z/OS JES2 Installation Exits
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Register contents when Exit 28 gets control

z/OS JES2 Installation Exits
SA32-0995-00

The contents of the registers on entry to this exit are:
Register
Contents
0
0
1
Pointer to a 12-byte parameter list with the following structure:
Byte 1 (+0)
A type-of-processing caller indicator, as follows:
0
job termination (JOB, STC, TSU, or XBM)
4
SYSLOG termination (return ID)
8
joblet termination
12
unsuccessful job selection (JOB, STC, TSU unable to obtain resources)
16
unsuccessful request ID JOB (request ID unable to obtain resources)
20
unsuccessful joblet selection (unable to obtain resources)
24
unsuccessful job restart (JOB RENQ unable to obtain resources)
Byte 2 (+1)
This byte is not part of the interface
Byte 3 (+2)
Response byte
Bits 0-6
These bits are not part of the interface
Bit 7
0 – indicates that JES2 will issue job termination message (default)

1 – indicates that JES2 will
suppress job termination
message

Byte 4 (+3)
This byte is not part of the interface
Byte 5 (+4)
Address of SJB or 0
Byte 9 (+8)
Address of JCT or 0
2-10
Not applicable
11
Address of the $HCCT
12
Not applicable
13
Address of an available save area
14
Return address
15
Entry address

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