libdb/docs/api_reference/CXX/logcursor.html
2011-12-19 19:07:10 -05:00

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<p>Library Version 11.2.5.2</p>
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<th colspan="3" align="center">DbEnv::log_cursor()</th>
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<h2 class="title" style="clear: both"><a id="logcursor"></a>DbEnv::log_cursor()</h2>
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<pre class="programlisting">#include &lt;db_cxx.h&gt;
int
DbEnv::log_cursor(DbLogc **cursorp, u_int32_t flags);</pre>
<p>
The <code class="methodname">DbEnv::log_cursor()</code> method returns a created log cursor.
</p>
<p>
The <code class="methodname">DbEnv::log_cursor()</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.
</span>
</span>
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<div class="sect2" lang="en" xml:lang="en">
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<h3 class="title"><a id="id3618187"></a>Parameters</h3>
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<div class="sect3" lang="en" xml:lang="en">
<div class="titlepage">
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<div>
<h4 class="title"><a id="id3618547"></a>cursorp</h4>
</div>
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<p>
The <span class="bold"><strong>cursorp</strong></span> parameter references
memory into which a pointer to the created log cursor is copied.
</p>
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<div class="sect3" lang="en" xml:lang="en">
<div class="titlepage">
<div>
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<h4 class="title"><a id="id3618700"></a>flags</h4>
</div>
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<p>
The <span class="bold"><strong>flags</strong></span> parameter is currently
unused, and must be set to 0.
</p>
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<div class="sect2" lang="en" xml:lang="en">
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<h3 class="title"><a id="id3618241"></a>Errors</h3>
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<p>
The <code class="methodname">DbEnv::log_cursor()</code> <span>
<span>
method may fail and throw a <a class="link" href="dbexception.html" title="Chapter 6. The DbException Class">DbException</a>
exception, encapsulating one of the following non-zero errors, or return one
of the following non-zero errors:
</span>
</span>
</p>
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<h4 class="title"><a id="id3618778"></a>EINVAL</h4>
</div>
</div>
</div>
<p>
An invalid flag value or parameter was specified.
</p>
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<h3 class="title"><a id="id3618748"></a>Class</h3>
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<p>
<a class="link" href="env.html" title="Chapter 5.  The DbEnv Handle">DbEnv</a>,
<a class="link" href="logc.html" title="The DbLogc Handle">DbLogc</a>,
<a class="link" href="lsn.html" title="Chapter 8.  The DbLsn Handle">DbLsn</a>
</p>
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<h3 class="title"><a id="id3618636"></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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