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<h1>Shared Memory Routines</h1><table border=0 cellpadding=0 cellspacing=0>
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<tr><td colspan=2><br><h2>Typedefs</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>typedef <a class="el" href="group__apr__shm.html#ga0">apr_shm_t</a> </td><td class="memItemRight" valign=bottom><a class="el" href="group__apr__shm.html#ga0">apr_shm_t</a></td></tr>
<tr><td colspan=2><br><h2>Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="group__apr__errno.html#ga0">apr_status_t</a> </td><td class="memItemRight" valign=bottom><a class="el" href="group__apr__shm.html#ga1">apr_shm_create</a> (<a class="el" href="group__apr__shm.html#ga0">apr_shm_t</a> **m, apr_size_t reqsize, const char *filename, <a class="el" href="group__apr__pools.html#ga0">apr_pool_t</a> *pool)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="group__apr__errno.html#ga0">apr_status_t</a> </td><td class="memItemRight" valign=bottom><a class="el" href="group__apr__shm.html#ga2">apr_shm_remove</a> (const char *filename, <a class="el" href="group__apr__pools.html#ga0">apr_pool_t</a> *pool)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="group__apr__errno.html#ga0">apr_status_t</a> </td><td class="memItemRight" valign=bottom><a class="el" href="group__apr__shm.html#ga3">apr_shm_destroy</a> (<a class="el" href="group__apr__shm.html#ga0">apr_shm_t</a> *m)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="group__apr__errno.html#ga0">apr_status_t</a> </td><td class="memItemRight" valign=bottom><a class="el" href="group__apr__shm.html#ga4">apr_shm_attach</a> (<a class="el" href="group__apr__shm.html#ga0">apr_shm_t</a> **m, const char *filename, <a class="el" href="group__apr__pools.html#ga0">apr_pool_t</a> *pool)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="group__apr__errno.html#ga0">apr_status_t</a> </td><td class="memItemRight" valign=bottom><a class="el" href="group__apr__shm.html#ga5">apr_shm_detach</a> (<a class="el" href="group__apr__shm.html#ga0">apr_shm_t</a> *m)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void * </td><td class="memItemRight" valign=bottom><a class="el" href="group__apr__shm.html#ga6">apr_shm_baseaddr_get</a> (const <a class="el" href="group__apr__shm.html#ga0">apr_shm_t</a> *m)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>apr_size_t </td><td class="memItemRight" valign=bottom><a class="el" href="group__apr__shm.html#ga7">apr_shm_size_get</a> (const <a class="el" href="group__apr__shm.html#ga0">apr_shm_t</a> *m)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="group__apr__pools.html#ga0">apr_pool_t</a> * </td><td class="memItemRight" valign=bottom><a class="el" href="group__apr__shm.html#ga8">apr_shm_pool_get</a> (const <a class="el" href="group__apr__shm.html#ga0">apr_shm_t</a> *theshm)</td></tr>
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<hr><h2>Typedef Documentation</h2>
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<td class="md" nowrap valign="top"> typedef struct <a class="el" href="group__apr__shm.html#ga0">apr_shm_t</a> <a class="el" href="group__apr__shm.html#ga0">apr_shm_t</a> </td>
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Private, platform-specific data struture representing a shared memory segment. </td>
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<hr><h2>Function Documentation</h2>
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<td class="md" nowrap valign="top"> <a class="el" href="group__apr__errno.html#ga0">apr_status_t</a> apr_shm_attach </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="group__apr__shm.html#ga0">apr_shm_t</a> ** </td>
<td class="mdname" nowrap> <em>m</em>, </td>
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<td class="md" nowrap>const char * </td>
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<td class="md" nowrap><a class="el" href="group__apr__pools.html#ga0">apr_pool_t</a> * </td>
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Attach to a shared memory segment that was created by another process. <dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>m</em> </td><td>The shared memory structure to create. </td></tr>
<tr><td></td><td valign=top><em>filename</em> </td><td>The file used to create the original segment. (This MUST match the original filename.) </td></tr>
<tr><td></td><td valign=top><em>pool</em> </td><td>the pool from which to allocate the shared memory structure for this process. </td></tr>
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<a class="anchor" name="ga6" doxytag="apr_shm.h::apr_shm_baseaddr_get" ></a><p>
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<td class="md" nowrap valign="top"> void* apr_shm_baseaddr_get </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">const <a class="el" href="group__apr__shm.html#ga0">apr_shm_t</a> * </td>
<td class="mdname1" valign="top" nowrap> <em>m</em> </td>
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Retrieve the base address of the shared memory segment. NOTE: This address is only usable within the callers address space, since this API does not guarantee that other attaching processes will maintain the same address mapping. <dl compact><dt><b>Parameters:</b></dt><dd>
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<tr><td></td><td valign=top><em>m</em> </td><td>The shared memory segment from which to retrieve the base address. </td></tr>
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<dl compact><dt><b>Returns:</b></dt><dd>address, aligned by APR_ALIGN_DEFAULT. </dd></dl>
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<a class="anchor" name="ga1" doxytag="apr_shm.h::apr_shm_create" ></a><p>
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<td class="md" nowrap valign="top"> <a class="el" href="group__apr__errno.html#ga0">apr_status_t</a> apr_shm_create </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="group__apr__shm.html#ga0">apr_shm_t</a> ** </td>
<td class="mdname" nowrap> <em>m</em>, </td>
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<td class="md" nowrap>apr_size_t </td>
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<td class="md" nowrap>const char * </td>
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<td class="md" nowrap><a class="el" href="group__apr__pools.html#ga0">apr_pool_t</a> * </td>
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<td class="md">) </td>
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Create and make accessable a shared memory segment. <dl compact><dt><b>Parameters:</b></dt><dd>
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<tr><td></td><td valign=top><em>m</em> </td><td>The shared memory structure to create. </td></tr>
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