On 27-set-09, at 15:34, Samuel Thibault wrote:
>>>>> I've wondered how to implement topology changes indeed. AIX does
>>>>> have a SIGRECONFIG signal for this, I don't know any support from
>>>>> other OSes.
>>>> Maybe there's a inotify way to get such changes in Linux.
>>> There is usually no inotify support for virtual files. I've
>>> just tested that it doesn't work for /sys/bus/usb/devices for
>>> instance. We'll have to ask kernel developers for it.
>> ok just as information osx has such a callback if possible it would
>> nice to have such functionality abstracted away...
> Do you know how it is called?
I have looked for it, and was not able to find the documentation
again, I suppose that registering for power management changes and
check if for example hw.activecpu changed should do the trick, but I
cannot track down the place where I had read something about it...
> (problem with macosx is that it doesn't support processor binding
yes it is possible just to group threads that should stay together...