<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <title>Apache Portable Runtime: Relocatable Memory Management Routines</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="search/search.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="search/search.js"></script> <link href="doxygen.css" rel="stylesheet" type="text/css"/> </head> <body onload='searchBox.OnSelectItem(0);'> <!-- Generated by Doxygen 1.7.3 --> <script type="text/javascript"><!-- var searchBox = new SearchBox("searchBox", "search",false,'Search'); --></script> <div id="top"> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">Apache Portable Runtime</div> </td> </tr> </tbody> </table> </div> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> <li><a href="modules.html"><span>Modules</span></a></li> <li><a href="namespaces.html"><span>Namespaces</span></a></li> <li><a href="annotated.html"><span>Data Structures</span></a></li> <li><a href="files.html"><span>Files</span></a></li> <li id="searchli"> <div id="MSearchBox" class="MSearchBoxInactive"> <span class="left"> <img id="MSearchSelect" src="search/mag_sel.png" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return searchBox.OnSearchSelectHide()" alt=""/> <input type="text" id="MSearchField" value="Search" accesskey="S" onfocus="searchBox.OnSearchFieldFocus(true)" onblur="searchBox.OnSearchFieldFocus(false)" onkeyup="searchBox.OnSearchFieldChange(event)"/> </span><span class="right"> <a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a> </span> </div> </li> </ul> </div> </div> <div class="header"> <div class="summary"> <a href="#typedef-members">Typedefs</a> | <a href="#func-members">Functions</a> </div> <div class="headertitle"> <h1>Relocatable Memory Management Routines</h1> </div> <div class="ingroups"><a class="el" href="group___a_p_r___util.html">APR Utility Functions</a></div></div> <div class="contents"> <table class="memberdecls"> <tr><td colspan="2"><h2><a name="typedef-members"></a> Typedefs</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="group___a_p_r___util___r_m_m.html#gadb4d418c417ece33c4430ba9df59070a">apr_rmm_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___a_p_r___util___r_m_m.html#gadb4d418c417ece33c4430ba9df59070a">apr_rmm_t</a></td></tr> <tr><td class="memItemLeft" align="right" valign="top">typedef apr_size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group___a_p_r___util___r_m_m.html#ga70b508c81a0bc75350efdefb3410af12">apr_rmm_off_t</a></td></tr> <tr><td colspan="2"><h2><a name="func-members"></a> Functions</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__apr__errno.html#gaf76ee4543247e9fb3f3546203e590a6c">apr_status_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___a_p_r___util___r_m_m.html#ga65ebaca1a86f0667156592f40b81b681">apr_rmm_init</a> (<a class="el" href="group___a_p_r___util___r_m_m.html#gadb4d418c417ece33c4430ba9df59070a">apr_rmm_t</a> **rmm, <a class="el" href="structapr__anylock__t.html">apr_anylock_t</a> *lock, void *membuf, apr_size_t memsize, <a class="el" href="group__apr__pools.html#gaf137f28edcf9a086cd6bc36c20d7cdfb">apr_pool_t</a> *cont)</td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__apr__errno.html#gaf76ee4543247e9fb3f3546203e590a6c">apr_status_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___a_p_r___util___r_m_m.html#ga8ccae93038489f2acb7588292df5d80a">apr_rmm_destroy</a> (<a class="el" href="group___a_p_r___util___r_m_m.html#gadb4d418c417ece33c4430ba9df59070a">apr_rmm_t</a> *rmm)</td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__apr__errno.html#gaf76ee4543247e9fb3f3546203e590a6c">apr_status_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___a_p_r___util___r_m_m.html#gadf144b4071c5c4d85cded37ca0e58dff">apr_rmm_attach</a> (<a class="el" href="group___a_p_r___util___r_m_m.html#gadb4d418c417ece33c4430ba9df59070a">apr_rmm_t</a> **rmm, <a class="el" href="structapr__anylock__t.html">apr_anylock_t</a> *lock, void *membuf, <a class="el" href="group__apr__pools.html#gaf137f28edcf9a086cd6bc36c20d7cdfb">apr_pool_t</a> *cont)</td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__apr__errno.html#gaf76ee4543247e9fb3f3546203e590a6c">apr_status_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___a_p_r___util___r_m_m.html#ga2171746dcfa1e0f07717224ad106091e">apr_rmm_detach</a> (<a