xref: /linux/scripts/atomic/fallbacks/fetch_add_unless (revision dafa493dd01d5992f1cb70b08d1741c3ab99e04a)
1cat << EOF
2	${int} c = raw_${atomic}_read(v);
3
4	do {
5		if (unlikely(c == u))
6			break;
7	} while (!raw_${atomic}_try_cmpxchg(v, &c, c + a));
8
9	return c;
10EOF
11