z/OS JES2 Macros
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$RETBLK – Return a storage cell to a free–cell pool

z/OS JES2 Macros
SA32-0996-00

Use $RETBLK to return a number of predefined storage cells to one of several previously established free–cell pools.

Format description

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>>-+--------+--$RETBLK--+-------------------+------------------->
   '-symbol-'           |          .-BUF--. |   
                        '-TYPE--=--+-SAVE-+-'   
                                   +-JIB--+     
                                   +-RPL--+     
                                   +-GTRC-+     
                                   '-SSOB-'     

>--+--------------------------+--------------------------------><
   |             .-(--R1--)-. |   
   '-,--ADDR--=--+-addrx----+-'   

TYPE=
Specifies the type of storage cell to be returned to the free cell pool. Specifications are as follows:
Specification
Meaning
SAVE
An MVS-type save area
JIB
A JOE information block
BUF
A 4K I/O buffer
RPL
A request parameter list control block chain
GTRC
A GETREC chain control block
SSOB
A subsystem options block
ADDR=
Specifies the address of the first cell to be returned. If register 1 is used, it must contain the address of the first cell to be returned before executing this macro.

Environment

  • Functional subsystem (HASPFSSM).
  • MVS™ WAIT cannot occur.

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