How do I stop my application segmentation faulting on exit when using the Oracle ODBC driver with unixODBC?

To solve this problem, add the line DontDLClose = 1 to the odbcinst.ini file.

Oracle adds a callback to the exit function and unixODBC unloads the Oracle ODBC driver on disconnect causing the callback to fail.

Setting DontDLClose stops unixODBC unloading the Oracle ODBC driver on disconnect. The callback then succeeds on exit.

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