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6<title>Berkeley DB: DB_MPOOLFILE-&gt;sync</title>
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13<b>DB_MPOOLFILE-&gt;sync</b>
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21<b><pre>
22#include &lt;db.h&gt;
23<p>
24int
25DB_MPOOLFILE-&gt;sync(DB_MPOOLFILE *mpf);
26</pre></b>
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28<b>Description: DB_MPOOLFILE-&gt;sync</b>
29<p>The DB_MPOOLFILE-&gt;sync method writes all modified pages associated with the
30<a href="/api_c/mempfile_class.html">DB_MPOOLFILE</a> back to the source file.  If any of the modified
31pages are <i>pinned</i> (that is, currently in use),
32DB_MPOOLFILE-&gt;sync will ignore them.</p>
33<p>The DB_MPOOLFILE-&gt;sync method
34returns a non-zero error value on failure
35and 0 on success.
36</p>
37<hr size=1 noshade>
38<br><b>Class</b>
39<a href="/api_c/env_class.html">DB_ENV</a>, <a href="/api_c/mempfile_class.html">DB_MPOOLFILE</a>
40<br><b>See Also</b>
41<a href="/api_c/memp_list.html">Memory Pools and Related Methods</a>
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