scripts/atomic/fallbacks/inc_unless_negative - third_party/kernel - Git at Google

 cat <<EOF
 	${int} c = raw_${atomic}_read(v);

 	do {
 		if (unlikely(c < 0))
 			return false;
 	} while (!raw_${atomic}_try_cmpxchg(v, &c, c + 1));

 	return true;
 EOF
	cat <<EOF
	${int} c = raw_${atomic}_read(v);

	do {
	if (unlikely(c < 0))
	return false;
	} while (!raw_${atomic}_try_cmpxchg(v, &c, c + 1));

	return true;
	EOF