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<div class="title">apr_thread_rwlock.h</div> </div>
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<a href="apr__thread__rwlock_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_THREAD_RWLOCK_H</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor"></span><span class="preprocessor">#define APR_THREAD_RWLOCK_H</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor"></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_thread_rwlock.h</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * @brief APR Reader/Writer Lock 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="preprocessor"></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><span class="comment">/* __cplusplus */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#if APR_HAS_THREADS</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor"></span><span class="comment"></span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"> * @defgroup apr_thread_rwlock Reader/Writer Lock Routines</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment"> * @ingroup APR </span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"> * @{</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"> */</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">/** Opaque read-write thread-safe lock. */</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="group__apr__thread__rwlock.html#gaede9b908e3d9e6a8aed7bd10d0ae0498"> 42</a></span> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="group__apr__thread__rwlock.html#gaede9b908e3d9e6a8aed7bd10d0ae0498">apr_thread_rwlock_t</a> <a class="code" href="group__apr__thread__rwlock.html#gaede9b908e3d9e6a8aed7bd10d0ae0498">apr_thread_rwlock_t</a>;</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"> 44</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment"> * Note: The following operations have undefined results: unlocking a</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment"> * read-write lock which is not locked in the calling thread; write</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment"> * locking a read-write lock which is already locked by the calling</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment"> * thread; destroying a read-write lock more than once; clearing or</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment"> * destroying the pool from which a <b>locked</b> read-write lock is</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment"> * allocated.</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"></span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment"> * Create and initialize a read-write lock that can be used to synchronize</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment"> * threads.</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment"> * @param rwlock the memory address where the newly created readwrite lock</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment"> * will be stored.</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment"> * @param pool the pool from which to allocate the mutex.</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</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__thread__rwlock.html#gadae9c87ad957112406b48947cb1f0e93">apr_thread_rwlock_create</a>(<a class="code" href="group__apr__thread__rwlock.html#gaede9b908e3d9e6a8aed7bd10d0ae0498">apr_thread_rwlock_t</a> **rwlock,</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <a class="code" href="group__apr__pools.html#gaf137f28edcf9a086cd6bc36c20d7cdfb">apr_pool_t</a> *pool);<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"> * Acquire a shared-read lock on the given read-write lock. This will allow</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="comment"> * multiple threads to enter the same critical section while they have acquired</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="comment"> * the read lock.</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment"> * @param rwlock the read-write lock on which to acquire the shared read.</span></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> <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__thread__rwlock.html#gad44a106cd9a81eef362d31837ca7018f">apr_thread_rwlock_rdlock</a>(<a class="code" href="group__apr__thread__rwlock.html#gaede9b908e3d9e6a8aed7bd10d0ae0498">apr_thread_rwlock_t</a> *rwlock);</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="comment"></span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="comment"> * Attempt to acquire the shared-read lock on the given read-write lock. This</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="comment"> * is the same as apr_thread_rwlock_rdlock(), only that the function fails</span></div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="comment"> * if there is another thread holding the write lock, or if there are any</span></div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="comment"> * write threads blocking on the lock. If the function fails for this case,</span></div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="comment"> * APR_EBUSY will be returned. Note: it is important that the</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="comment"> * APR_STATUS_IS_EBUSY(s) macro be used to determine if the return value was</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="comment"> * APR_EBUSY, for portability reasons.</span></div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="comment"> * @param rwlock the rwlock on which to attempt the shared read.</span></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</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__thread__rwlock.html#ga2bbbc137f5c610e31bf87fd0a60c428e">apr_thread_rwlock_tryrdlock</a>(<a class="code" href="group__apr__thread__rwlock.html#gaede9b908e3d9e6a8aed7bd10d0ae0498">apr_thread_rwlock_t</a> *rwlock);</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="comment"></span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="comment"> * Acquire an exclusive-write lock on the given read-write lock. This will</span></div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="comment"> * allow only one single thread to enter the critical sections. If there</span></div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="comment"> * are any threads currently holding the read-lock, this thread is put to</span></div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="comment"> * sleep until it can have exclusive access to the lock.</span></div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="comment"> * @param rwlock the read-write lock on which to acquire the exclusive write.