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avutil/cpu: Use HW_NCPUONLINE to detect # of online CPUs with OpenBSD

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Signed-off-by: Brad Smith <brad@comstyle.com>
Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Brad Smith 2021-04-03 14:49:20 -04:00 committed by Marton Balint
parent 46f3ae8f67
commit c8fb68ec52
1 changed files with 6 additions and 0 deletions
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6
libavutil/cpu.c
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@ -291,6 +291,12 @@ int av_cpu_count(void)
DWORD_PTR proc_aff, sys_aff;
if (GetProcessAffinityMask(GetCurrentProcess(), &proc_aff, &sys_aff))
nb_cpus = av_popcount64(proc_aff);
#elif HAVE_SYSCTL && defined(HW_NCPUONLINE)
int mib[2] = { CTL_HW, HW_NCPUONLINE };
size_t len = sizeof(nb_cpus);
if (sysctl(mib, 2, &nb_cpus, &len, NULL, 0) == -1)
nb_cpus = 0;
#elif HAVE_SYSCTL && defined(HW_NCPU)
int mib[2] = { CTL_HW, HW_NCPU };
size_t len = sizeof(nb_cpus);