Do not use inline kernel atomic_t operation, you will violate GPL. Use gcc builtins. If you want information please refer to: http://sos-linux.svn.sourceforge.net/viewvc/sos-linux/offsched/Linux-Debug/ and download linux-debug.pdf . You will few words on atomicity in user space in linux. Please execuse for bad editing, the paper is not complete.
raz On Wed, Dec 9, 2009 at 6:45 PM, Gilboa Davara <gilb...@gmail.com> wrote: > On Wed, 2009-12-09 at 18:22 +0200, Erez D wrote: > > hi > > > > hi do i do atomic operations in linux (userspace) ? > > > > i need somthing like testAndSet32() > > > > > > thanks, > > erez. > > You could access the kernel's atomic in-line function from user-space. > (under /usr/src/linux/arch...) > > You'll have to include half kernel to satisfy missing symbols - but it's > doable. (At least it worked, last time I tried.) > > Oh, I remember alsa (-devel) having a copy of these headers in a > user-mode digest-able form. Not sure though. > > - Gilboa > > > > _______________________________________________ > Linux-il mailing list > Linux-il@cs.huji.ac.il > http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il >
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