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lib64apr-util-devel-1.2.12-4mdv2008.1.x86_64.rpm

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<h1>include/apr_hooks.h</h1><a href="apr__hooks_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* Licensed to the Apache Software Foundation (ASF) under one or more</span>
<a name="l00002"></a>00002 <span class="comment"> * contributor license agreements.  See the NOTICE file distributed with</span>
<a name="l00003"></a>00003 <span class="comment"> * this work for additional information regarding copyright ownership.</span>
<a name="l00004"></a>00004 <span class="comment"> * The ASF licenses this file to You under the Apache License, Version 2.0</span>
<a name="l00005"></a>00005 <span class="comment"> * (the "License"); you may not use this file except in compliance with</span>
<a name="l00006"></a>00006 <span class="comment"> * the License.  You may obtain a copy of the License at</span>
<a name="l00007"></a>00007 <span class="comment"> *</span>
<a name="l00008"></a>00008 <span class="comment"> *     http://www.apache.org/licenses/LICENSE-2.0</span>
<a name="l00009"></a>00009 <span class="comment"> *</span>
<a name="l00010"></a>00010 <span class="comment"> * Unless required by applicable law or agreed to in writing, software</span>
<a name="l00011"></a>00011 <span class="comment"> * distributed under the License is distributed on an "AS IS" BASIS,</span>
<a name="l00012"></a>00012 <span class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
<a name="l00013"></a>00013 <span class="comment"> * See the License for the specific language governing permissions and</span>
<a name="l00014"></a>00014 <span class="comment"> * limitations under the License.</span>
<a name="l00015"></a>00015 <span class="comment"> */</span>
<a name="l00016"></a>00016 
<a name="l00017"></a>00017 <span class="preprocessor">#ifndef APR_HOOKS_H</span>
<a name="l00018"></a>00018 <span class="preprocessor"></span><span class="preprocessor">#define APR_HOOKS_H</span>
<a name="l00019"></a>00019 <span class="preprocessor"></span>
<a name="l00020"></a>00020 <span class="preprocessor">#include "apu.h"</span>
<a name="l00021"></a>00021 <span class="comment">/* For apr_array_header_t */</span>
<a name="l00022"></a>00022 <span class="preprocessor">#include "apr_tables.h"</span>
<a name="l00023"></a>00023 
<a name="l00029"></a>00029 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00030"></a>00030 <span class="preprocessor"></span><span class="keyword">extern</span> <span class="stringliteral">"C"</span> {
<a name="l00031"></a>00031 <span class="preprocessor">#endif</span>
<a name="l00032"></a>00032 <span class="preprocessor"></span>
<a name="l00038"></a><a class="code" href="group___a_p_r___util___hook.html#g832a6d3b73a43b3f7c58c5702ddccce9">00038</a> <span class="preprocessor">#define APR_IMPLEMENT_HOOK_GET_PROTO(ns,link,name) \</span>
<a name="l00039"></a>00039 <span class="preprocessor">link##_DECLARE(apr_array_header_t *) ns##_hook_get_##name(void)</span>
<a name="l00040"></a>00040 <span class="preprocessor"></span>
<a name="l00042"></a><a class="code" href="group___a_p_r___util___hook.html#g69298243d3c4ffb4627fd3d04b522f44">00042</a> <span class="preprocessor">#define APR_DECLARE_EXTERNAL_HOOK(ns,link,ret,name,args) \</span>
<a name="l00043"></a>00043 <span class="preprocessor">typedef ret ns##_HOOK_##name##_t args; \</span>
<a name="l00044"></a>00044 <span class="preprocessor">link##_DECLARE(void) ns##_hook_##name(ns##_HOOK_##name##_t *pf, \</span>
<a name="l00045"></a>00045 <span class="preprocessor">                                      const char * const *aszPre, \</span>
