User Exits › User Exit 3

User Exit 3

Purpose

This exit allows the execution of a user‑developed exit routine that extracts additional information from JES3 control blocks (information not extracted by the XCOMPSOI module).

Module Name and Entry Point

The default module name and entry point for this exit is XCOMEX03. The default module name can be overridden by specifying the load-module name in the Default Options.

How to Enable

Specify EXIT03=YES | Load-module name in the Default Options to enable this exit.

Calling Module

The module XCOMPSOI calls this exit.

Entry Method

This exit is a branch entry.

Required DSECT

PSODSECT is the required DSECT.

Addressing Mode at Entry

The addressing mode at entry is 31.

Registers at Entry

The following registers are available at entry:

R0

Undefined

R1

Address of PSODSECT

R2 to R12

Undefined

R13

Address of register save area

R14

Return address

R15

Entry point address

Registers at Exit

The following registers are available at exit:

R0 to R14

Undefined

R15

Return code

Valid Return Code

The only valid return code is 0 for a normal return.

Sample Program

There is no sample program provided for user exit 3.