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thread-utils.c: detect online CPU count on OpenBSD / NetBSD
OpenBSD / NetBSD use HW_NCPUONLINE to detect the online CPU
count. OpenBSD ships with SMT disabled on X86 systems so
HW_NCPU would provide double the number of CPUs as opposed
to the proper online count.
Signed-off-by: Brad Smith <brad@comstyle.com>
Reviewed-by: Collin Funk <collin.funk1@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
authored by
Brad Smith
and committed by
Junio C Hamano
7f1a09db
d50a5e89
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thread-utils.c
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thread-utils.c
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mib[0] = CTL_HW;
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# ifdef HW_AVAILCPU
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mib[1] = HW_AVAILCPU;
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len = sizeof(cpucount);
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if (!sysctl(mib, 2, &cpucount, &len, NULL, 0))
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return cpucount;
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# endif /* HW_AVAILCPU */
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# elif defined(HW_NCPUONLINE)
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mib[1] = HW_NCPUONLINE;
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# else
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mib[1] = HW_NCPU;
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# endif /* HW_AVAILCPU */
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len = sizeof(cpucount);
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if (!sysctl(mib, 2, &cpucount, &len, NULL, 0))
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return cpucount;