Execution environment

z/OS MVS Program Management: Advanced Facilities

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Execution environment

z/OS MVS Program Management: Advanced Facilities
SA23-1392-00

The execution environment of a user exit routine is:

Enabled for I/O and external interrupts
Holds no locks
In task control block (TCB) mode
With PSW key equal to the key of the issuer of IEWBIND
In primary address space mode
In 31-bit addressing mode
In same PSW state as when IEWBIND was invoked
With no FRRs on the current FRR stack.

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