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Provide raw for logical CPU 0 in cpuid_get_raw_data_core() even if set_cpu_affinity() is not supported

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On OpenBSD, set_cpu_affinity() is not supported, so cpuid_get_raw_data_core() always returns ERR_INVCNB.
This commit allows to provide raw data for at least one CPU core.
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The Tumultuous Unicorn Of Darkness 2024-07-27 17:45:05 +02:00
parent 00b7081035
commit 25c83f0d0b
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GPG key ID: 1E55EE2EFF18BC1A
1 changed files with 6 additions and 3 deletions
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libcpuid/cpuid_main.c
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@ -1320,9 +1320,12 @@ int cpuid_get_raw_data_core(struct cpu_raw_data_t* data, logical_cpu_t logical_c
if (logical_cpu != (logical_cpu_t) -1) {
debugf(2, "Getting raw dump for logical CPU %u\n", logical_cpu);
if (!set_cpu_affinity(logical_cpu))
return cpuid_set_error(ERR_INVCNB);
if (set_cpu_affinity(logical_cpu))
affinity_saved = save_cpu_affinity();
else
/* Never return ERR_INVCNB for logical CPU 0 (in case set_cpu_affinity() is not supported) */
if (logical_cpu > 0)
return cpuid_set_error(ERR_INVCNB);
}
#if defined(PLATFORM_X86) || defined(PLATFORM_X64)