That explains why IBM's MVS didn't have locking at all. One would
conclude from that fact that locking isn't required to do even serious
business applications.
Brantley
On Nov 12, 2008, at 2:58 PM, Charles Forsyth wrote:
It's not POSIX byte-range
read- or write-locking per fcntl, but it's not clear to me how often
that's actually useful.
they aren't. i wrote a paper about it many years ago, when helping
to implement
a database system. in short, you can't rely on them for either scale
or properties,
so in any serious application you'll do it yourself anyway.
