The mqseries_cmit (MQCMIT) call indicates to the queue manager that the application has reached a syncpoint, and that all of the message gets and puts that have occurred since the last syncpoint are to be made permanent. Messages put as part of a unit of work are made available to other applications; messages retrieved as part of a unit of work are deleted.
This handle represents the connection to the queue manager.
Reason code qualifying the compCode.
No value is returned.
mqseries_back will not function when using MQSeries Client to connect to a Queueu Manager.