paniccall.so

berkeley db 4.6.21的源码。berkeley db是一个简单的数据库管理系统

m4_comment([$Id: paniccall.so,v 1.4 2006/09/15 19:35:29 bostic Exp $])

m4_ref_title(Upgrading m4_db Applications,
    Release 4.5: DB_ENV-__GT__set_paniccall,,
    upgrade.4.5/memp, upgrade.4.5/pagesize)

m4_p([dnl
In previous m4_db releases, the DB_ENV-__GT__set_paniccall and
DB-__GT__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release, this functionality has been replaced by a general-purpose event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
m4_refT(dbenv_set_event_notify).  Applications should be updated to
replace DB_ENV-__GT__set_paniccall and DB-__GT__set_paniccall calls with
a call to m4_ref(dbenv_set_event_notify).  This also requires the
callback function itself change, as the callback signatures are
different.])

m4_p([dnl
The DB_ENV-__GT__set_paniccall and DB-__GT__set_paniccall calls are
expected to be removed in a future release of m4_db.])

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