WebSphere MQ for z/OS calls

 

WebSphere MQ for z/OS provides the MQCMIT and MQBACK calls. Use these calls in z/OS batch programs to tell the queue manager that all the MQGET and MQPUT operations since the last syncpoint are to be made permanent (committed) or are to be backed out. To commit and back out changes in other environments:

CICS

Use commands such as EXEC CICS SYNCPOINT and EXEC CICS SYNCPOINT ROLLBACK.

IMS™

Use the IMS syncpoint facilities, such as the GU (get unique) to the IOPCB, CHKP (checkpoint), and ROLB (rollback) calls.

RRS

Use MQCMIT and MQBACK or SRRCMIT and SRRBACK as appropriate. (See Transaction management and recoverable resource manager services.)

SRRCMIT and SRRBACK are native RRS commands, they are not MQI calls.

For backward compatibility, the CSQBCMT and CSQBBAK calls are available as synonyms for MQCMIT and MQBACK. These are described in the Application Programming Reference.

 

Parent topic:

Syncpoint calls

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