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dejunzhu
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Joined: 08 May 2008
Posts: 390
Location: China
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I have 2 programs, let's say, pgma, pgmb.
pgma LINK pgmb,
pgmb LINK pgma.
as pgma is linked by pgmb conditionally, there will no chance of dead loop.
my quesiton is: does pgma need some special parameter for compiling? |
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Bill Woodger
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Joined: 09 Mar 2011
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| Not necessarily true. PGMA and PGMB would both have to know not to do it, potentially. Depends on what you've coded. |
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dejunzhu
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Location: China
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It's not about necessity.
the design is inevitable, so, I'm trying to make sure there is no potential danger of doing this, such as, special compile parameter for the nested linked program. |
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Bill Woodger
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| dejunzhu wrote: |
It's not about necessity.
the design is inevitable, so, I'm trying to make sure there is no potential danger of doing this, such as, special compile parameter for the nested linked program. |
OK, so there can be something of the "language barrier"... (up to "inevitable" it sounds like it is the Criminal Mastermind talking to the Captured and Soon to be Deceased (CM Thinks) James Bond), but what if there is no "special compile parameter" given that we have no clue what would make it "special" for you.
Can you show your "ordinary" compile parameters, please? |
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dejunzhu
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Posts: 390
Location: China
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compile parameters used by common programs are shown as below:
| Code: |
PP 5655-S71 IBM Enterprise COBOL for z/OS 4.2.0 Date 04
Invocation parameters:
SSRANGE,LIB,RENT,MAP,LIST,TEST(NONE,SYM,SEP),NOXREF,DBCS,NOSEQ,TRUNC(OPT) |
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Bill Woodger
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| Sorry, need to see the values of all the ones which affect object generation (you can exclude OUTDD), as your installation defaults need not be those that IBM supplies. |
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sentoganesh
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Joined: 08 Aug 2013
Posts: 3
Location: India
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| I dont think nested LINKs will need any specific compile options...each LINK creates new run unit meaning new (fresh) working storage...so you will not know if it is a first / second invocation by looking at working storage values... |
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colin777
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Joined: 06 Jun 2013
Posts: 19
Location: Singapore
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Hi,
If you are in any doubt, you can issue an EXEC CICS ASSIGN INVOKINGPROG(data-area), in the Linked to program, to ascertain which program issued the LINK or XCTL.
If you get back 8 blanks in the data-area, then you are in the top program.
HTH
Colin777 |
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