z/OS DFSMSdfp Advanced Services
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Issuing DESERV FUNC=EXIT (invocation environment)

z/OS DFSMSdfp Advanced Services
SC23-6861-01

INTERRUPTS:
Enabled
STATE and KEY:
Supervisor state, or system key (0-7)
ASC Mode:
P=H=S
AMODE, RMODE:
No restrictions
LOCKS:
None held
REGISTERS:
  • All register contents except registers 15 and 0 are restored on return.
  • Register 15 contains the return code and register 0 contains the reason code.
  • No save area is required.
SERIALIZATION REQUIREMENTS:
None. DESERV maintains serialization. Therefore the caller does not need to provide any ENQ-like serialization.
Parent topic: Using the DESERV Exit

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