class="el" href="group___a_p_r___util___r_m_m.html#gadb4d418c417ece33c4430ba9df59070a">apr_rmm_t</a> *rmm)</td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="group___a_p_r___util___r_m_m.html#ga70b508c81a0bc75350efdefb3410af12">apr_rmm_off_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___a_p_r___util___r_m_m.html#ga31e42a7c40bbd3f7f132eaf347a79d32">apr_rmm_malloc</a> (<a class="el" href="group___a_p_r___util___r_m_m.html#gadb4d418c417ece33c4430ba9df59070a">apr_rmm_t</a> *rmm, apr_size_t reqsize)</td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="group___a_p_r___util___r_m_m.html#ga70b508c81a0bc75350efdefb3410af12">apr_rmm_off_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___a_p_r___util___r_m_m.html#ga78561452a8fb3fef18f1203efaa0b92f">apr_rmm_realloc</a> (<a class="el" href="group___a_p_r___util___r_m_m.html#gadb4d418c417ece33c4430ba9df59070a">apr_rmm_t</a> *rmm, void *entity, apr_size_t reqsize)</td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="group___a_p_r___util___r_m_m.html#ga70b508c81a0bc75350efdefb3410af12">apr_rmm_off_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___a_p_r___util___r_m_m.html#ga12ff2a4c23548e2f1616a17734defaf8">apr_rmm_calloc</a> (<a class="el" href="group___a_p_r___util___r_m_m.html#gadb4d418c417ece33c4430ba9df59070a">apr_rmm_t</a> *rmm, apr_size_t reqsize)</td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__apr__errno.html#gaf76ee4543247e9fb3f3546203e590a6c">apr_status_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___a_p_r___util___r_m_m.html#gad22b65c95d0964e37aecd4134294b016">apr_rmm_free</a> (<a class="el" href="group___a_p_r___util___r_m_m.html#gadb4d418c417ece33c4430ba9df59070a">apr_rmm_t</a> *rmm, <a class="el" href="group___a_p_r___util___r_m_m.html#ga70b508c81a0bc75350efdefb3410af12">apr_rmm_off_t</a> entity)</td></tr> <tr><td class="memItemLeft" align="right" valign="top">void * </td><td class="memItemRight" valign="bottom"><a class="el" href="group___a_p_r___util___r_m_m.html#ga6bf67e9f2d08f9f36d2c420648d8d3a0">apr_rmm_addr_get</a> (<a class="el" href="group___a_p_r___util___r_m_m.html#gadb4d418c417ece33c4430ba9df59070a">apr_rmm_t</a> *rmm, <a class="el" href="group___a_p_r___util___r_m_m.html#ga70b508c81a0bc75350efdefb3410af12">apr_rmm_off_t</a> entity)</td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="group___a_p_r___util___r_m_m.html#ga70b508c81a0bc75350efdefb3410af12">apr_rmm_off_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___a_p_r___util___r_m_m.html#ga3ed2e880ebc695aa8dd241e21b5a666e">apr_rmm_offset_get</a> (<a class="el" href="group___a_p_r___util___r_m_m.html#gadb4d418c417ece33c4430ba9df59070a">apr_rmm_t</a> *rmm, void *entity)</td></tr> <tr><td class="memItemLeft" align="right" valign="top">apr_size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group___a_p_r___util___r_m_m.html#gae638ec990cb1600f6f70a8b3a1e07ff8">apr_rmm_overhead_get</a> (int n)</td></tr> </table> <hr/><h2>Typedef Documentation</h2> <a class="anchor" id="ga70b508c81a0bc75350efdefb3410af12"></a><!-- doxytag: member="apr_rmm.h::apr_rmm_off_t" ref="ga70b508c81a0bc75350efdefb3410af12" args="" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">typedef apr_size_t <a class="el" href="group___a_p_r___util___r_m_m.html#ga70b508c81a0bc75350efdefb3410af12">apr_rmm_off_t</a></td> </tr> </table> </div> <div class="memdoc"> <p>Fundamental allocation unit, within a specific apr_rmm_t </p> </div> </div> <a class="anchor" id="gadb4d418c417ece33c4430ba9df59070a"></a><!-- doxytag: member="apr_rmm.h::apr_rmm_t" ref="gadb4d418c417ece33c4430ba9df59070a" args="" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">typedef struct <a class="el" href="group___a_p_r___util___r_m_m.html#gadb4d418c417ece33c4430ba9df59070a">apr_rmm_t</a> <a class="el" href="group___a_p_r___util___r_m_m.html#gadb4d418c417ece33c4430ba9df59070a">apr_rmm_t</a></td> </tr> </table> </div> <div class="memdoc"> <p>Structure to access Relocatable, Managed Memory </p> </div> </div> <hr/><h2>Function Documentation</h2> <a class="anchor" id="ga6bf67e9f2d08f9f36d2c420648d8d3a0"></a><!