On Sun, Oct 29, 2000 at 01:28:38AM -0200, Rik van Riel wrote:
> Except for doing a test on tcp_memory_free(sk), where we
> do NOT hold the lock we're so dutifully clinging to during
> the rest of the loop...
And rechecking it later while holding the loop on the next iteration.
Also usually the caller also does a check again and iterates as needed.
>
> As I said, I can't put my finger down on what exactly is
> wrong, but this code looks subtle enough that, together
> with the bugreport I got (on IRC), I have the feeling that
> it just _can't_ be right ...
With the right setup of multiple threads writing all the time
on a single socket you could probably starve one, making it loop forever here.
(it does not try to be fair)
-Andi
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This archive was generated by hypermail 2b29 : Tue Oct 31 2000 - 21:00:24 EST