2011-09-13 17:44:24 +00:00
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<title>DB_ENV->get_mp_mmapsize()</title>
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2012-11-14 21:35:20 +00:00
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<p>Library Version 11.2.5.3</p>
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2011-09-13 17:44:24 +00:00
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<th colspan="3" align="center">DB_ENV->get_mp_mmapsize()</th>
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<td width="20%" align="left"><a accesskey="p" href="mempget_mp_max_write.html">Prev</a> </td>
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<th width="60%" align="center">Chapter 8.
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The DB_MPOOLFILE Handle
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</th>
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<td width="20%" align="right"> <a accesskey="n" href="envget_mp_mtxcount.html">Next</a></td>
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<h2 class="title" style="clear: both"><a id="envget_mp_mmapsize"></a>DB_ENV->get_mp_mmapsize()</h2>
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<pre class="programlisting">#include <db.h>
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int
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DB_ENV->get_mp_mmapsize(DB_ENV *dbenv, size_t *mp_mmapsizep); </pre>
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<p>
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The <code class="methodname">DB_ENV->get_mp_mmapsize()</code> method returns the the maximum file
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size, in bytes, for a file to be mapped into the process address space. This value can be
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managed using the <a class="xref" href="envset_mp_mmapsize.html" title="DB_ENV->set_mp_mmapsize()">DB_ENV->set_mp_mmapsize()</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_mp_mmapsize()</code> method may be called at any time during
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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_mp_mmapsize()</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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</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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2012-11-14 21:35:20 +00:00
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<h3 class="title"><a id="idp61148064"></a>Parameters</h3>
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2011-09-13 17:44:24 +00:00
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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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2012-11-14 21:35:20 +00:00
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<h4 class="title"><a id="idp61147160"></a>mp_mmapsizep</h4>
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2011-09-13 17:44:24 +00:00
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</div>
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</div>
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<p>
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The <code class="methodname">DB_ENV->get_mp_mmapsize()</code> method returns the
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maximum file map size in <span class="bold"><strong>mp_mmapsizep</strong></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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2012-11-14 21:35:20 +00:00
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<h3 class="title"><a id="idp61139272"></a>Class</h3>
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2011-09-13 17:44:24 +00:00
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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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<a class="link" href="memp.html" title="Chapter 8. The DB_MPOOLFILE Handle">DB_MPOOLFILE</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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2012-11-14 21:35:20 +00:00
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<h3 class="title"><a id="idp61147480"></a>See Also</h3>
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2011-09-13 17:44:24 +00:00
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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="memp.html#memplist" title="Memory Pools and Related Methods">Memory Pools and Related Methods</a>,
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<a class="xref" href="envset_mp_mmapsize.html" title="DB_ENV->set_mp_mmapsize()">DB_ENV->set_mp_mmapsize()</a>
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</p>
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<td width="40%" align="right"> <a accesskey="n" href="envget_mp_mtxcount.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_mp_max_write() </td>
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<td width="20%" align="center">
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<td width="40%" align="right" valign="top"> DB_ENV->get_mp_mtxcount()</td>
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