scripts/atomic/fallbacks/inc_unless_negative

cat <<EOF
static inline bool
${atomic}_inc_unless_negative(${atomic}_t *v)
{
	${int} c = ${atomic}_read(v);

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

	return true;
}
EOF