Linux-libre 5.3.12-gnu
[librecmc/linux-libre.git] / scripts / atomic / fallbacks / inc_unless_negative
1 cat <<EOF
2 static inline bool
3 ${atomic}_inc_unless_negative(${atomic}_t *v)
4 {
5         ${int} c = ${atomic}_read(v);
6
7         do {
8                 if (unlikely(c < 0))
9                         return false;
10         } while (!${atomic}_try_cmpxchg(v, &c, c + 1));
11
12         return true;
13 }
14 EOF