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