SYNC call
The Synchronization Point (SYNC) call
is used to request commit point processing.
Format
| Call Name | DB/DC | DBCTL | DCCTL | DB Batch | TM Batch |
|---|---|---|---|---|---|
| SYNC | X | X | X |
Parameters
- i/o pcb
- Specifies the I/O PCB, the first PCB address in the list passed to the program. This parameter is an input and output parameter.
- aib
- Specifies the application interface block (AIB) that is used for
the call. This parameter is an input and output parameter. The following fields must be initialized in the AIB:
- AIBID
- Eye catcher. This 8-byte field must contain DFSAIBbb.
- AIBLEN
- AIB lengths. This field must contain the actual length of the AIB that the application program obtained.
- AIBRSNM1
- Resource name. This 8-byte, left-justified field must contain the PCB name IOPCBbbb.
Usage
Issue the SYNC call
to request that IMS TM process
the application program with commit points for the application program.
Restrictions
The SYNC call
is valid only in batch-oriented BMPs.
You cannot issue a SYNC call
from a CPI Communications driven application program.