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<title>Berkeley DB Reference Guide: Release 4.5: DB_ENV->set_paniccall</title>
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<td><b><dl><dt>Berkeley DB Reference Guide:<dd>Upgrading Berkeley DB Applications</dl></b></td>
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<p align=center><b>Release 4.5: DB_ENV->set_paniccall</b></p>
<p>In previous Berkeley DB releases, the DB_ENV->set_paniccall and
DB->set_paniccall methods were used to register a callback
function, called if the database environment failed. In the 4.5
release, this functionality has been replaced by a general-purpose event
notification callback function, set with the
<a href="../../api_c/env_event_notify.html">DB_ENV->set_event_notify</a> method. Applications should be updated to
replace DB_ENV->set_paniccall and DB->set_paniccall calls with
a call to <a href="../../api_c/env_event_notify.html">DB_ENV->set_event_notify</a>. This also requires the
callback function itself change, as the callback signatures are
different.</p>
<p>The DB_ENV->set_paniccall and DB->set_paniccall calls are
expected to be removed in a future release of Berkeley DB.</p>
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<p><font size=1>Copyright (c) 1996,2008 Oracle. All rights reserved.</font>
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