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How to use DGADWAIT in a process.

Technical Blog Post


Abstract

How to use DGADWAIT in a process.

Body

The utility DGADWAIT (DMRTWAIT) and MAXDELAY can be used together to delay the termination of the DMBATCH job and return a condition code that relates to the termination of the submitted process. This is basically what CDPOST and CDWAIT use to do prior to Connect:Direct for z/OS V4.7.

The DMBATCH batch job would have a MAXDELAY coded on the SUBMIT command, causing the batch job to wait on the submitted process to complete and return a desired return code based on the success or failure of the process.

//JOBNAME JOB (ACCT INOF),'****************',NOTIFY=&SYSUID,CLASS=T,

//         MSGCLASS=X,MSGLEVEL=(1,1)

//*

//DMBATCH  EXEC PGM=DMBATCH,REGION=1024K,PARM=(YYSLYNN)

//STEPLIB   DD DISP=SHR,DSN=YOUR.CD.LINKLIB

//DMNETMAP  DD DISP=SHR,DSN=YOUR.CD.NETMAP

//DMPUBLIB  DD DISP=SHR,DSN=YOUR.CD.PROCESS

//DMMSGFIL  DD DISP=SHR,DSN=YOUR.CD.MSG

//NDMLOG    DD  SYSOUT=*

//NDMCMDS   DD  SYSOUT=*

//CDCMDS    DD  SYSOUT=*

//DMPRINT   DD  SYSOUT=*

//SYSIN     DD  *

  SIGNON ESF=YES

  SUBMIT PROC=SOMEPROC MAXDELAY=00:30:00

  SIGNOFF

/*

Then in the process you use RUN TASK steps executing the DGADWAIT (DMRTWAIT) utility with conditional logic to determine what return code you would like to return to the DMBATCH batch job.

SOMEPROC PROCESS SNODE=CD.REMOTE.NODE

STEP1  COPY   FROM (DSN=SOME.INPUT.FILE            -

                    DISP=(SHR) PNODE)              -

              TO   (DSN=SOME.OUTPUT.FILE           -

                    DISP=(NEW,CATLG,DELETE)        -

                    SNODE)

 IF (STEP1 NE 0) THEN

RC08   RUN TASK (PGM=DMRTWAIT PARM=(0,08)) PNODE            

  ELSE

RC0    RUN TASK (PGM=DMRTWAIT PARM=(0,0)) PNODE

 EIF

 

NOTE: DMRTWAIT can be coded on the PGM= parameter because it is an alias of DGADWAIT.

NOTE: This example is with basic coding, additional parameters could be required to execute the process properly.

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ibm11124043