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<h2 class="title" style="clear: both"><a id="envset_lk_priority"></a>DbEnv::set_lk_priority()</h2>
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<pre class="programlisting">#include <db_cxx.h>
int
DbEnv::set_lk_priority(u_int32_t u_int32_t lockerid, u_int32_t priority); </pre>
<p>
Set the priority of the given locker. This value is used when
resolving deadlocks, the deadlock resolution algorithm will reject
a lock request from a locker with a lower priority before a request
from a locker with a higher priority.
</p>
<p>
By default, all lockers are created with a priority of 100.
</p>
<p>
The <code class="methodname">DbEnv::set_lk_priority()</code> method may be
called at any time during the life of the application.
</p>
<p>
The <code class="methodname">DbEnv::set_lk_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.
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<h4 class="title"><a id="idp8006208"></a>lockerid</h4>
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<p>
The <span class="bold"><strong>lockerid</strong></span> parameter
represents a locker returned by
<code class="methodname">DbEnv::lock_id()</code>.
</p>
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<div class="sect3" lang="en" xml:lang="en">
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<h4 class="title"><a id="idp8002400"></a>priority</h4>
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<p>
The <span class="bold"><strong>priority</strong></span> parameter
must be a value between 0 and 2^32-1.
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The <code class="methodname">DbEnv::set_lk_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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An invalid flag value or parameter was specified.
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<a class="link" href="env.html" title="Chapter 5. The DbEnv Handle">DbEnv</a>,
<a class="link" href="lock.html" title="Chapter 7. The DbLock Handle">DbLock</a>
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