Messages in this thread | | | Date | Fri, 8 Jun 2007 11:11:24 -0700 (PDT) | From | Davide Libenzi <> | Subject | Re: [patch 7/8] fdmap v2 - implement sys_socket2 |
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On Fri, 8 Jun 2007, Alan Cox wrote:
> > Um, how cheap do you need it? get_random_int() is actually pretty > > cheep, since it was designed to be usable by the networking stack for > > sequence numbers for TCP packets; and it's not like sys_close() or > > sys_open() is a majorly critical path, is it? If the concern is > > At this point wouldn't it be cheaper to allocate file handles using a > different algorithm than firing up the RNG - say like in the POSIX > fashion ...
The only reason we use a floating base, is because Uli preferred to have non-exactly predictable fd allocations. There no reason of re-doing the same POSIX mistake all over again:
Errare humanum est, perseverare autem diabolicum
- Davide
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