Use the _finish_extfn v4 API method as an optional pointer to a shutdown function, for which the only argument is a pointer to a_v4_extfn_proc_context.
_finish_extfn( a_v4_extfn_proc_context *cntxt, )
The _finish_extfn API deallocates a structure for which the address was stored in the user_data field in the a_v4_extfn_proc_context. This function pointer must be set to the null pointer if there is no need for any cleanup.
Parameter | Description |
---|---|
cntxt | The procedure context object. |