Deadlock during SQLDriverConnect()

openlink / iODBC

An open-source ODBC driver manager and SDK that facilitates the development of database-independent applications on linux, freebsd, unix and MacOS X platforms.

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Deadlock during SQLDriverConnect() #96

Open aleksei-i opened 9 months ago

aleksei-i commented 9 months ago

We call SQLDriverConnect() which get lock using ENTER_HDBC(). Then the SQLSetConnectOptionW() is called which also get lock using ENTER_HDBC(). The second ENTER_HDBC() cause the deadlock.

The test: CheckBeforeConnect(SQL_ATTR_LOGIN_TIMEOUT, value, value); This function set the connect attribute before connection using SQLSetConnectAttr() and then calls SQLDriverConnect().

Stack trace:

pkleef commented 9 months ago

Development are looking into this ...