-- doxytag: member="apr_rmm.h::apr_rmm_addr_get" ref="ga6bf67e9f2d08f9f36d2c420648d8d3a0" args="(apr_rmm_t *rmm, apr_rmm_off_t entity)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void* apr_rmm_addr_get </td> <td>(</td> <td class="paramtype"><a class="el" href="group___a_p_r___util___r_m_m.html#gadb4d418c417ece33c4430ba9df59070a">apr_rmm_t</a> * </td> <td class="paramname"><em>rmm</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group___a_p_r___util___r_m_m.html#ga70b508c81a0bc75350efdefb3410af12">apr_rmm_off_t</a> </td> <td class="paramname"><em>entity</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div> <div class="memdoc"> <p>Retrieve the physical address of a relocatable allocation of memory </p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">rmm</td><td>The relocatable memory block </td></tr> <tr><td class="paramname">entity</td><td>The memory allocation to free </td></tr> </table> </dd> </dl> <dl class="return"><dt><b>Returns:</b></dt><dd>address The address, aligned with APR_ALIGN_DEFAULT. </dd></dl> </div> </div> <a class="anchor" id="gadf144b4071c5c4d85cded37ca0e58dff"></a><!-- doxytag: member="apr_rmm.h::apr_rmm_attach" ref="gadf144b4071c5c4d85cded37ca0e58dff" args="(apr_rmm_t **rmm, apr_anylock_t *lock, void *membuf, apr_pool_t *cont)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="group__apr__errno.html#gaf76ee4543247e9fb3f3546203e590a6c">apr_status_t</a> apr_rmm_attach </td> <td>(</td> <td class="paramtype"><a class="el" href="group___a_p_r___util___r_m_m.html#gadb4d418c417ece33c4430ba9df59070a">apr_rmm_t</a> ** </td> <td class="paramname"><em>rmm</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="structapr__anylock__t.html">apr_anylock_t</a> * </td> <td class="paramname"><em>lock</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">void * </td> <td class="paramname"><em>membuf</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__apr__pools.html#gaf137f28edcf9a086cd6bc36c20d7cdfb">apr_pool_t</a> * </td> <td class="paramname"><em>cont</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div> <div class="memdoc"> <p>Attach to a relocatable memory block already managed by the apr_rmm API. </p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">rmm</td><td>The relocatable memory block </td></tr> <tr><td class="paramname">lock</td><td>An <a class="el" href="structapr__anylock__t.html">apr_anylock_t</a> of the appropriate type of lock </td></tr> <tr><td class="paramname">membuf</td><td>The block of relocatable memory already under management </td></tr> <tr><td class="paramname">cont</td><td>The pool to use for local storage and management </td></tr> </table> </dd> </dl> </div> </div> <a class="anchor" id="ga12ff2a4c23548e2f1616a17734defaf8"></a><!-- doxytag: member="apr_rmm.h::apr_rmm_calloc" ref="ga12ff2a4c23548e2f1616a17734defaf8" args="(apr_rmm_t *rmm, apr_size_t reqsize)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="group___a_p_r___util___r_m_m.html#ga70b508c81a0bc75350efdefb3410af12">apr_rmm_off_t</a> apr_rmm_calloc </td> <td>(</td> <td class="paramtype"><a class="el" href="group___a_p_r___util___r_m_m.html#gadb4d418c417ece33c4430ba9df59070a">apr_rmm_t</a> * </td> <td class="paramname"><em>rmm</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">apr_size_t </td> <td class="paramname"><em>reqsize</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div> <div class="memdoc"> <p>Allocate memory from the block of relocatable memory and initialize it to zero. </p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">rmm</td><td>The relocatable memory block </td></tr> <tr><td class="paramname">reqsize</td><td>How much memory to allocate </td></tr> </table> </dd> </dl> </div> </div> <a class="anchor" id="ga8ccae93038489f2acb7588292df5d80a"></a><!