thesis/linux-6.8.1/scripts/atomic/fallbacks/dec_if_positive
2025-03-19 13:44:23 +01:00

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