On Thu, Dec 6, 2012 at 4:50 AM, Shraddha Kamat <sh2008ka@xxxxxxxxx> wrote: > Hi, > > # define likely(x) __builtin_expect(!!(x), 1) > # define unlikely(x) __builtin_expect(!!(x), 0) > > I see these !! in the above expressions. Please explain me the > meaning of those double exclamations. What is their significance ? > this is c question, right, google is your friend > -- Shraddha > > > > _______________________________________________ > Kernelnewbies mailing list > Kernelnewbies@xxxxxxxxxxxxxxxxx > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
