openEuler_kernel_rk3588/scripts/atomic/fallbacks/dec_if_positive

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

	do {
		dec = c - 1;
		if (unlikely(dec < 0))
			break;
	} while (!raw_${atomic}_try_cmpxchg(v, &c, dec));

	return dec;
EOF
new 2026-01-21 18:59:54 +08:00			`cat <<EOF`
init 2026-01-29 22:25:33 +08:00			`${int} dec, c = raw_${atomic}_read(v);`
new 2026-01-21 18:59:54 +08:00
			`do {`
			`dec = c - 1;`
			`if (unlikely(dec < 0))`
			`break;`
init 2026-01-29 22:25:33 +08:00			`} while (!raw_${atomic}_try_cmpxchg(v, &c, dec));`
new 2026-01-21 18:59:54 +08:00
			`return dec;`
			`EOF`