<a name="l00046"></a>00046 <span class="preprocessor">                                      const char * const *aszSucc, int nOrder); \</span>
<a name="l00047"></a>00047 <span class="preprocessor">link##_DECLARE(ret) ns##_run_##name args; \</span>
<a name="l00048"></a>00048 <span class="preprocessor">APR_IMPLEMENT_HOOK_GET_PROTO(ns,link,name); \</span>
<a name="l00049"></a>00049 <span class="preprocessor">typedef struct ns##_LINK_##name##_t \</span>
<a name="l00050"></a>00050 <span class="preprocessor">    { \</span>
<a name="l00051"></a>00051 <span class="preprocessor">    ns##_HOOK_##name##_t *pFunc; \</span>
<a name="l00052"></a>00052 <span class="preprocessor">    const char *szName; \</span>
<a name="l00053"></a>00053 <span class="preprocessor">    const char * const *aszPredecessors; \</span>
<a name="l00054"></a>00054 <span class="preprocessor">    const char * const *aszSuccessors; \</span>
<a name="l00055"></a>00055 <span class="preprocessor">    int nOrder; \</span>
<a name="l00056"></a>00056 <span class="preprocessor">    } ns##_LINK_##name##_t;</span>
<a name="l00057"></a>00057 <span class="preprocessor"></span>
<a name="l00059"></a><a class="code" href="group___a_p_r___util___hook.html#ga936f5a0d1164d301aa157de6023fae5">00059</a> <span class="preprocessor">#define APR_HOOK_STRUCT(members) \</span>
<a name="l00060"></a>00060 <span class="preprocessor">static struct { members } _hooks;</span>
<a name="l00061"></a>00061 <span class="preprocessor"></span>
<a name="l00063"></a><a class="code" href="group___a_p_r___util___hook.html#g5699f73166bae88b6f6ac0bf7618b0f6">00063</a> <span class="preprocessor">#define APR_HOOK_LINK(name) \</span>
<a name="l00064"></a>00064 <span class="preprocessor">    apr_array_header_t *link_##name;</span>
<a name="l00065"></a>00065 <span class="preprocessor"></span>
<a name="l00067"></a><a class="code" href="group___a_p_r___util___hook.html#g2500abadaa54b3a9d6ec25ff33a6b0cc">00067</a> <span class="preprocessor">#define APR_IMPLEMENT_EXTERNAL_HOOK_BASE(ns,link,name) \</span>
<a name="l00068"></a>00068 <span class="preprocessor">link##_DECLARE(void) ns##_hook_##name(ns##_HOOK_##name##_t *pf,const char * const *aszPre, \</span>
<a name="l00069"></a>00069 <span class="preprocessor">                                      const char * const *aszSucc,int nOrder) \</span>
<a name="l00070"></a>00070 <span class="preprocessor">    { \</span>
<a name="l00071"></a>00071 <span class="preprocessor">    ns##_LINK_##name##_t *pHook; \</span>
<a name="l00072"></a>00072 <span class="preprocessor">    if(!_hooks.link_##name) \</span>
<a name="l00073"></a>00073 <span class="preprocessor">        { \</span>
<a name="l00074"></a>00074 <span class="preprocessor">        _hooks.link_##name=apr_array_make(apr_hook_global_pool,1,sizeof(ns##_LINK_##name##_t)); \</span>
<a name="l00075"></a>00075 <span class="preprocessor">        apr_hook_sort_register(#name,&amp;_hooks.link_##name); \</span>
<a name="l00076"></a>00076 <span class="preprocessor">        } \</span>
<a name="l00077"></a>00077 <span class="preprocessor">    pHook=apr_array_push(_hooks.link_##name); \</span>
<a name="l00078"></a>00078 <span class="preprocessor">    pHook-&gt;pFunc=pf; \</span>
<a name="l00079"></a>00079 <span class="preprocessor">    pHook-&gt;aszPredecessors=aszPre; \</span>
<a name="l00080"></a>00080 <span class="preprocessor">    pHook-&gt;aszSuccessors=aszSucc; \</span>
<a name="l00081"></a>00081 <span class="preprocessor">    pHook-&gt;nOrder=nOrder; \</span>
<a name="l00082"></a>00082 <span class="preprocessor">    pHook-&gt;szName=apr_hook_debug_current; \</span>
<a name="l00083"></a>00083 <span class="preprocessor">    if(apr_hook_debug_enabled) \</span>
