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<pre class="programlisting">#include <db.h>
u_int32_t
DB_TXN->id(DB_TXN *tid); </pre>
<p>
The <code class="methodname">DB_TXN->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">DB_TXN->id()</code> as the
locker parameter to the <a class="xref" href="lockget.html" title="DB_ENV->lock_get()">DB_ENV->lock_get()</a>
or <a class="xref" href="lockvec.html" title="DB_ENV->lock_vec()">DB_ENV->lock_vec()</a> calls.
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<a class="link" href="env.html" title="Chapter 5. The DB_ENV Handle">DB_ENV</a>, <a class="link" href="txn.html" title="Chapter 12. The DB_TXN Handle">DB_TXN</a>
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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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