UNIX semantics do permit full support for asynchronous I/O

Michael Meissner meissner at osf.org
Sat Sep 1 07:48:13 AEST 1990


In article <29290:Aug3120:10:5590 at kramden.acf.nyu.edu>
brnstnd at kramden.acf.nyu.edu (Dan Bernstein) writes:

| No. Any database application that claims to recover after crashes
| without fsync()ing its write()s is lying. (This says some interesting
| things about certain System V database programs.)

Ah, but System V has O_SYNC was does do the fsync after every write
(or so the man page claims...).
--
Michael Meissner	email: meissner at osf.org		phone: 617-621-8861
Open Software Foundation, 11 Cambridge Center, Cambridge, MA, 02142

Do apple growers tell their kids money doesn't grow on bushes?



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