class="comment">/** @} */</span>
00088
00089 #ifdef __cplusplus
00090 }
00091 #endif
00092
00093 #endif
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Sun Mar 20 19:52:26 2005 for Apache Portable Runtime by
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