z/OS MVS Programming: Workload Management Services
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Appendix D. C Language Interfaces for Workload Management Services

z/OS MVS Programming: Workload Management Services
SC34-2663-00

Appendix D. C Language Interfaces for Workload Management Services

The following Table 101 shows C language interfaces with their associated Workload Management service. See the z/OS XL C/C++ Runtime Library Reference for more information on these and other C language interfaces.

See also Interfaces for Sysplex Routing Services for the four C interfaces for accessing the WLM sysplex routing services, and Interface for Querying a Virtual Server for the C interface to querying a virtual server.

Table 101. C Language Interfaces
C Language InterfaceAssociated WLM ServiceReference Chapter
CheckSchEnvIWMSEDESIWMSEDES – Scheduling Environments Determine Execution Service
ConnectExportImport 
IWMCONN WORK_MANAGER=NO
        ROUTER=NO
        QUEUE_MANAGER=NO
        SERVER_MANAGER=NO
        EXPTIMPT=YES
IWMCONN – Connecting to Workload Management
ConnectServer 
IWMCONN WORK_MANAGER=NO
        ROUTER=NO
        QUEUE_MANAGER=YES
        SERVER_MANAGER=YES
IWMCONN – Connecting to Workload Management
ConnectWorkMgr 
IWMCONN WORK_MANAGER=YES
        ROUTER=NO
        QUEUE_MANAGER=YES
        SERVER_MANAGER=NO
        EXPTIMPT=YES
IWMCONN – Connecting to Workload Management
ContinueWorkUnit 
IWMCREA TYPE=DEPENDENT
IWMECREA – Create an Enclave
CreateWorkUnit 
IWMCREA TYPE=INDEPENDENT
IWMECREA – Create an Enclave
DeleteWorkUnit 
IWMEDELE
IWMEDELE – Delete an Enclave
DisconnectServer 
IWMDISC
IWMDISC – Disconnecting from Workload Management
ExportWorkUnit 
IWMEXPT
IWMEXPT – Exporting a WLM Enclave
ExtractWorkUnit 
IWMESQRY
IWMESQRY – Querying Enclave State
ImportWorkUnit 
IWMIMPT
IWMIMPT – Importing an Enclave
JoinWorkUnit 
IWMJOIN
IWMEJOIN macro — WLM Enclave Join Service
LeaveWorkUnit 
IWMELEAV
IWMELEAV macro — WLM Enclave Leave Service
QueryMetrics 
IWMWSYSQ
IWMWSYSQ – Querying System Information
QuerySchEnv 
IWMSEQRY
IWMSEQRY – Scheduling Environments Query Service
QueryWorkUnitClassification 
IWM4EQRY
IWM4EQRY macro — Enclave Query
UnDoExportWorkUnit 
IWMUEXPT
IWMUEXPT – WLM Undo Export Service
UnDoImportWorkUnit 
IWMUIMPT
IWMUIMPT – WLM Undo Import Service
_server_classify 
IWM4CLSY
_server_classify_create 
IWM4CLSY
_server_classify_init 
IWMCONN, IWMDISC
_server_classify_pwu 
IWMQINS,IWMSSEL,
IWMSTEND,IWMESQRY,
IWMSREF,IWMSTBGN,
IWMEDELE,IWMECREA,
IWM4CLSY,IWMDISC
_server_thread_query 
IWMSINF

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