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<h2 class="title" style="clear: both"><a id="envget_mp_mmapsize"></a>DbEnv::get_mp_mmapsize()</h2>
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<pre class="programlisting">#include <db_cxx.h>
int
DbEnv::get_mp_mmapsize(size_t *mp_mmapsizep);</pre>
<p>
The <code class="methodname">DbEnv::get_mp_mmapsize()</code> method returns the the maximum file
size, in bytes, for a file to be mapped into the process address space. This value can be
managed using the <a class="xref" href="envset_mp_mmapsize.html" title="DbEnv::set_mp_mmapsize()">DbEnv::set_mp_mmapsize()</a>
method.
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The <code class="methodname">DbEnv::get_mp_mmapsize()</code> method may be called at any time during
the life of the application.
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The <code class="methodname">DbEnv::get_mp_mmapsize()</code> <span>
<span>
method either returns a non-zero error value or throws an
exception that encapsulates a non-zero error value on
failure, and returns 0 on success.
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<h4 class="title"><a id="idp3275824"></a>mp_mmapsizep</h4>
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<p>
The <code class="methodname">DbEnv::get_mp_mmapsize()</code> method returns the
maximum file map size in <span class="bold"><strong>mp_mmapsizep</strong></span>.
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<a class="link" href="env.html" title="Chapter 5. The DbEnv Handle">DbEnv</a>,
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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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