Dag-Erling Smørgrav wrote: > Fredrik Lindberg <fli+freebsd-current_at_shapeshifter.se> writes: > >>Dag-Erling Smørgrav wrote: >> >>>If the devd loop is an *alternative* to the polling loop, there's >>>even less reason to use threads. >> >>Yes it's an alternative, reading a variable versus doing a sysctl call >>each interation. It seemed like I good idea, when I first wrote this >>(almost a year ago), to have a thread providing a cached value of the >>AC state. But maybe I was trying to be too smart or something. > > > Yes. Not only is it a bad design idea, but the implementation is > wrong, and likely to fail badly when compiled at high optimization > levels. Ignoring the fact that it does work with -O3 (gcc 3.4.4), could you please explain why it has the potential of failing with high optimizations. Fredrik LindbergReceived on Tue Dec 06 2005 - 12:18:23 UTC
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