One of my current fields of interest is non-blocking synchronization. Wikipedia has a good introductive article on this topic. Non-blocking synchronization is of interest for pervasive computing because this technique among other things makes software more robust as it avoids dead-locks and inversions of priority, which are well-known problems of embedded software.
As far as I know the fundamentals of this topic origin from Maurice Herlihy, published first on 1991 in his paper wait-free synchronization.
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