CL coding for restart after abort

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Tags:
CLP
I am looking for examples of how to code a CL program to restart at the appropriate job step after an abort. The technique involves saving the last successfully completed step into a *DTAARA. This is done throughout the CL. Then when the CL job is restarted, the first thing the CL does is rtvdtaara. It then skips to the appropriate step in the CL, thus making the job restartable without operator intervention. Any assistance would be greatly appreciated.
ASKED: March 1, 2007  5:26 PM
UPDATED: March 5, 2007  8:39 PM

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Sounds like you have a pretty good start. When you retreive teh *DTAARA value you can use that varible in GOTO statement to go to a label with the same value.

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  • astradyne
    I have done this in the past, but have never been able to code a variable in the GOTO statement as the previous reply suggests - SEU always generates an error (at least at v5r1 it does). The following is a sample piece of code I've used in the past: PGM PARM(&P1 &P2 &P3) DCL VAR(&P1) TYPE(*CHAR) LEN(3) DCL VAR(&P2) TYPE(*CHAR) LEN(7) DCL VAR(&P3) TYPE(*CHAR) LEN(10) DCL VAR(&MYPGM) TYPE(*CHAR) LEN(10) VALUE('PGMNAME') DCL VAR(&RSTPNT) TYPE(*CHAR) LEN(4) DCL VAR(&TAG) TYPE(*CHAR) LEN(10) /* Generic MONMSG to save restore point in case of an error... */ MONMSG MSGID(CPF0000) EXEC(DO) CHGDTAARA DTAARA(&MYPGM) VALUE(&RSTPNT) ENDDO /* Retrieve the restore point and see if we need to restart from any point... */ TAG0000: RTVDTAARA DTAARA(&MYPGM) RTNVAR(&RSTPNT) IF COND(&RSTPNT *NE '0000') THEN(DO) IF COND(&RSTPNT *EQ '0100') THEN(GOTO CMDLBL(TAG0100)) IF COND(&RSTPNT *EQ '0200') THEN(GOTO CMDLBL(TAG0200)) IF COND(&RSTPNT *EQ '0300') THEN(GOTO CMDLBL(TAG0300)) IF COND(&RSTPNT *EQ '0400') THEN(GOTO CMDLBL(TAG0400)) IF COND(&RSTPNT *EQ '0500') THEN(GOTO CMDLBL(TAG0500)) ENDDO /* Set the restore point for the TAG we are just about to execute. That way */ /* if the program does crash then we know where to restart from... */ CHGVAR VAR(&RSTPNT) VALUE('0100') TAG0100: CALL PGM(PROG1) PARM(&P1) CHGVAR VAR(&RSTPNT) VALUE('0200') TAG0200: CALL PGM(PROG2) PARM(&P1) CHGVAR VAR(&RSTPNT) VALUE('0300') TAG0300: CALL PGM(PROG3) PARM(&P1) CHGVAR VAR(&RSTPNT) VALUE('0400') TAG0400: CALL PGM(PROG4) PARM(&P1) CHGVAR VAR(&RSTPNT) VALUE('0500') TAG0500: CALL PGM(PROG5) PARM(&P1) /* Close the program and reset the return point data area... */ TAG9900: CHGVAR VAR(&RSTPNT) VALUE('0000') CHGDTAARA DTAARA(&MYPGM) VALUE(&RSTPNT) RETURN ENDPGM Jonathan
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