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- 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
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