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I have a VSAM file and there are two CICS pgms A and B both
intends to update the file. How to code the program so that
it does not under go a dead lock situation.
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Answer Posted / pramod
This can be done by pairing read/update and rewrite command. If record is read for update(read/update) then it must be rewritten, if after read/update record is not required to rewrite then it must be unlocked using unlock command.
One more cause is for deadlock is double update in pseudo-conversational program and this can avoided by coding a update identifier field.
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