-- doxytag: member="apr_rmm.h::apr_rmm_destroy" ref="ga8ccae93038489f2acb7588292df5d80a" args="(apr_rmm_t *rmm)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="group__apr__errno.html#gaf76ee4543247e9fb3f3546203e590a6c">apr_status_t</a> apr_rmm_destroy </td> <td>(</td> <td class="paramtype"><a class="el" href="group___a_p_r___util___r_m_m.html#gadb4d418c417ece33c4430ba9df59070a">apr_rmm_t</a> * </td> <td class="paramname"><em>rmm</em></td><td>)</td> <td></td> </tr> </table> </div> <div class="memdoc"> <p>Destroy a managed memory block. </p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">rmm</td><td>The relocatable memory block to destroy </td></tr> </table> </dd> </dl> </div> </div> <a class="anchor" id="ga2171746dcfa1e0f07717224ad106091e"></a><!-- doxytag: member="apr_rmm.h::apr_rmm_detach" ref="ga2171746dcfa1e0f07717224ad106091e" args="(apr_rmm_t *rmm)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="group__apr__errno.html#gaf76ee4543247e9fb3f3546203e590a6c">apr_status_t</a> apr_rmm_detach </td> <td>(</td> <td class="paramtype"><a class="el" href="group___a_p_r___util___r_m_m.html#gadb4d418c417ece33c4430ba9df59070a">apr_rmm_t</a> * </td> <td class="paramname"><em>rmm</em></td><td>)</td> <td></td> </tr> </table> </div> <div class="memdoc"> <p>Detach from the managed block of memory. </p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">rmm</td><td>The relocatable memory block to detach from </td></tr> </table> </dd> </dl> </div> </div> <a class="anchor" id="gad22b65c95d0964e37aecd4134294b016"></a><!-- doxytag: member="apr_rmm.h::apr_rmm_free" ref="gad22b65c95d0964e37aecd4134294b016" args="(apr_rmm_t *rmm, apr_rmm_off_t entity)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="group__apr__errno.html#gaf76ee4543247e9fb3f3546203e590a6c">apr_status_t</a> apr_rmm_free </td> <td>(</td> <td class="paramtype"><a class="el" href="group___a_p_r___util___r_m_m.html#gadb4d418c417ece33c4430ba9df59070a">apr_rmm_t</a> * </td> <td class="paramname"><em>rmm</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group___a_p_r___util___r_m_m.html#ga70b508c81a0bc75350efdefb3410af12">apr_rmm_off_t</a> </td> <td class="paramname"><em>entity</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div> <div class="memdoc"> <p>Free allocation returned by apr_rmm_malloc or apr_rmm_calloc. </p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">rmm</td><td>The relocatable memory block </td></tr> <tr><td class="paramname">entity</td><td>The memory allocation to free </td></tr> </table> </dd> </dl> </div> </div> <a class="anchor" id="ga65ebaca1a86f0667156592f40b81b681"></a><!-- doxytag: member="apr_rmm.h::apr_rmm_init" ref="ga65ebaca1a86f0667156592f40b81b681" args="(apr_rmm_t **rmm, apr_anylock_t *lock, void *membuf, apr_size_t memsize, apr_pool_t *cont)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="group__apr__errno.html#gaf76ee4543247e9fb3f3546203e590a6c">apr_status_t</a> apr_rmm_init </td> <td>(</td> <td class="paramtype"><a class="el" href="group___a_p_r___util___r_m_m.html#gadb4d418c417ece33c4430ba9df59070a">apr_rmm_t</a> ** </td> <td class="paramname"><em>rmm</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="structapr__anylock__t.html">apr_anylock_t</a> * </td> <td class="paramname"><em>lock</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">void * </td> <td class="paramname"><em>membuf</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">apr_size_t </td> <td class="paramname"><em>memsize</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__apr__pools.html#gaf137f28edcf9a086cd6bc36c20d7cdfb">apr_pool_t</a> * </td> <td class="paramname"><em>cont</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div> <div class="memdoc"> <p>Initialize a relocatable memory block to be managed by the apr_rmm API. </p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">rmm</td><td>The relocatable memory block </td></tr> <tr><td class="paramname">lock</td><td>An <a class="el" href="structapr__anylock__t.html">apr_anylock_t</a> of the appropriate type of lock, or NULL if no locking is required. </td></tr> <tr><td class="paramname">membuf</td><td>The block of relocatable memory to be managed </td></tr> <tr><td class="paramname">memsize</td><td>The size of relocatable memory block to be managed </td></tr> <tr><td class="paramname">cont</td><td>The pool to use for local storage and management </td></tr> </table> </dd> </dl> <dl class="remark"><dt><b>Remarks:</b></dt><dd>Both </dd></dl> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">membuf</td><td>and </td></tr> <tr><td class="paramname">memsize</td><td>must be aligned (for instance using APR_ALIGN_DEFAULT). </td></tr> </table> </dd> </dl> </div> </div> <a class="anchor" id="ga31e42a7c40bbd3f7f132eaf347a79d32"></a><!