On Mon, May 15, 2000 at 02:23:06AM +0200, Bernd Kischnick wrote:
> I've done some extensive testing, copying several thousand files to
> HFS-partitions by several concurrent processes and reading them back.
> I've seen no problems, at least on a single-processor machine.
Hm, I think I can see one by inspection. The readdir code uses a simple
count to see where it should start reading from again. So this leads to
the following condition:
process A
readdir
-> returns { . .. a c }, runs out of buffer room.
process B
create b
process A continues its readdir
skips the first 4 entries { . .. a b }
-> returns { c d e }
so an ls could show:
a c c d e
instead of either 'a b c d e' or 'a c d e', which probably violates one
or more standards and certainly violates common sense.
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