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android_kernel_rockchip_tart/scripts/atomic/fallbacks/dec_if_positive
2025-06-27 00:32:42 -05:00

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