-- doxytag: member="apr_rmm.h::apr_rmm_malloc" ref="ga31e42a7c40bbd3f7f132eaf347a79d32" args="(apr_rmm_t *rmm, apr_size_t reqsize)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="group___a_p_r___util___r_m_m.html#ga70b508c81a0bc75350efdefb3410af12">apr_rmm_off_t</a> apr_rmm_malloc </td> <td>(</td> <td class="paramtype"><a class="el" href="group___a_p_r___util___r_m_m.html#gadb4d418c417ece33c4430ba9df59070a">apr_rmm_t</a> * </td> <td class="paramname"><em>rmm</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">apr_size_t </td> <td class="paramname"><em>reqsize</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div> <div class="memdoc"> <p>Allocate memory from the block of relocatable memory. </p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">rmm</td><td>The relocatable memory block </td></tr> <tr><td class="paramname">reqsize</td><td>How much memory to allocate </td></tr> </table> </dd> </dl> </div> </div> <a class="anchor" id="ga3ed2e880ebc695aa8dd241e21b5a666e"></a><!-- doxytag: member="apr_rmm.h::apr_rmm_offset_get" ref="ga3ed2e880ebc695aa8dd241e21b5a666e" args="(apr_rmm_t *rmm, void *entity)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="group___a_p_r___util___r_m_m.html#ga70b508c81a0bc75350efdefb3410af12">apr_rmm_off_t</a> apr_rmm_offset_get </td> <td>(</td> <td class="paramtype"><a class="el" href="group___a_p_r___util___r_m_m.html#gadb4d418c417ece33c4430ba9df59070a">apr_rmm_t</a> * </td> <td class="paramname"><em>rmm</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">void * </td> <td class="paramname"><em>entity</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div> <div class="memdoc"> <p>Compute the offset of a relocatable allocation of memory </p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">rmm</td><td>The relocatable memory block </td></tr> <tr><td class="paramname">entity</td><td>The physical address to convert to an offset </td></tr> </table> </dd> </dl> </div> </div> <a class="anchor" id="gae638ec990cb1600f6f70a8b3a1e07ff8"></a><!-- doxytag: member="apr_rmm.h::apr_rmm_overhead_get" ref="gae638ec990cb1600f6f70a8b3a1e07ff8" args="(int n)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">apr_size_t apr_rmm_overhead_get </td> <td>(</td> <td class="paramtype">int </td> <td class="paramname"><em>n</em></td><td>)</td> <td></td> </tr> </table> </div> <div class="memdoc"> <p>Compute the required overallocation of memory needed to fit n allocs </p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">n</td><td>The number of alloc/calloc regions desired </td></tr> </table> </dd> </dl> </div> </div> <a class="anchor" id="ga78561452a8fb3fef18f1203efaa0b92f"></a><!-- doxytag: member="apr_rmm.h::apr_rmm_realloc" ref="ga78561452a8fb3fef18f1203efaa0b92f" args="(apr_rmm_t *rmm, void *entity, apr_size_t reqsize)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="group___a_p_r___util___r_m_m.html#ga70b508c81a0bc75350efdefb3410af12">apr_rmm_off_t</a> apr_rmm_realloc </td> <td>(</td> <td class="paramtype"><a class="el" href="group___a_p_r___util___r_m_m.html#gadb4d418c417ece33c4430ba9df59070a">apr_rmm_t</a> * </td> <td class="paramname"><em>rmm</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">void * </td> <td class="paramname"><em>entity</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">apr_size_t </td> <td class="paramname"><em>reqsize</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div> <div class="memdoc"> <p>Realloc memory from the block of relocatable memory. </p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">rmm</td><td>The relocatable memory block </td></tr> <tr><td class="paramname">entity</td><td>The memory allocation to realloc </td></tr> <tr><td class="paramname">reqsize</td><td>The new size 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