inc_unless_negative (249B)
1cat <<EOF 2static __always_inline bool 3arch_${atomic}_inc_unless_negative(${atomic}_t *v) 4{ 5 ${int} c = arch_${atomic}_read(v); 6 7 do { 8 if (unlikely(c < 0)) 9 return false; 10 } while (!arch_${atomic}_try_cmpxchg(v, &c, c + 1)); 11 12 return true; 13} 14EOF