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path: root/scripts/atomic/fallbacks/dec_unless_positive
blob: d025361d7b85af1437a091eb78eacd04c12a3fbb (plain)
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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