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It doesn't matter whether is is right or wrong

It doesn't matter whether is is right or wrong

Posted Jun 13, 2003 17:22 UTC (Fri) by xorbe (guest, #3165)
Parent article: Does SCO own read-copy-update?


The company behavior has been completely unacceptable
concerning this matter, and they should be fined for,
uh, causing terror and financial disruption in the
marketplace for advancing their own agenda.


to post comments

Prior art - maybe?

Posted Jun 15, 2003 13:38 UTC (Sun) by edt (guest, #842) [Link]

IBM's DMS product from the 70s-80s used something that could be called read
copy update. To avoid locking records being updated it would get the record,
save a copy let the user do his or her thing with it, get the record a second time,
this time locking it, compare the originals. If they were the same the update
would proceed, but the time the record was locked would be quite short.
They called this Save Compare mode. Could this be prior art?

Ed Tomlinson

ps. if my memory serves me correctly the product number was 5746-xc4


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