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Re^3: Ways to sequence calls from multiple processes

by l3nz (Friar)
on Dec 01, 2004 at 21:00 UTC ( #411568=note: print w/replies, xml ) Need Help??


in reply to Re^2: Ways to sequence calls from multiple processes
in thread Ways to sequence calls from multiple processes

I frankly don't know much about unix locking, and you are right, but have written concurrent production code in major apps for major players. What I was saying is that you don't need table locking on the database (that has its own uses), you just want to have a mutex access to a pool of resources, and the database does that excellently. And if you add a datetime field that you happen to update with the update, you can know who locked what and easily inspect it externally. And this is definitely a plus when running concurrent stuff, where bugs are rather hard to detect.
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