On Thu, Dec 6, 2012 at 4:50 AM, Shraddha Kamat <[email protected]> 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 > [email protected] > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies _______________________________________________ Kernelnewbies mailing list [email protected] http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
