Procedures

  1. Issue the EXTRACT macro with the FIELDS=TIOT parameter to extract the TIOT from the TCB.
  2. Search the TIOT for the DD name associated with the shared data set.
  3. When you find the entry for the required DD name, obtain the UCB address from field TIOEFSRT.
  4. Issue the RESERVE macro specifying the address obtained in step 3 as the parameter of the UCB keyword.
Parent topic: Using the EXTRACT macro to find the UCB address