Major call 1
Prior to Major Call 1, DFSORT sets the following fields
in the EFS interface parameter list:
- Action code=0
Major Call 1 is in effect.
- Informational bit flag 2=0
The DFSORT run is JCL-invoked.
- Informational bit flag 3=0
SORTDIAG is not in effect.
DFSORT calls EFS program EFSPGM at Major Call 1, and EFSPGM sets
the following fields in the EFS interface parameter list:
- Control statement request list
Contains the OPTION operation definer, which indicates to DFSORT that the OPTION control statement is requested by EFSPGM.
- EFSPGM program context area
EFSPGM will be using the context area.
- Message list=0
EFSPGM has no messages for DFSORT to print to the message data set. General register 15 is set to zero.