<a name="l00084"></a>00084 <span class="preprocessor">        apr_hook_debug_show(#name,aszPre,aszSucc); \</span>
<a name="l00085"></a>00085 <span class="preprocessor">    } \</span>
<a name="l00086"></a>00086 <span class="preprocessor">    APR_IMPLEMENT_HOOK_GET_PROTO(ns,link,name) \</span>
<a name="l00087"></a>00087 <span class="preprocessor">    { \</span>
<a name="l00088"></a>00088 <span class="preprocessor">        return _hooks.link_##name; \</span>
<a name="l00089"></a>00089 <span class="preprocessor">    }</span>
<a name="l00090"></a>00090 <span class="preprocessor"></span>
<a name="l00103"></a><a class="code" href="group___a_p_r___util___hook.html#g2d11a43b6431ec568cc1647da4a2079c">00103</a> <span class="preprocessor">#define APR_IMPLEMENT_EXTERNAL_HOOK_VOID(ns,link,name,args_decl,args_use) \</span>
<a name="l00104"></a>00104 <span class="preprocessor">APR_IMPLEMENT_EXTERNAL_HOOK_BASE(ns,link,name) \</span>
<a name="l00105"></a>00105 <span class="preprocessor">link##_DECLARE(void) ns##_run_##name args_decl \</span>
<a name="l00106"></a>00106 <span class="preprocessor">    { \</span>
<a name="l00107"></a>00107 <span class="preprocessor">    ns##_LINK_##name##_t *pHook; \</span>
<a name="l00108"></a>00108 <span class="preprocessor">    int n; \</span>
<a name="l00109"></a>00109 <span class="preprocessor">\</span>
<a name="l00110"></a>00110 <span class="preprocessor">    if(!_hooks.link_##name) \</span>
<a name="l00111"></a>00111 <span class="preprocessor">        return; \</span>
<a name="l00112"></a>00112 <span class="preprocessor">\</span>
<a name="l00113"></a>00113 <span class="preprocessor">    pHook=(ns##_LINK_##name##_t *)_hooks.link_##name-&gt;elts; \</span>
<a name="l00114"></a>00114 <span class="preprocessor">    for(n=0 ; n &lt; _hooks.link_##name-&gt;nelts ; ++n) \</span>
<a name="l00115"></a>00115 <span class="preprocessor">        pHook[n].pFunc args_use; \</span>
<a name="l00116"></a>00116 <span class="preprocessor">    }</span>
<a name="l00117"></a>00117 <span class="preprocessor"></span>
<a name="l00118"></a>00118 <span class="comment">/* FIXME: note that this returns ok when nothing is run. I suspect it should</span>
<a name="l00119"></a>00119 <span class="comment">   really return decline, but that breaks Apache currently - Ben</span>
<a name="l00120"></a>00120 <span class="comment">*/</span>
<a name="l00136"></a><a class="code" href="group___a_p_r___util___hook.html#gb466280bdabe0cc2ee5880cbb512fa3d">00136</a> <span class="preprocessor">#define APR_IMPLEMENT_EXTERNAL_HOOK_RUN_ALL(ns,link,ret,name,args_decl,args_use,ok,decline) \</span>
<a name="l00137"></a>00137 <span class="preprocessor">APR_IMPLEMENT_EXTERNAL_HOOK_BASE(ns,link,name) \</span>
<a name="l00138"></a>00138 <span class="preprocessor">link##_DECLARE(ret) ns##_run_##name args_decl \</span>
<a name="l00139"></a>00139 <span class="preprocessor">    { \</span>
<a name="l00140"></a>00140 <span class="preprocessor">    ns##_LINK_##name##_t *pHook; \</span>
<a name="l00141"></a>00141 <span class="preprocessor">    int n; \</span>
<a name="l00142"></a>00142 <span class="preprocessor">    ret rv; \</span>
<a name="l00143"></a>00143 <span class="preprocessor">\</span>
<a name="l00144"></a>00144 <span class="preprocessor">    if(!_hooks.link_##name) \</span>
<a name="l00145"></a>00145 <span class="preprocessor">        return ok; \</span>
<a name="l00146"></a>00146 <span class="preprocessor">\</span>
<a name="l00147"></a>00147 <span class="preprocessor">    pHook=(ns##_LINK_##name##_t *)_hooks.link_##name-&gt;elts; \</span>
<a name="l00148"></a>00148 <span class="preprocessor">    for(n=0 ; n &lt; _hooks.link_##name-&gt;nelts ; ++n) \</span>
<a name="l00149"></a>00149 <span class="preprocessor">        { \</span>
