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path: root/scripts/atomic/fallbacks/fetch_add_unless
blob: 8db7e9e17facf8df52aa02b8ed187c4d76d4c3f1 (plain)
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cat << EOF
	${int} c = raw_${atomic}_read(v);

	do {
		if (unlikely(c == u))
			break;
	} while (!raw_${atomic}_try_cmpxchg(v, &c, c + a));

	return c;
EOF