Benjamin LaHaise wrote:
> After thinking about it further, there is one problem with when that is
> avoided with timeout: if the system time is changed between the timeout
> calculation and the time the kernel calculates the jiffies offset, the
> process could be delayed much longer than desired (and fixing this case
> is hard enough that it should be avoided in typical code). Tradeoffs...
Now if we had a constant monotonic source of time--say 64-bit nanoseconds since
boot--this wouldn't be a problem.
Chris
-- Chris Friesen | MailStop: 043/33/F10 Nortel Networks | work: (613) 765-0557 3500 Carling Avenue | fax: (613) 765-2986 Nepean, ON K2H 8E9 Canada | email: cfriesen@nortelnetworks.com - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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