<a name="l00150"></a>00150 <span class="preprocessor">        rv=pHook[n].pFunc args_use; \</span>
<a name="l00151"></a>00151 <span class="preprocessor">\</span>
<a name="l00152"></a>00152 <span class="preprocessor">        if(rv != ok &amp;&amp; rv != decline) \</span>
<a name="l00153"></a>00153 <span class="preprocessor">            return rv; \</span>
<a name="l00154"></a>00154 <span class="preprocessor">        } \</span>
<a name="l00155"></a>00155 <span class="preprocessor">    return ok; \</span>
<a name="l00156"></a>00156 <span class="preprocessor">    }</span>
<a name="l00157"></a>00157 <span class="preprocessor"></span>
<a name="l00158"></a>00158 
<a name="l00173"></a><a class="code" href="group___a_p_r___util___hook.html#g0420a2aa9ca6b3c1638bdb76025ecc57">00173</a> <span class="preprocessor">#define APR_IMPLEMENT_EXTERNAL_HOOK_RUN_FIRST(ns,link,ret,name,args_decl,args_use,decline) \</span>
<a name="l00174"></a>00174 <span class="preprocessor">APR_IMPLEMENT_EXTERNAL_HOOK_BASE(ns,link,name) \</span>
<a name="l00175"></a>00175 <span class="preprocessor">link##_DECLARE(ret) ns##_run_##name args_decl \</span>
<a name="l00176"></a>00176 <span class="preprocessor">    { \</span>
<a name="l00177"></a>00177 <span class="preprocessor">    ns##_LINK_##name##_t *pHook; \</span>
<a name="l00178"></a>00178 <span class="preprocessor">    int n; \</span>
<a name="l00179"></a>00179 <span class="preprocessor">    ret rv; \</span>
<a name="l00180"></a>00180 <span class="preprocessor">\</span>
<a name="l00181"></a>00181 <span class="preprocessor">    if(!_hooks.link_##name) \</span>
<a name="l00182"></a>00182 <span class="preprocessor">        return decline; \</span>
<a name="l00183"></a>00183 <span class="preprocessor">\</span>
<a name="l00184"></a>00184 <span class="preprocessor">    pHook=(ns##_LINK_##name##_t *)_hooks.link_##name-&gt;elts; \</span>
<a name="l00185"></a>00185 <span class="preprocessor">    for(n=0 ; n &lt; _hooks.link_##name-&gt;nelts ; ++n) \</span>
<a name="l00186"></a>00186 <span class="preprocessor">        { \</span>
<a name="l00187"></a>00187 <span class="preprocessor">        rv=pHook[n].pFunc args_use; \</span>
<a name="l00188"></a>00188 <span class="preprocessor">\</span>
<a name="l00189"></a>00189 <span class="preprocessor">        if(rv != decline) \</span>
<a name="l00190"></a>00190 <span class="preprocessor">            return rv; \</span>
<a name="l00191"></a>00191 <span class="preprocessor">        } \</span>
<a name="l00192"></a>00192 <span class="preprocessor">    return decline; \</span>
<a name="l00193"></a>00193 <span class="preprocessor">    }</span>
<a name="l00194"></a>00194 <span class="preprocessor"></span>
<a name="l00195"></a>00195     <span class="comment">/* Hook orderings */</span>
<a name="l00197"></a><a class="code" href="group___a_p_r___util___hook.html#gb004dcbfff32997deb15040e48f07e92">00197</a> <span class="preprocessor">#define APR_HOOK_REALLY_FIRST   (-10)</span>
<a name="l00198"></a>00198 <span class="preprocessor"></span>
<a name="l00199"></a><a class="code" href="group___a_p_r___util___hook.html#g564dea4803813674cb6b742f65a3d2b2">00199</a> <span class="preprocessor">#define APR_HOOK_FIRST          0</span>
<a name="l00200"></a>00200 <span class="preprocessor"></span>
<a name="l00201"></a><a class="code" href="group___a_p_r___util___hook.html#gb9a5d50c3478c4d640deccec6b0ce879">00201</a> <span class="preprocessor">#define APR_HOOK_MIDDLE         10</span>
<a name="l00202"></a>00202 <span class="preprocessor"></span>
<a name="l00203"></a><a class="code" href="group___a_p_r___util___hook.html#ga610a95f03d7b4aee922c28b0919f028">00203</a> <span class="preprocessor">#define APR_HOOK_LAST           20</span>
