> > > TWO observations:
> > > - Given Linux's non-pre-emptability of the kernel i get the feeling that
> > > sendfile could starve other user space programs. Imagine trying to send a
> > > 1Gig file on 10Mbps pipe in one shot.
> > Hehe, try sigkilling process doing that transfer. Last time I tried it
> > it did not work.
> >From Alexey's response: it does get descheduled possibly every sndbuf
> send. So you should be able to sneak that sigkill.
Did you actually tried it? Last time I did the test, SIGKILL did not
make it in. sendfile did not actually check for signals...
(And you could do something like send 100MB from cache into dev
null. I do not see where sigkill could sneak in in this case.)
The best software in life is free (not shareware)! Pavel
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