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162 lines
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HTML
162 lines
6 KiB
HTML
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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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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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
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<title>DB_ENV->get_memory_max()</title>
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<link rel="stylesheet" href="apiReference.css" type="text/css" />
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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="env.html" title="Chapter 5. The DB_ENV Handle" />
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<link rel="prev" href="envget_memory_init.html" title="DB_ENV->get_memory_init()" />
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<body>
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<div xmlns="" class="navheader">
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<p>Library Version 11.2.5.3</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">DB_ENV->get_memory_max()</th>
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</tr>
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<tr>
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<td width="20%" align="left"><a accesskey="p" href="envget_memory_init.html">Prev</a> </td>
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<th width="60%" align="center">Chapter 5.
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The DB_ENV Handle
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</th>
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<td width="20%" align="right"> <a accesskey="n" href="envget_metadata_dir.html">Next</a></td>
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</tr>
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</table>
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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="envget_memory_max"></a>DB_ENV->get_memory_max()</h2>
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</div>
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</div>
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</div>
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<pre class="programlisting">#include <db.h>
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int
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DB_ENV->get_memory_max(DB_ENV *dbenv, u_int32_t *gbytesp,
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u_int32_t *bytesp); </pre>
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<p>
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The <code class="methodname">DB_ENV->get_memory_max()</code> method returns
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the maximum amount of memory to be used by shared structures other
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than mutexes and the page cache (memory pool). This value is set
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using the
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<a class="xref" href="envset_memory_max.html" title="DB_ENV->set_memory_max()">DB_ENV->set_memory_max()</a>
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method.
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</p>
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<p>
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The <code class="methodname">DB_ENV->get_memory_max()</code> method may be
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called at any time during the life of the application.
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</p>
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<p>
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The <code class="methodname">DB_ENV->get_memory_max()</code> <span>
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<span>
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method returns a non-zero error value on failure and 0 on success.
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</span>
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</span>
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</p>
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<div class="sect2" 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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<h3 class="title"><a id="idp59523464"></a>Parameters</h3>
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</div>
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</div>
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</div>
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<div class="sect3" 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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<h4 class="title"><a id="idp59527648"></a>gbytesp</h4>
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</div>
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</div>
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</div>
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<p>
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The <span class="bold"><strong>gbytesp</strong></span> parameter
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references memory into which is copied the maximum number of
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gigabytes of memory that can be allocated.
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</p>
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</div>
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<div class="sect3" 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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<h4 class="title"><a id="idp59520304"></a>bytesp</h4>
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</div>
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</div>
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</div>
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<p>
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The <span class="bold"><strong>bytesp</strong></span> parameter
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references memory into which is copied the additional
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bytes of memory that can be allocated.
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</p>
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</div>
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<div class="sect3" 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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<h4 class="title"><a id="idp59513224"></a>sizep</h4>
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</div>
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</div>
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</div>
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<p>
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The <span class="bold"><strong>sizep</strong></span> parameter
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references memory into which is copied the maximum number
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of bytes to be allocated.
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</p>
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</div>
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</div>
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<div class="sect2" 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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<h3 class="title"><a id="idp59521384"></a>Class</h3>
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</div>
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</div>
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</div>
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<p>
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<a class="link" href="env.html" title="Chapter 5. The DB_ENV Handle">DB_ENV</a>
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</p>
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</div>
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<div class="sect2" 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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<h3 class="title"><a id="idp59516256"></a>See Also</h3>
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</div>
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</div>
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</div>
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<p>
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<a class="xref" href="env.html#envlist" title="Database Environments and Related Methods">Database Environments and Related Methods</a>
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</p>
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</div>
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</div>
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<div class="navfooter">
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<hr />
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<table width="100%" summary="Navigation footer">
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<tr>
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<td width="40%" align="left"><a accesskey="p" href="envget_memory_init.html">Prev</a> </td>
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<td width="20%" align="center">
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<a accesskey="u" href="env.html">Up</a>
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</td>
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<td width="40%" align="right"> <a accesskey="n" href="envget_metadata_dir.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">DB_ENV->get_memory_init() </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"> DB_ENV->get_metadata_dir()</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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