libdb/docs/api_reference/C/logflush.html
2012-11-14 16:35:20 -05:00

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<p>Library Version 11.2.5.3</p>
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<th colspan="3" align="center">DB_ENV-&gt;log_flush()</th>
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<td width="20%" align="left"><a accesskey="p" href="logfile.html">Prev</a> </td>
<th width="60%" align="center">Chapter 7. 
The DB_LSN Handle
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<div class="sect1" lang="en" xml:lang="en">
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<h2 class="title" style="clear: both"><a id="logflush"></a>DB_ENV-&gt;log_flush()</h2>
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<pre class="programlisting">#include &lt;db.h&gt;
int
DB_ENV-&gt;log_flush(DB_ENV *env, const DB_LSN *lsn); </pre>
<p>
The <code class="methodname">DB_ENV-&gt;log_flush()</code> method writes log records to disk.
</p>
<p>
The <code class="methodname">DB_ENV-&gt;log_flush()</code> <span>
<span>
method returns a non-zero error value on failure and 0 on success.
</span>
</span>
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<div class="sect2" lang="en" xml:lang="en">
<div class="titlepage">
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<div>
<h3 class="title"><a id="idp60823584"></a>Parameters</h3>
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<div class="sect3" lang="en" xml:lang="en">
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<h4 class="title"><a id="idp60838992"></a>lsn</h4>
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<p>
All log records with <a class="link" href="lsn.html" title="Chapter 7.  The DB_LSN Handle">DB_LSN</a>
values less than or equal
to the <span class="bold"><strong>lsn</strong></span> parameter are written to
disk. If <span class="bold"><strong>lsn</strong></span> is NULL, all records in
the log are flushed.
</p>
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<div class="sect2" lang="en" xml:lang="en">
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<h3 class="title"><a id="idp60832840"></a>Errors</h3>
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<p>
The <code class="methodname">DB_ENV-&gt;log_flush()</code> <span>
<span>
method may fail and return one of the following non-zero errors:
</span>
</span>
</p>
<div class="sect3" lang="en" xml:lang="en">
<div class="titlepage">
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<h4 class="title"><a id="idp60853024"></a>EINVAL</h4>
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An invalid flag value or parameter was specified.
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<h3 class="title"><a id="idp60834880"></a>Class</h3>
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<p>
<a class="link" href="env.html" title="Chapter 5.  The DB_ENV Handle">DB_ENV</a>,
<a class="link" href="logc.html" title="The DB_LOGC Handle">DB_LOGC</a>,
<a class="link" href="lsn.html" title="Chapter 7.  The DB_LSN Handle">DB_LSN</a>
</p>
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<h3 class="title"><a id="idp60839056"></a>See Also</h3>
</div>
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<a class="xref" href="lsn.html#loglist" title="Logging Subsystem and Related Methods">Logging Subsystem and Related Methods</a>
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