Added support for using the Cython 3.0 release (#204).

doc/src/release_notes.rst

@@ -54,6 +54,8 @@ Common Changes
 #)  The ``repr()`` value of the DbObject class now shows the string "DbObject"
     instead of the string "Object" for consistency with the name of the class
     and the other ``repr()`` values for DbObjectType and DbObjectAttr.
+#)  Added support for using the Cython 3.0 release
+    (`issue 204 <https://github.com/oracle/python-oracledb/issues/204>`__).
 #)  Improved test suite.
 
 

src/oracledb/impl/thick/odpi.pxd

@@ -222,10 +222,10 @@ cdef extern from "impl/thick/odpi/embed/dpi.c":
 
     # function pointer types
     ctypedef void (*dpiSubscrCallback)(void* context,
-            dpiSubscrMessage *message)
+            dpiSubscrMessage *message) except * nogil
 
     ctypedef int (*dpiAccessTokenCallback)(void *context,
-            dpiAccessToken *accessToken)
+            dpiAccessToken *accessToken) except * nogil
 
     # complex native data types
     ctypedef struct dpiBytes: