gtpi1m1h | System Installation Support Reference |
User exit routine UCCGBK is invoked by the Get Block Without ECB routine after a core block has been allocated, and before returning to the caller. This exit point, named GBK, can be activated dynamically. Exit point GBK is in copy segment CLHV of CSECT CCSTOR.
General Conditions at Entry
The registers at entry to UCCGBK are:
System Conditions at Entry
Programming Considerations at Entry
Programming Considerations on Return
See User Exit Routines - Common Return Conditions.
General Conditions on Return