1ace9bad4SMark Rutlandcat << EOF
2765dcd20SMarco Elverstatic __always_inline ${int}
3*9257959aSMark Rutlandraw_${atomic}_fetch_add_unless(${atomic}_t *v, ${int} a, ${int} u)
4ace9bad4SMark Rutland{
5*9257959aSMark Rutland	${int} c = raw_${atomic}_read(v);
6ace9bad4SMark Rutland
7ace9bad4SMark Rutland	do {
8ace9bad4SMark Rutland		if (unlikely(c == u))
9ace9bad4SMark Rutland			break;
10*9257959aSMark Rutland	} while (!raw_${atomic}_try_cmpxchg(v, &c, c + a));
11ace9bad4SMark Rutland
12ace9bad4SMark Rutland	return c;
13ace9bad4SMark Rutland}
14ace9bad4SMark RutlandEOF
15