OpenCloudOS-Kernel/scripts/atomic/fallbacks/inc_unless_negative

15 lines
249 B
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Executable File

cat <<EOF
static __always_inline bool
arch_${atomic}_inc_unless_negative(${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