how to lock file in cobol

June 20, 2012 at 01:43:22
Specs: Windows XP
Cobol : In Cobol using one file and i opened in I-O mode.but this file has to access only one person at same time. If one person using the file second person shouldn't access.
please provide me suggestion..
Thanqs in-adavance..
Note :cobol400 programming...

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June 20, 2012 at 05:06:43
In COBOL/400 locking is done at the record level rather than the file level and is, I believe, automatic. Is there a reason that you want to lock the file rather than the record?

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