5c7dd7acc3
repo: https://github.com/T-head-Semi/linux commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
16 lines
265 B
Plaintext
Executable File
16 lines
265 B
Plaintext
Executable File
cat <<EOF
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static __always_inline ${ret}
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${arch}${atomic}_dec_if_positive(${atomic}_t *v)
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{
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${int} dec, c = ${arch}${atomic}_read(v);
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do {
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dec = c - 1;
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if (unlikely(dec < 0))
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break;
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} while (!${arch}${atomic}_try_cmpxchg(v, &c, dec));
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return dec;
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}
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EOF
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