Linux-6.18.2/scripts/atomic/fallbacks/dec_unless_positive
2025-12-23 20:06:59 +08:00

11 lines
164 B
Plaintext
Executable File

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