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linux/scripts/atomic/fallbacks/dec_if_positive
Daniel Baumann 79d69e5050
Adding upstream version 6.12.33.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 12:14:28 +02:00

11 lines
176 B
Text
Executable file

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