MQXCLWLN - Navigate Cluster workload records
The MQXCLWLN call is used to navigate through the chains of MQWDR, MQWQR, and MQWCR records stored in the cluster cache.
The cluster cache is an area of main storage used to store information relating to the cluster.
If the cluster cache is static, it has a fixed size. If you set it to dynamic, the cluster cache can expand as required.
Set the type of cluster cache to STATIC or DYNAMIC using either a system parameter or macro.- Use the system parameter ClusterCacheType on Multiplatforms.
- Use the CLCACHE parameter in the CSQ6SYSP macro on z/OS .
Syntax
MQXCLWLN (ExitParms, CurrentRecord, NextOffset, NextRecord, Compcode, Reason)
- Parameters for MQXCLWLN - Navigate Cluster workload records
Description of the parameters in the MQXCLWLN call. - Usage notes for MQXCLWLN - Navigate Cluster workload records
Use MQXCLWLN to navigate through cluster records, even if the cache is static. - Language invocations of MQXCLWLN
MQXCLWLN supports two languages, C and High Level Assembler.
Parent topic: Cluster workload exit call and data structures
Related reference
- MQ_CLUSTER_WORKLOAD_EXIT - Call description
- MQWXP - Cluster workload exit parameter structure
- MQWDR - Cluster workload destination record structure
- MQWQR - Cluster workload queue record structure
- MQWCR - Cluster workload cluster record structure