void

       MongoDB, Inc

       2009-present, MongoDB, Inc.

1.30.4                                            Jun 08, 2025                     MONGOC_READ_PREFS_SET_MODE(3)

       Sets the read preference mode. See the MongoDB website for more information on ReadPreferences.

       • read_prefs: A mongoc_read_prefs_t.

       • mode: A mongoc_read_mode_t.

          void
          mongoc_read_prefs_set_mode (mongoc_read_prefs_t *read_prefs,
                                      mongoc_read_mode_t mode);