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<h2 class="title" style="clear: both"><a id="txnid"></a>DbTxn::id()</h2>
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<pre class="programlisting">#include <db_cxx.h>
u_int32_t
DbTxn::id();</pre>
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The <code class="methodname">DbTxn::id()</code> method returns the unique transaction id associated
with the specified transaction. Locking calls made on behalf of this
transaction should use the value returned from <code class="methodname">DbTxn::id()</code> as the
locker parameter to the <a class="xref" href="lockget.html" title="DbEnv::lock_get()">DbEnv::lock_get()</a>
or <a class="xref" href="lockvec.html" title="DbEnv::lock_vec()">DbEnv::lock_vec()</a> calls.
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