On 07/09/10 20:50, Robert Watson wrote: > I think I have an e-mail in my in queue from you suggesting an > alternative approach that I haven't yet gotten to due to utter > saturation here.
That is why I CC'ed svn-src-head@ :) (But I do not see any sign whether my last email reached it -- I am not an that list.) I hope other committers will help me with this, because I would like to use it in my project, and I think it would be useful in general. > I assume there are reasonable alternatives that work around the > potential race with a small probability of a missed or extra update, > or similar, which would be fine. In a few words: As far as I know, 64-bit atomic counters could be implemented by using cmpxchg8b or by a plain uint64_t variable protected by some kind of locking(9). Cheers, :g _______________________________________________ svn-src-head@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