<a name="l00204"></a>00204 <span class="preprocessor"></span>
<a name="l00205"></a><a class="code" href="group___a_p_r___util___hook.html#ge3c7d2cf35e8c89828dfff7a85b0ed77">00205</a> <span class="preprocessor">#define APR_HOOK_REALLY_LAST    30</span>
<a name="l00206"></a>00206 <span class="preprocessor"></span>
<a name="l00210"></a>00210 <a class="code" href="group___a_p_r___util.html#g7009cc3d445c4b2f93c80990230d7b3f">APU_DECLARE_DATA</a> <span class="keyword">extern</span> apr_pool_t *<a class="code" href="group___a_p_r___util___hook.html#g8911bb699a5f03ad3c36d579ca0eca23">apr_hook_global_pool</a>;
<a name="l00211"></a>00211 
<a name="l00216"></a>00216 <a class="code" href="group___a_p_r___util.html#g7009cc3d445c4b2f93c80990230d7b3f">APU_DECLARE_DATA</a> <span class="keyword">extern</span> <span class="keywordtype">int</span> <a class="code" href="group___a_p_r___util___hook.html#g59309caeb9b47d921727530494f264be">apr_hook_debug_enabled</a>;
<a name="l00217"></a>00217 
<a name="l00221"></a>00221 <a class="code" href="group___a_p_r___util.html#g7009cc3d445c4b2f93c80990230d7b3f">APU_DECLARE_DATA</a> <span class="keyword">extern</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="group___a_p_r___util___hook.html#g37be3c217439ceddbda16054b020a658">apr_hook_debug_current</a>;
<a name="l00222"></a>00222 
<a name="l00228"></a>00228 <a class="code" href="group___a_p_r___util.html#g408498ed57031391c19bf360cc61733a">APU_DECLARE</a>(<span class="keywordtype">void</span>) <a class="code" href="group___a_p_r___util___hook.html#g04843fe00dc3c08c23130fef3ba1260c">apr_hook_sort_register</a>(const <span class="keywordtype">char</span> *szHookName, 
<a name="l00229"></a>00229                                         apr_array_header_t **aHooks);
<a name="l00233"></a>00233 <a class="code" href="group___a_p_r___util.html#g408498ed57031391c19bf360cc61733a">APU_DECLARE</a>(<span class="keywordtype">void</span>) <a class="code" href="group___a_p_r___util___hook.html#g1e0b6cf91dac5417c1b9cbd1b46b8991">apr_hook_sort_all</a>(<span class="keywordtype">void</span>);
<a name="l00234"></a>00234 
<a name="l00242"></a>00242 <a class="code" href="group___a_p_r___util.html#g408498ed57031391c19bf360cc61733a">APU_DECLARE</a>(<span class="keywordtype">void</span>) <a class="code" href="group___a_p_r___util___hook.html#g1de31557683f53c2a07f73990962c585">apr_hook_debug_show</a>(const <span class="keywordtype">char</span> *szName,
<a name="l00243"></a>00243                                       const <span class="keywordtype">char</span> * const *aszPre,
<a name="l00244"></a>00244                                       const <span class="keywordtype">char</span> * const *aszSucc);
<a name="l00245"></a>00245 
<a name="l00249"></a>00249 <a class="code" href="group___a_p_r___util.html#g408498ed57031391c19bf360cc61733a">APU_DECLARE</a>(<span class="keywordtype">void</span>) <a class="code" href="group___a_p_r___util___hook.html#g5d20451da75574c8433feb1bd5b2ce10">apr_hook_deregister_all</a>(<span class="keywordtype">void</span>);
<a name="l00250"></a>00250 
<a name="l00252"></a>00252 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00253"></a>00253 <span class="preprocessor"></span>}
<a name="l00254"></a>00254 <span class="preprocessor">#endif</span>
<a name="l00255"></a>00255 <span class="preprocessor"></span>
<a name="l00256"></a>00256 <span class="preprocessor">#endif </span><span class="comment">/* APR_HOOKS_H */</span>
</pre></div><hr size="1"><address style="text-align: right;"><small>Generated on Thu Jan 24 02:22:55 2008 for Apache Portable Runtime Utility Library by&nbsp;
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