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Yasuhiro KIMURA
82 lines
3.7 KiB
HTML
82 lines
3.7 KiB
HTML
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
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<title>set_shm_key</title>
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<meta name="generator" content="DocBook XSL Stylesheets V1.73.2" />
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<link rel="start" href="index.html" title="Berkeley DB C API Reference" />
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<link rel="up" href="configuration_reference.html" title="Appendix D. DB_CONFIG Parameter Reference" />
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<link rel="prev" href="set_region_dir_parameter.html" title="set_region_dir" />
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<body>
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<div xmlns="" class="navheader">
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<div class="libver">
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<p>Library Version 18.1.40</p>
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</div>
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<table width="100%" summary="Navigation header">
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<tr>
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<th colspan="3" align="center">set_shm_key</th>
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</tr>
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<tr>
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<td width="20%" align="left"><a accesskey="p" href="set_region_dir_parameter.html">Prev</a> </td>
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<th width="60%" align="center">Appendix D. DB_CONFIG Parameter Reference</th>
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<td width="20%" align="right"> <a accesskey="n" href="set_thread_count_parameter.html">Next</a></td>
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</tr>
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<hr />
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</div>
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<div class="sect1" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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<h2 class="title" style="clear: both"><a id="set_shm_key_parameter"></a>set_shm_key</h2>
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</div>
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</div>
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</div>
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<p>
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Configures the database environment's base segment ID.
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This base segment ID will be used when Berkeley DB shared
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memory regions are first created. It will be incremented a
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small integer value each time a new shared memory region is
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created; that is, if the base ID is 35, the first shared
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memory region created will have a segment ID of 35, and the
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next one will have a segment ID between 36 and 40 or so.
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</p>
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<p>
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See <a href="../../programmer_reference/env_region.html" class="olink">Shared Memory Regions</a> for more information.
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</p>
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<p>
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The syntax of the entry in the <a href="../../programmer_reference/env_db_config.html#env_db_config.DB_CONFIG" class="olink">DB_CONFIG</a> file is a single
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line with the string <code class="literal">set_shm_key</code> one or
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more whitespace characters, and the ID.
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</p>
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<p>For more information, see <a class="xref" href="envset_shm_key.html" title="DB_ENV->set_shm_key()">
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<span>DB_ENV->set_shm_key()</span>
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</a>. </p>
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</div>
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<hr />
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<table width="100%" summary="Navigation footer">
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<td width="40%" align="left"><a accesskey="p" href="set_region_dir_parameter.html">Prev</a> </td>
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<td width="20%" align="center">
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<a accesskey="u" href="configuration_reference.html">Up</a>
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</td>
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<td width="40%" align="right"> <a accesskey="n" href="set_thread_count_parameter.html">Next</a></td>
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</tr>
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<tr>
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<td width="40%" align="left" valign="top">set_region_dir </td>
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<td width="20%" align="center">
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<a accesskey="h" href="index.html">Home</a>
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</td>
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<td width="40%" align="right" valign="top"> set_thread_count</td>
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</tr>
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</table>
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</div>
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</body>
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</html>
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