</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> <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__thread__rwlock.html#ga91543c9f97a6a1265524a5a8f55fef31">apr_thread_rwlock_wrlock</a>(<a class="code" href="group__apr__thread__rwlock.html#gaede9b908e3d9e6a8aed7bd10d0ae0498">apr_thread_rwlock_t</a> *rwlock);</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="comment"></span></div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="comment"> * Attempt to acquire the exclusive-write lock on the given read-write lock. </span></div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="comment"> * This is the same as apr_thread_rwlock_wrlock(), only that the function fails</span></div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="comment"> * if there is any other thread holding the lock (for reading or writing),</span></div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="comment"> * in which case the function will return APR_EBUSY. Note: it is important</span></div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="comment"> * that the APR_STATUS_IS_EBUSY(s) macro be used to determine if the return</span></div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="comment"> * value was APR_EBUSY, for portability reasons.</span></div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="comment"> * @param rwlock the rwlock on which to attempt the exclusive write.</span></div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</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__thread__rwlock.html#ga54c04596f8a1f44630bdda5a25578d63">apr_thread_rwlock_trywrlock</a>(<a class="code" href="group__apr__thread__rwlock.html#gaede9b908e3d9e6a8aed7bd10d0ae0498">apr_thread_rwlock_t</a> *rwlock);</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="comment"></span></div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="comment"> * Release either the read or write lock currently held by the calling thread</span></div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="comment"> * associated with the given read-write lock.</span></div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="comment"> * @param rwlock the read-write lock to be released (unlocked).</span></div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</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__thread__rwlock.html#gac7b31112d972abfcac30252e622eb040">apr_thread_rwlock_unlock</a>(<a class="code" href="group__apr__thread__rwlock.html#gaede9b908e3d9e6a8aed7bd10d0ae0498">apr_thread_rwlock_t</a> *rwlock);</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="comment"></span></div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="comment"> * Destroy the read-write lock and free the associated memory.</span></div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="comment"> * @param rwlock the rwlock to destroy.</span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</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__thread__rwlock.html#ga136118166f50091fb30011d837a4cdcc">apr_thread_rwlock_destroy</a>(<a class="code" href="group__apr__thread__rwlock.html#gaede9b908e3d9e6a8aed7bd10d0ae0498">apr_thread_rwlock_t</a> *rwlock);</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="comment"></span></div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="comment"> * Get the pool used by this thread_rwlock.</span></div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="comment"> * @return apr_pool_t the pool</span></div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <a class="code" href="group__apr__pools.html#ga89ce1d55c7f0c39ea87c88eabd655394">APR_POOL_DECLARE_ACCESSOR</a>(thread_rwlock);</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="preprocessor">#endif </span><span class="comment">/* APR_HAS_THREADS */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="preprocessor"></span><span class="comment"></span></div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="comment">/** @} */</span></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> <span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="preprocessor"></span>}</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="preprocessor">#endif </span><span class="comment">/* ! APR_THREAD_RWLOCK_H */</span><span class="preprocessor"></span></div>
<div class="ttc" id="group__apr__thread__rwlock_html_gad44a106cd9a81eef362d31837ca7018f"><div class="ttname"><a href="group__apr__thread__rwlock.html#gad44a106cd9a81eef362d31837ca7018f">apr_thread_rwlock_rdlock</a></div><div class="ttdeci">apr_status_t apr_thread_rwlock_rdlock(apr_thread_rwlock_t *rwlock)</div></div>
<div class="ttc" id="group__apr__thread__rwlock_html_gadae9c87ad957112406b48947cb1f0e93"><div class="ttname"><a href="group__apr__thread__rwlock.html#gadae9c87ad957112406b48947cb1f0e93">apr_thread_rwlock_create</a></div><div class="ttdeci">apr_status_t apr_thread_rwlock_create(apr_thread_rwlock_t **rwlock, apr_pool_t *pool)</div></div>
<div class="ttc" id="group__apr__thread__rwlock_html_gac7b31112d972abfcac30252e622eb040"><div class="ttname"><a href="group__apr__thread__rwlock.html#gac7b31112d972abfcac30252e622eb040">apr_thread_rwlock_unlock</a></div><div class="ttdeci">apr_status_t apr_thread_rwlock_unlock(apr_thread_rwlock_t *rwlock)</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__thread__rwlock_html_ga2bbbc137f5c610e31bf87fd0a60c428e"><div class="ttname"><a href="group__apr__thread__rwlock.html#ga2bbbc137f5c610e31bf87fd0a60c428e">apr_thread_rwlock_tryrdlock</a></div><div class="ttdeci">apr_status_t apr_thread_rwlock_tryrdlock(apr_thread_rwlock_t *rwlock)</div></div>
<div class="ttc" id="group__apr__thread__rwlock_html_ga54c04596f8a1f44630bdda5a25578d63"><div class="ttname"><a href="group__apr__thread__rwlock.html#ga54c04596f8a1f44630bdda5a25578d63">apr_thread_rwlock_trywrlock</a></div><div class="ttdeci">apr_status_t apr_thread_rwlock_trywrlock(apr_thread_rwlock_t *rwlock)</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__thread__rwlock_html_ga91543c9f97a6a1265524a5a8f55fef31"><div class="ttname"><a href="group__apr__thread__rwlock.html#ga91543c9f97a6a1265524a5a8f55fef31">apr_thread_rwlock_wrlock</a></div><div class="ttdeci">apr_status_t apr_thread_rwlock_wrlock(apr_thread_rwlock_t *rwlock)</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__thread__rwlock_html_ga136118166f50091fb30011d837a4cdcc"><div class="ttname"><a href="group__apr__thread__rwlock.html#ga136118166f50091fb30011d837a4cdcc">apr_thread_rwlock_destroy</a></div><div class="ttdeci">apr_status_t apr_thread_rwlock_destroy(apr_thread_rwlock_t *rwlock)</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>
<div class="ttc" id="group__apr__thread__rwlock_html_gaede9b908e3d9e6a8aed7bd10d0ae0498"><div class="ttname"><a href="group__apr__thread__rwlock.html#gaede9b908e3d9e6a8aed7bd10d0ae0498">apr_thread_rwlock_t</a></div><div class="ttdeci">struct apr_thread_rwlock_t apr_thread_rwlock_t</div><div class="ttdef"><b>Definition:</b> apr_thread_rwlock.h:42</div></div>
<div class="ttc" id="group__apr__pools_html_ga89ce1d55c7f0c39ea87c88eabd655394"><div class="ttname"><a href="group__apr__pools.html#ga89ce1d55c7f0c39ea87c88eabd655394">APR_POOL_DECLARE_ACCESSOR</a></div><div class="ttdeci">#define APR_POOL_DECLARE_ACCESSOR(type)</div><div class="ttdef"><b>Definition:</b> apr_pools.h:81</div></div>
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