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<title>Berkeley DB: DB_ENV->set_recovery_init</title>
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<h1>DB_ENV->set_recovery_init</h1>
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DB_ENV->set_recovery_init(DB_ENV *,
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int (*db_recovery_init_fcn)(DB_ENV *));
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<p>Applications installing application-specific recovery functions need
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to be called before Berkeley DB performs recovery so they may add their recovery
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functions to Berkeley DB's.
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<p>The DB_ENV->set_recovery_init function supports this functionality. The
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<b>db_recovery_init_fcn</b> function must be declared with one
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argument, a reference to the enclosing Berkeley DB environment. This
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function will be called after the <a href="../api_c/env_open.html">DB_ENV->open</a> has been called,
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but before recovery is started.
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<p>If the <b>db_recovery_init_fcn</b> function returns a non-zero value,
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no recovery will be performed, and <a href="../api_c/env_open.html">DB_ENV->open</a> will return the same
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<p>The DB_ENV->set_recovery_init interface may be used only to configure Berkeley DB before
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the <a href="../api_c/env_open.html">DB_ENV->open</a> interface is called.
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<p>The DB_ENV->set_recovery_init function returns a non-zero error value on failure and 0 on success.
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<p>The DB_ENV->set_recovery_init function may fail and return a non-zero error for the following conditions:
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<p><dt>EINVAL<dd>An invalid flag value or parameter was specified.
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<p>Called after <a href="../api_c/env_open.html">DB_ENV->open</a> was called.
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<p>The DB_ENV->set_recovery_init function may fail and return a non-zero error for errors specified for other Berkeley DB and C library or system functions.
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If a catastrophic error has occurred, the DB_ENV->set_recovery_init function may fail and return
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<a href="../ref/program/errorret.html#DB_RUNRECOVERY">DB_RUNRECOVERY</a>, in which case all subsequent Berkeley DB calls will fail
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<a href="../api_c/env_create.html">db_env_create</a>,
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<a href="../api_c/env_close.html">DB_ENV->close</a>,
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<a href="../api_c/env_err.html">DB_ENV->err</a>, <a href="../api_c/env_err.html">DB_ENV->errx</a>
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<a href="../api_c/env_open.html">DB_ENV->open</a>,
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<a href="../api_c/env_remove.html">DB_ENV->remove</a>,
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<a href="../api_c/env_set_alloc.html">DB_ENV->set_alloc</a>,
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<a href="../api_c/env_set_cachesize.html">DB_ENV->set_cachesize</a>,
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<a href="../api_c/env_set_data_dir.html">DB_ENV->set_data_dir</a>,
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<a href="../api_c/env_set_errcall.html">DB_ENV->set_errcall</a>,
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<a href="../api_c/env_set_errfile.html">DB_ENV->set_errfile</a>,
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<a href="../api_c/env_set_errpfx.html">DB_ENV->set_errpfx</a>,
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<a href="../api_c/env_set_feedback.html">DB_ENV->set_feedback</a>,
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<a href="../api_c/env_set_flags.html">DB_ENV->set_flags</a>,
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<a href="../api_c/env_set_mutexlocks.html">DB_ENV->set_mutexlocks</a>,
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<a href="../api_c/env_set_pageyield.html">db_env_set_pageyield</a>,
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<a href="../api_c/env_set_paniccall.html">DB_ENV->set_paniccall</a>,
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<a href="../api_c/env_set_panicstate.html">db_env_set_panicstate</a>,
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<a href="../api_c/env_set_rec_init.html">DB_ENV->set_recovery_init</a>,
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<a href="../api_c/env_set_rpc_server.html">DB_ENV->set_rpc_server</a>,
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<a href="../api_c/env_set_region_init.html">db_env_set_region_init</a>,
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<a href="../api_c/env_set_shm_key.html">DB_ENV->set_shm_key</a>,
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<a href="../api_c/env_set_tas_spins.html">db_env_set_tas_spins</a>,
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<a href="../api_c/env_set_tmp_dir.html">DB_ENV->set_tmp_dir</a>,
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<a href="../api_c/env_set_verbose.html">DB_ENV->set_verbose</a>,
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<a href="../api_c/env_strerror.html">db_strerror</a>
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<a href="../api_c/env_version.html">db_version</a>.
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