KVM-Nyx-fork/scripts/atomic/fallbacks/dec_unless_positive
David Venhoff cfcea9ee67 Initial commit
Based off b80915eb99
and compacted into a single commit so that it will fit on the uni git server
2025-08-11 13:05:09 +02:00

15 lines
255 B
Plaintext
Executable File

cat <<EOF
static __always_inline bool
${arch}${atomic}_dec_unless_positive(${atomic}_t *v)
{
${int} c = ${arch}${atomic}_read(v);
do {
if (unlikely(c > 0))
return false;
} while (!${arch}${atomic}_try_cmpxchg(v, &c, c - 1));
return true;
}
EOF