libdb/docs/api_reference/CXX/txnget_priority.html
2011-09-13 13:44:24 -04:00

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The DbTxn Handle
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<h2 class="title" style="clear: both"><a id="txnget_priority"></a>DbTxn::get_priority()</h2>
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<pre class="programlisting">#include &lt;db_cxx.h&gt;
int
DbTxn::get_priority(u_int32_t *priority);</pre>
<p>
The <code class="methodname">DbTxn::get_priority()</code> method gets the priority
value of the specified transaction.
</p>
<p>
The <code class="methodname">DbTxn::get_priority()</code> method may be called at any time during the
life of the transaction.
</p>
<p>
The <code class="methodname">DbTxn::get_priority()</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>
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<h3 class="title"><a id="id3674378"></a>Parameters</h3>
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<div class="sect3" lang="en" xml:lang="en">
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<div>
<h4 class="title"><a id="id3674367"></a>priority</h4>
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<p>
Upon return, the <span class="bold"><strong>priority</strong></span>
parameter will point to a value between 0 and 2^32-1.
</p>
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<h3 class="title"><a id="id3674427"></a>Errors</h3>
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<p>
The <code class="methodname">DbTxn::get_priority()</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>
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<h4 class="title"><a id="id3674513"></a>EINVAL</h4>
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An invalid flag value or parameter was specified.
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<h3 class="title"><a id="id3674491"></a>Class</h3>
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<a class="link" href="env.html" title="Chapter 5.  The DbEnv Handle">DbEnv</a>, <a class="link" href="txn.html" title="Chapter 13.  The DbTxn Handle">DbTxn</a>
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<h3 class="title"><a id="id3674535"></a>See Also</h3>
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<a class="xref" href="txn.html#txnlist" title="Transaction Subsystem and Related Methods">Transaction Subsystem and Related Methods</a>
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