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<div class="title">apr_bucket_pool Struct Reference<div class="ingroups"><a class="el" href="group___a_p_r___util.html">APR Utility Functions</a> » <a class="el" href="group___a_p_r___util___bucket___brigades.html">Bucket Brigades</a></div></div> </div>
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<p><code>#include <<a class="el" href="apr__buckets_8h_source.html">apr_buckets.h</a>></code></p>
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Collaboration diagram for apr_bucket_pool:</div>
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Data Fields</h2></td></tr>
<tr class="memitem:a0fe0b0dedea28fb1ed0a1a0f42338225"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structapr__bucket__heap.html">apr_bucket_heap</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structapr__bucket__pool.html#a0fe0b0dedea28fb1ed0a1a0f42338225">heap</a></td></tr>
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<tr class="memitem:a9ee5297361ba548a20c3aa626a37c068"><td class="memItemLeft" align="right" valign="top">const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="structapr__bucket__pool.html#a9ee5297361ba548a20c3aa626a37c068">base</a></td></tr>
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<tr class="memitem:af55591a1e7f3b097e7c271683bc80968"><td class="memItemLeft" align="right" valign="top">apr_pool_t * </td><td class="memItemRight" valign="bottom"><a class="el" href="structapr__bucket__pool.html#af55591a1e7f3b097e7c271683bc80968">pool</a></td></tr>
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<tr class="memitem:a651aa0c18658342daf72ff86680bfaca"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group___a_p_r___util___bucket___brigades.html#ga9a30babfeb6e290db124d8f9b69e49e4">apr_bucket_alloc_t</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="structapr__bucket__pool.html#a651aa0c18658342daf72ff86680bfaca">list</a></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>A bucket referring to data allocated from a pool </p>
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<td class="memname">const char* apr_bucket_pool::base</td>
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<p>The block of data actually allocated from the pool. Segments of this block are referenced by adjusting the start and length of the <a class="el" href="structapr__bucket.html">apr_bucket</a> accordingly. This will be NULL after the pool gets cleaned up. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a0fe0b0dedea28fb1ed0a1a0f42338225">◆ </a></span>heap</h2>
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<td class="memname"><a class="el" href="structapr__bucket__heap.html">apr_bucket_heap</a> apr_bucket_pool::heap</td>
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<p>The pool bucket must be able to be easily morphed to a heap bucket if the pool gets cleaned up before all references are destroyed. This <a class="el" href="structapr__bucket__heap.html">apr_bucket_heap</a> structure is populated automatically when the pool gets cleaned up, and subsequent calls to pool_read() will result in the <a class="el" href="structapr__bucket.html">apr_bucket</a> in question being morphed into a regular heap bucket. (To avoid having to do many extra refcount manipulations and b->data manipulations, the <a class="el" href="structapr__bucket__pool.html">apr_bucket_pool</a> struct actually <em>contains</em> the <a class="el" href="structapr__bucket__heap.html">apr_bucket_heap</a> struct that it will become as its first element; the two share their <a class="el" href="structapr__bucket__refcount.html">apr_bucket_refcount</a> members.) </p>
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<td class="memname"><a class="el" href="group___a_p_r___util___bucket___brigades.html#ga9a30babfeb6e290db124d8f9b69e49e4">apr_bucket_alloc_t</a>* apr_bucket_pool::list</td>
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<p>The freelist this structure was allocated from, which is needed in the cleanup phase in order to allocate space on the heap </p>
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<td class="memname">apr_pool_t* apr_bucket_pool::pool</td>
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<p>The pool the data was allocated from. When the pool is cleaned up, this gets set to NULL as an indicator to pool_read() that the data is now on the heap and so it should morph the bucket into a regular heap bucket before continuing. </p>
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<hr/>The documentation for this struct was generated from the following file:<ul>
<li><a class="el" href="apr__buckets_8h_source.html">apr_buckets.h</a></li>
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