z/OS DFSORT Application Programming Guide
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Major call 4

z/OS DFSORT Application Programming Guide
SC23-6878-00

Prior to Major Call 4, DFSORT sets the following fields in the EFS interface parameter list:
  • Action code=12

    Major Call 4 is in effect.

DFSORT calls EFS program EFSPGM at Major Call 4, and EFSPGM sets the following fields in the EFS interface parameter list:
  • Message list=0

    EFSPGM has no messages for DFSORT to print to the message data set.

And general register 15 is set to zero.

Parent topic: DFSORT termination phase

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